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Okano Valve Manufacturing Co., Ltd.

岡野バルブ製造株式会社OKANO VALVE MFG. CO. LTD.Alias
Ticker
Listed market
TYO
Country
Japan
Employees (consolidated)
324
Related companies
25
§01

Basic information

BASIC
Head office
1-14 Nakacho, Moji-ku, Kitakyushu City, Fukuoka Prefecture, 800-8601, Japan
Chief executive
Takeshi Okano
Capital
1,286,250,000  (12 100 million)
Employees (non-consolidated)
179 people
Employees (consolidated)
324 people
Start date
1936-02-21
End date
§02

Websites

1 DOMAINS
§03

Business

11
Contract manufacturing of other industrial productsVarious construction works at industrial plantsContract research and developmentImplementation and support of digital transformationImplementation and support of industrial and regional promotionDevelopment, manufacturing, and maintenance of high-temperature, high-pressure valves for power generationValve manufacturingMaintenance servicesIoM businessVQ businessERD business
§04

Related companies

25 COMPANIES
Company name Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder
OKANO PARTNERS INDUSTRIAL-X
Group Alliance
OKANO PARTNERS QUANDO
Group Alliance
Okano Craft Co., Ltd.
Group Subsidiary
CNC Corporation
Group Alliance
COTEN INC
Group Alliance
税理士法人TAパートナーズ
Group Supplier
Linnas Design
Group Alliance
Senbunnoichi
Group Alliance
Startup Lab Lagoon koza
Group Alliance
フォーシーズ株式会社
Group Alliance
Alt-Boost Inc.
Group Alliance
OKANO PARTNERS RYUJI TOKIWAGI
Group
Tokyo Electric Power Company Holdings, Inc.
Customer
LoLLL Corporation
Alliance
S-TOKYO
Alliance
TVQ KYUSHU BROADCASTING CO.,LTD.
Alliance
X-BORDER
Alliance
Panasonic Holdings Corporation
Alliance
Liberaware Inc.
Alliance
Schoo Inc.
Alliance
QUANDO
Alliance
Mikou Communications Co., Ltd.
Shareholder
OKANO TRADING CO.,LTD.
Shareholder
Kitakyushu Bank
Shareholder
The Bank of Fukuoka, Ltd.
Shareholder
Names without a link are companies not yet registered in OpenBizGraph
§05

Network

NETWORK
Drag to move · click to open
§06

History

21 EVENTS

November 3, 1926 (Taisho 15)Sources

Founded the company.Sources

February 21, 1936 (Showa 11)Sources

Established the company.Sources

After joining in 1996, engaged in improving productivity and site improvement across various manufacturing processes, becoming a professional in manufacturing across a wide range.Sources

Joined Okano Valve in 2006, progressing through design, power plant sites, factory sites, production technology, production management, sales, and management departments.Sources

Since 2012, engaged in personnel-related duties mainly in the accounting and HR departments as a manager, contributing to system reforms.Sources

The previous JIS mark system had been in operation for over 50 years since the enactment of the Industrial Standardization Act in Showa 24, but this time the Industrial Standardization Act was amended (effective October 1, Heisei 17).Sources

In 2017, transferred again to the manufacturing division, engaged in managing the subsidiary Okano Craft, which oversees the production technology department and manufacturing site.Sources

In 2017, transferred back to the manufacturing department, overseeing production technology and managing the subsidiary Okano Craft responsible for manufacturing sites.Sources

Appointed as President in 2020, serving to the present.Sources

Joined Okano Valve Manufacturing in 2021.Sources

Participated in Okano Valve from 2021, and from 2022, engaged in new business development for X-BORDER and VQ, established the Corporate Planning Office in 2024, and is working on creating businesses that will become new social infrastructure in the next era.Sources

Participated in Okano Valve Manufacturing in 2021.Sources

Participated in Okano Valve Manufacturing in 2021.Sources

From 2022, led Okano's digital transformation while actively engaging as a strategist in overall management and employee mindset.Sources

Appointed as director in 2022.Sources

From 2022, engaged in new business development for X-BORDER and VQ.Sources

Appointed as Director in 2022, overseeing manufacturing and human resources, and promoting reforms across the manufacturing department and organizational development company-wide to realize aSources

From 2022, leading DX at OKANO and actively involved in overall management and employee mindset as a strategist.Sources

Established the Corporate Planning Office in 2024, working on creating businesses that will become new social infrastructure in the next era.Sources

§07

News

25 ARTICLES

Okano Valve Manufacturing Selected as Best101 in Press Release Award 2026Sources

Okano Valve Manufacturing Co., Ltd. was selected and honored as Best101 out of 4,236 entries in the Press Release Award 2026. The award ceremony was held as part of an event organized by PRTIMES to promote and develop the culture of press release dissemination.

Okano Valve Manufacturing Reports Team Support Results in the Second Half of ROXSources

Okano Valve Manufacturing sponsored the robot contest "ROX" held in Hiroshima in September as a team partner, and in the second half reported on the actual competition scenes of the teams from Kyushu Institute of Technology and Kumamoto Technical High School that they supported. Both teams engaged in relentless trial and error day and night, delivering a heated battle.

Okano Valve Featured in Nikkei Veritas on Valve Business Trends and InterviewSources

In the series "Energy Exploration 9000 km" published by Nikkei Veritas, a specialized investment information media of the Nikkei Newspaper Group, Okano Valve Manufacturing Co., Ltd. showcased the latest developments in its valve business and included an interview with its President and CEO, Takuji Okano. The series highlights trends among energy-related businesses nationwide, and Okano Valve discusses future prospects for power generation infrastructure and the record profits driven by special demand.

Conducted PoC of Signpost Inspection with JR KyushuSources

The VQ business of Okano Valve Manufacturing conducted a proof‑of‑concept (PoC) of signpost inspection using thermography in collaboration with JR Kyushu. Leveraging knowledge of nondestructive testing gained at power plants, we applied it to solve challenges in railway infrastructure, and aim to reduce labor in signpost inspection through further demonstrations and development of evaluation criteria.

Official Launch of IoM ProcurementSources

Okano Valve Manufacturing officially launched the IoM Procurement system for the manufacturing industry on October 16, 2026. This system enables procurement tasks from quotation to order to inspection to be completed in a single, seamless process, and it is the first service jointly launched with Altaboo. After the alpha version was released in June, we began actual operation after incorporating feedback from approximately 100 companies and monitoring firms. Additionally, we are recruiting early implementation partners to refine the procurement system from the ground up.

President Okano and colleagues speak at conference on business succession and new venturesSources

On October 9, Representative Director and President Takeji Okano and Director Yuta Kikuchi spoke at a conference held in Fukuoka City. Okano took part in a talk session on business succession and M&A, while Kikuchi discussed the company’s new businesses and initiatives related to human resources.

President Takeharu Okano Appears on YouTube ProgramSources

Takeharu Okano, President and Representative Director of Okano Valve Mfg. Co., Ltd., appeared on COW Television's YouTube program Shacho-shitsu 101. He discussed his management philosophy, the situation following the Great East Japan Earthquake, and his outlook for the future. The video was released in three parts.

Okano Valve Mfg. Sponsors ROX Robot Contest for Third Consecutive YearSources

Okano Valve Mfg. is again participating as a team partner in the ROX robot contest, supporting students from Kyushu Institute of Technology and Kumamoto National College of Technology. Companies and students collaborate and compete with their technologies and ideas. Students are working hard in preparation for this year's contest, which focuses on rescue robots.

Okano Valve Sponsors ROX 2026Sources

Okano Valve Mfg. Co., Ltd. sponsored the robot competition ROX 2026, held on September 4 and 5, 2026. The entertainment-focused competition brings students and companies together and uses music and video. The company supported students from Kyushu Institute of Technology and Kumamoto National College of Technology for the second year in a row.

President Takeharu Okano Discusses Organizational Reform on YouTubeSources

Takeharu Okano, president of Okano Valve Mfg. Co., Ltd., appeared on the YouTube channel of LoLLL Co., Ltd. He discusses the background to the company’s organizational reform, digital transformation, and new business initiatives. The video is split into Part 1 and Part 2 and can be viewed via the links.

§08

Public records

GOV
National Tax Agency basic information4290801005157
Source: National Tax Agency Corporate Number Publication Site, basic three itemsSources
Trade name
岡野バルブ製造株式会社
Trade name (kana)
オカノバルブセイゾウ
Name in English
Corporation type
301
Address
〒800-0039 福岡県北九州市門司区中町1番14号
Postal code
8000039
Prefecture code
40
City code
101
Address outside Japan
Prefecture in English
City in English
Address outside Japan in English
Corporate number assignment date
2015-10-05
Update date
2019-03-18
Change date
2015-10-05
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
Latest record
1
Excluded from search
0
Processing type
01
Correction type
1
Trade name image ID
Address image ID
Sequence number
5248448
METI gBizINFO4290801005157
Source: gBizINFO (Ministry of Economy, Trade and Industry)Sources
Corporate number
4290801005157
Trade name
岡野バルブ製造株式会社
Trade name (kana)
オカノバルブセイゾウ
Trade name (alphabet)
Registry closure date
Reason for registry closure
Registered address
福岡県北九州市門司区中町1番14号
Postal code
8000039
Prefecture
福岡県
Prefecture code
40
City or district
北九州市門司区
City code
101
Street address
中町1番14号
Organisation type
301
Processing type
01
Correction type
1
Status
Representative
代表取締役社長  岡野 武治
Capital
1286000000
Employees
237
Employees (male)
215
Employees (female)
27
Business summary
発電用高温高圧バルブの開発・製造・保守
Website URL
Year founded
Business category
E:製造業
Date established
1936-02-21
Unified government qualification - grade
B|A|A|
Unified government qualification - business items
104|110|112|121|129|204|210|212|221|229|312|315
Update date
2019-03-18
Key information
4290801005157
§09

Sources & updates

SOURCES
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