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Okamoto Corporation

オカモト株式会社OKAMOTO INDUSTRIES, INC.Alias世界長ユニオン株式會社Pre-merger name
Ticker
Listed market
TYO
Country
Japan
Employees (consolidated)
2,593
Related companies
39
§01

Basic information

BASIC
Head office
113-8710 3-27-12 Hongo, Bunkyo-ku, Tokyo, Japan
Chief executive
Kunihiko Okamoto
Capital
13,047,630,000  (130 100 million)
Employees (non-consolidated)
1,134 people
Employees (consolidated)
2,593 people
Start date
1934-01-10
End date
§02

Websites

1 DOMAINS
§03

Business

4
Industrial Products BusinessHousehold Goods BusinessSolar Power Generation BusinessEnvironmental Development
§04

Related companies

39 COMPANIES
Company name Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder
Okamoto Environmental Development Co., Ltd.
Group Customer
APOLLOTEX CO., LTD.
Group
OKAMOTO RUBBER PRODUCTS Co., LTD.
Group
OKAMOTO SANDUSKY Manufacturing L.L.C.
Group
OKAMOTO VIETNAM Co., LTD.
Group
Okamoto Industries, Inc.
Group
SIAM OKAMOTO Co., LTD.
Group
VINA OKAMOTO Co., LTD.
Group
Shu-Tech Okamoto Corporation
Group
Zebra Bicycle Co., Ltd.
Group
Panther Official Online Shop
Group
Marery Union Imperial
Group
Michelin Okamoto Tire Co., Ltd.
Group
International Gomo Industrial Co., Ltd.
Group
Okamoto Riken Rubber Co., Ltd.
Group
Okamoto Trading (Shenzhen) Co., Ltd.
Group
Guangdong Okamoto Hygiene Technology Co., Ltd.
Group
Nihon Riken Rubber Co., Ltd.
Group
Okamoto Sewing Co., Ltd.
Group
Riken Gomu Industry Co., Ltd.
Group
Okamoto Condoms
Group
Okamoto Chemical Products Co., Ltd.
Group Subsidiary
O.M. Inc.
Group
Riken Koran-dam Co., Ltd.
Group Subsidiary
Union Royal Co., Ltd.
Group
Hongo Service Co., Ltd.
Group Customer
Fig Pharmaceutical Co., Ltd.
Group
Kansai Research Rubber Co., Ltd.
Group
イチヂク浣腸
Group Customer
オカモト通商株式会社
Group Customer
Hillson Deck Co., Ltd.
Group Customer
イウゲンオフィシャルオンラインショップ
Group
Sekai Cho Union Co., Ltd.
Group
九州グラビア印刷株式会社
Group Subsidiary
日本ゴム工業株式会社
Group
Funabori Rubber Co., Ltd.
Group Subsidiary
Fuyo Cycle Co., Ltd.
Group
東京薬科大学
Alliance
Tōhoku University
Alliance
Names without a link are companies not yet registered in OpenBizGraph
§05

Network

NETWORK
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§06

History

121 EVENTS

Minoru Okamoto, together with his sister and two brothers, began research on skins made from natural rubber latexSources

Minosuke Okamoto, his older sister, and his younger brother began conducting research on condoms made of natural rubber latexSources

Founding of Japan Rubber Industry Co., Ltd.Sources

Nippon Gum Industries, Ltd. established in Togoshi-cho, Ebara-ku, TokyoSources

Founding of Okamoto Rubber IndustrySources

Okamoto Rubber Plant established in Azuma-machi, Mukojima-ku, TokyoSources

Hirai Factory (Hirai, Edogawa-ku) openedSources

Hirai Plant opened in Hirai, Edogawa-ku, TokyoSources

Okamoto Rubber Industry incorporated as a corporation ("International Rubber Industry Co., Ltd.")Sources

Okamoto Rubber Plant incorporated as Kokusai Gomu Kogyo Kabushiki KaishaSources

Founding of Riken Rubber Industry Co., Ltd.Sources

Riken Gomu Kogyo Kabushiki Kaisha established in Oji-ku, TokyoSources

Establishment of Ashikaga Factory (Ashikaga City, Tochigi Prefecture)Sources

Ashikaga Plant opened in Ashikaga-shi, Tochigi PrefectureSources

Establishment of former Fukushima Factory (Ogawa Town, Iwaki District, Iwaki County)Sources

Former Fukushima Plant opened in Takahagi-korojiri, Ogawa-machi, Iwaki-gunSources

International Rubber Industry Co., Ltd. changed its trade name to "Okamoto Rubber Industry Co., Ltd."Sources

Kokusai Gomu Kogyo Kabushiki Kaisha changed its trade name to Okamoto Rubber Co., Ltd.Sources

Listed on the Tokyo Stock ExchangeSources

Listed on the Tokyo Stock ExchangeSources

Riken Rubber Industry Co., Ltd. changed its trade name to "Riken Gomu Co., Ltd."Sources

Riken Gomu Kogyo Kabushiki Kaisha changed its trade name to Riken Rubber Co., Ltd.Sources

Establishment of Zebra Bicycle Co., Ltd. (Ginza, Chuo Ward)Sources

Zebra-Kenko Bicycles Co., Ltd. established in Ginza, Chuo-ku, TokyoSources

Merger of Riken Gomu Co., Ltd. and Japan Rubber Industry Co., Ltd. to form "Japan Riken Gomu Co., Ltd."Sources

Riken Rubber Co., Ltd. and Nippon Gum Industries, Ltd. merged to become Nippon Riken Rubber Co., Ltd.Sources

Osaka Branch Office opened (Higashiku, Osaka City)Sources

Osaka Sub-branch Office opened in Itoyamachi, Higashi-ku, OsakaSources

Headquarters relocated to Haruki-cho, Bunkyo Ward, Japan Riken Gomu Co., Ltd.Sources

Nippon Riken Rubber Co., Ltd. headquarters relocated to Harukicho, Bunkyo-ku, TokyoSources

Establishment of Kanagawa Factory (Higashihara, Zama City)Sources

Kanagawa Plant opened in Higashihara, Zama-shi, KanagawaSources

Designated as First Section of the Tokyo Stock ExchangeSources

Assigned to the First Section of the Tokyo Stock ExchangeSources

Establishment of a representative office in Hong Kong (British territory)Sources

Representative office opened in British Hong KongSources

Established at Gunma Factory (Ota City Uekino)Sources

Gunma Plant opened in Uekinocho, Ota-shiSources

Established at Ibaraki Factory (Ryugasaki City Itabashi Town)Sources

Ibaraki Plant opened in Itabashimachi, Ryugasaki-shiSources

Established at Fukushima Factory (Taira City Akai)Sources

Fukushima Plant opened in Akai, Taira-shiSources

Completion of Head Office BuildingSources

Completed construction of headquarters buildingSources

Merger of Japan Riken Rubber Co., Ltd. and Okamoto Rubber Industries Co., Ltd. ("Okamoto Riken Rubber Co., Ltd.")Sources

Nippon Riken Rubber Co., Ltd. and Okamoto Rubber Co., Ltd. merged to become Okamoto Riken Rubber Co., Ltd.Sources

Zebra Bicycle Co., Ltd. changes trade name to "Zebra Kenko Bicycle Co., Ltd."Sources

Zebra Bicycles Co., Ltd. changed its trade name to Zebra-Kenko Bicycles Co., Ltd.Sources

Listed on Osaka Securities Exchange First Section MarketSources

Listed in the First Section of the Osaka Securities ExchangeSources

Establishment of U.S. subsidiary (O.M. Inc.)Sources

Established subsidiary O.M. Inc. in USASources

Okamoto Riken Rubber Co., Ltd. acquires Zebra Kenko Bicycle Co., Ltd.Sources

Okamoto Riken Rubber Co., Ltd. absorbed Zebra-Kenko Bicycles Co., Ltd.Sources

Established Okamoto Sewing Co., Ltd.Sources

Made Fuyo Cycle Co., Ltd. a subsidiary ("Zebra Bicycle Co., Ltd.")Sources

50th Anniversary of FoundingSources

50th anniversary of establishmentSources

Established Shizuoka Factory (Yoshida Town, Haibara District)Sources

Opened Shizuoka Plant in Yoshida-cho, Haibara-gunSources

Okamoto Riken Rubber Co., Ltd. changes trade name to "Okamoto Corporation"Sources

Okamoto Riken Rubber Co., Ltd. changed its trade name to Okamoto Industries, Inc.Sources

Established a joint venture with Michelin (Michelin) ("Michelin Okamoto Tire Co., Ltd.")Sources

Teamed with Michelin to establish the joint venture Michelin Okamoto Tire CorporationSources

Established a subsidiary in Thailand (SIAM OKAMOTO Co., Ltd.)Sources

Established subsidiary SIAM OKAMOTO Co., Ltd. in ThailandSources

Established a subsidiary in Thailand (APOLLOTEX CO., LTD.)Sources

Established subsidiary APOLLOTEX Co., Ltd. in ThailandSources

Dissolved joint venture with Michelin and transferred sharesSources

Dissolved business association with Michelin, transferred joint ventureSources

Made Hilsun Deck Co., Ltd. a subsidiarySources

Acquired Hillson-Dec Co., Ltd. as a subsidiarySources

Made Union Royal Co., Ltd. a subsidiarySources

Acquired Union Royal Co., Ltd. as a subsidiarySources

Transferred the laminated film businessSources

Acquired laminate film businessSources

Acquisition of dehumidifier (Water Absorber) businessSources

Acquired dehumidifier ("Mizutori-zosan") businessSources

Establishment of Thai subsidiary (OKAMOTO RUBBER PRODUCTS Co., LTD.)Sources

Established subsidiary OKAMOTO RUBBER PRODUCTS Co., Ltd. in ThailandSources

Establishment of Vietnamese subsidiary (OKAMOTO VIETNAM Co., LTD.)Sources

Established subsidiary OKAMOTO VIETNAM Co., Ltd. in VietnamSources

Made World Long Corporation a subsidiarySources

Acquired Secaicho Co., Ltd. as a subsidiarySources

Acquisition of decorative film business for building materialsSources

Acquired decorative films businessSources

Made Ijiku Pharmaceutical Co., Ltd. a subsidiarySources

Acquired Ichijiku Pharmaceutical Co., Ltd. as a subsidiarySources

Acquisition of laminated film (Aromar Film) businessSources

Acquired laminate film ("allomer film") businessSources

Acquisition of cockroach exterminator (Inpirresu) businessSources

Acquired cockroach insecticide ("INPYRETH") businessSources

Established Joso Logistics Center (Joso City, Ibaraki Prefecture)Sources

Opened Joso Distribution Center in Joso-shi, Ibaraki PrefectureSources

Establishment of Chinese subsidiary (Okamoto Trading (Shenzhen) Co., Ltd.)Sources

Established subsidiary Okamoto Industries (Shenzhen) Co., Ltd. in ChinaSources

Acquisition of dehydration and water absorption sheet (Pichitto) business for foodSources

Acquired dehydrant/absorbent sheet for food products ("Pichitto") business via transferSources

Establishment of Vietnamese subsidiary (VINA OKAMOTO Co., LTD.)Sources

Established subsidiary VINA OKAMOTO Co., Ltd. in VietnamSources

Establishment of U.S. subsidiary (OKAMOTO SANDUSKY Manufacturing L.L.C.)Sources

Established subsidiary OKAMOTO SANDUSKY Manufacturing L.L.C. in USASources

Established Ushiku Logistics Center (Ushiku City, Ibaraki Prefecture)Sources

Opened Ushiku Distribution Center in Ushiku-shi, Ibaraki PrefectureSources

Merged Sekai Chō Co., Ltd. and Union Royal Co., Ltd. (Sekai Chō Union Corporation)Sources

Secaicho Co., Ltd. and Union Royal Co., Ltd. merged to become Secaicho Union CorporationSources

Established Okayama Logistics Center (Nagi Town, Katsuta District, Okayama Prefecture)Sources

Opened Okayama Distribution Center in Nagi-cho, Katsuta-gun, Okayama PrefectureSources

Made Gyokushin Rubber Co., Ltd. a subsidiarySources

Acquired Funabori Rubber Co., Ltd. as a subsidiarySources

Established subsidiary Okamoto Manufacturing(GD)Ltd. in ChinaSources

Okamoto Sewing Co., Ltd. changed its trade name to Shoe Tech Okamoto Co., Ltd.Sources

Commenced business of solar power generation for selling powerSources

80th anniversary of foundingSources

Made Riken Corundum Co., Ltd. a subsidiarySources

Acquired Riken Corundum Co., Ltd. as a subsidiarySources

Established Tsukuba Factory (Ushiku City, Ibaraki Prefecture)Sources

85th anniversary of foundingSources

85th anniversary of establishmentSources

Established Okamoto Environmental Development Co., Ltd.Sources

90th Anniversary of FoundingSources

§07

News

36 ARTICLES

Announcement of Booth Participation in the 15th Italian Cuisine Specialty Exhibition "ACCI Gusto 2026","overview":"Okamoto Co., Ltd. will exhibit at the 2026 ACCI Gusto 2026 Italian Cuisine Specialty Exhibition held on November 16 and 17 at the Hamamatsu-cho Hall of the Tokyo Metropolitan Industrial Trade Center. The exhibition will showcase "Pichit®", suitable for food preparation and processing, and "Red Keeper", suitable for food preservation."}]} <|constrain|><|end|><|start|>assistant<|channel|>commentary<|message|>Need proper JSON. Ensure no trailing commas.<|end|><|start|>assistant<|channel|>final <|constrain|>JSON<|message|>{Sources

Okamoto Co., Ltd. will exhibit at the 2026 ACCI Gusto 2026 Italian Cuisine Specialty Exhibition held on November 16 and 17 at the Hamamatsu-cho Hall of the Tokyo Metropolitan Industrial Trade Center. The exhibition will showcase "Pichit®", suitable for food preparation and processing, and "Red Keeper", suitable for food preservation.

Okamoto Co., Ltd. Notice of Decision Regarding Share RepurchaseSources

Okamoto Co., Ltd. has decided to repurchase up to 1,000,000,000 yen worth of its own shares, up to a maximum of 160,000 shares (0.94% of the total issued shares), in a resolution at its board of directors meeting. The purpose is to enhance shareholder returns and improve capital efficiency. The repurchase period will be from November 13, 2026 to September 30, 2027, and the repurchase will be carried out in accordance with market conditions.

Notice Regarding Interim Dividend from SurplusSources

The Company resolved to pay an interim dividend from surplus with a record date of September 30, 2026, and announced a dividend of ¥65 per share. The total dividend amount is ¥1,025 million, and the effective date is December 1, 2026.

2027 Q2 Consolidated Earnings Forecast vs Actual ResultsSources

On August 7, 2026, we reported a discrepancy between the consolidated earnings forecast and actual results for the second quarter of fiscal year 2027. Revenue slightly exceeded expectations by 0.1%, while operating profit, ordinary profit, and net income increased by 13.6%, 9.2%, and 18.9% respectively. The main causes of the discrepancy were increased demand and price adjustments in the industrial products and consumer goods businesses, a weaker yen, rigorous process and cost control, and mitigation of the rising cost of flame retardants.

Okamoto Industries, Inc. FY2027 Second Quarter Financial ResultsSources

Revenue for the second quarter of FY2027 was ¥58,050 million, exceeding the ¥52,899 million recorded in the same period of the previous year. Operating profit increased by 9.7%, while ordinary income declined to ¥2,503 million. Interim net income attributable to owners of the parent was ¥5,349 million, significantly higher than the ¥3,384 million recorded in the same period of the previous year. Total assets were ¥169,597 million, and the equity ratio was 66.6%, indicating a stable financial position.

OKAMOTO's First Ever! Soft, Thin, and Moisturizing "OKAMOTO THE GOLD" Launch – Achieving a Uniform Thickness of 0.02mm with Natural Rubber Latex CondomsSources

OKAMOTO Co., Ltd. has begun nationwide sales of its new product "OKAMOTO THE GOLD," which achieves a uniform thickness of 0.02mm using natural rubber latex condoms, starting September 14. Breaking the previous 0.03mm benchmark, it maintains softness and flexibility while applying seven times the amount of lubricant with a hyaluronic acid-infused jelly.

Subsidization through acquisition of OKEHO SAS sharesSources

Okamoto Co., Ltd. has decided to acquire shares of the French sales agency OKEHO SAS and make it a subsidiary. By inheriting OKEHO SAS's existing sales network and customer base, we aim to strengthen our sales structure and business operations in Europe and pursue business growth.

Okamoto Establishes Basic Policy to Prevent Customer HarassmentSources

Okamoto Industries, Inc. has established a basic policy addressing customer harassment and says it will work to maintain a workplace that respects the dignity of its employees.

Okamoto Completes Share BuybackSources

Okamoto Industries, Inc. reported the results of its share repurchase under Article 165 of the Companies Act. The purchase authorized by the board on November 7, 2025, has now concluded.

Recall of Certain Condom Products in the French MarketSources

French regulators announced a recall of certain condom products, including some of the company’s products. The recall is limited to products sold through specific distribution channels. Products designed and sold by the company for Japan entered the French market through a third-party channel and lack the CE mark. By contrast, products sold through the company’s designated distribution channels have CE marking and are not subject to this recall.

§08

Public records

GOV
National Tax Agency basic information5010001000002
Source: National Tax Agency Corporate Number Publication Site, basic three itemsSources
Trade name
オカモト株式会社
Trade name (kana)
オカモト
Name in English
Corporation type
301
Address
〒113-0033 東京都文京区本郷3丁目27番12号
Postal code
1130033
Prefecture code
13
City code
105
Address outside Japan
Prefecture in English
City in English
Address outside Japan in English
Corporate number assignment date
2015-10-05
Update date
2023-04-18
Change date
2023-04-06
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
令和5年4月1日東京都文京区本郷三丁目27番12号世界長ユニオン株式會社(2010001039431)を合併
Latest record
1
Excluded from search
0
Processing type
71
Correction type
0
Trade name image ID
Address image ID
Sequence number
1864463
METI gBizINFO5010001000002
Source: gBizINFO (Ministry of Economy, Trade and Industry)Sources
Corporate number
5010001000002
Trade name
オカモト株式会社
Trade name (kana)
オカモト
Trade name (alphabet)
Registry closure date
Reason for registry closure
Registered address
東京都文京区本郷3丁目27番12号
Postal code
1130033
Prefecture
東京都
Prefecture code
13
City or district
文京区
City code
105
Street address
本郷3丁目27番12号
Organisation type
301
Processing type
71
Correction type
0
Status
Representative
代表取締役社長執行役員    岡本  邦彦
Capital
13047000000
Employees
1488
Employees (male)
1202
Employees (female)
404
Business summary
ゴム・プラスチック製品の製造販売
Website URL
http://www.okamoto-inc.co.jp
Year founded
Business category
E:製造業
Date established
1934-01-10
Unified government qualification - grade
|A||
Unified government qualification - business items
202|219|222
Update date
2023-04-18
Key information
5010001000002
§09

Sources & updates

SOURCES
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