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| Pescle | ||||||||
| Allen Bradley | ||||||||
| Cambrian Inc | ||||||||
| HMSインダストリアルネットワークス | ||||||||
| Omron | ||||||||
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| TMEIC | ||||||||
| TOPAS electronic AG | ||||||||
| Block Farm | ||||||||
| 三菱電機エンジニアリング(MEE) | ||||||||
| 株式会社RYOSHO U.S.A., INC. | ||||||||
| Japan Laser Corporation | ||||||||
| Asahi Group Japan subsidiary, Asahi Beverage Co., Ltd. | ||||||||
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| CoolAutomation Japan合同会社 | ||||||||
| 広東蘑菇物聯科技有限公司 | ||||||||
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Founded by Riko Trading Co., Ltd. and Daiko Trading Co., Ltd. Capital stock of 195,000 yen each
Founded Rikoshokai Co., Ltd. and Daikoshokai Co., Ltd. Capital was JPY 195,000 each.
Merger of Riko Trading Co., Ltd. and Daiko Trading Co., Ltd., with the trade name Riko Trading Co., Ltd., capital of 15 million yen
Merged Rikoshokai Co., Ltd. and Daikoshokai Co., Ltd. resulting in Rikoshokai Co., Ltd. Capital was JPY 15 million.
Riko Trading Co., Ltd. changed its trade name to Rishiden Trading Co., Ltd. Capital of 30 million yen
Changed the corporate name from Rikoshokai Co., Ltd. to RYODEN Trading Co., Ltd. Capital was JPY 30 million.
Listed on the Second Section of the Tokyo Stock Exchange. Capital of 384 million yen
Listed shares on the Second Section of the Tokyo Stock Exchange. Capital was JPY 384 million.
Start of transferring sales rights of household electrical appliances to regional sales companies ('71 end)
Started transferring sales rights for household appliances to regional sales companies (completed in 1971).
Issued warrant bonds of 30 million dollars
Issued USD 30 million in warrants.
Issued warrant bonds of 55 million dollars
Issued USD 55 million in warrants.
Established subsidiary RYOSHO TECHNO SHINGAPORE PRIVATE LIMITED in Singapore
Established subsidiary RYOSHO TECHNO SINGAPORE PRIVATE LIMITED in Singapore.
Opened subsidiary RYOSHO U.S.A., Inc. ATLANTA BRANCH. Established subsidiary RYOSHO EUROPE GmbH in Germany
Designated as a First Section listing on the Tokyo Stock Exchange. Issued USD 100 million in warrants. Capital was JPY 9,366,590,000.
Established subsidiary RYOSHO U.S.A., Inc. ATLANTA BRANCH.
Increased capital to 10,333,429,000 yen. Established Seoul branch
Increased capital to JPY 10,334,290,000. Established a Seoul Branch.
Increased capital to 10,333,429,000 yen. Established Seoul Branch.
Established subsidiary Rishoh Hong Kong Limited in Hong Kong
Established subsidiary RYOSHO HONK KONG LIMITED in Hong Kong.
Issued unsecured convertible bonds of 8 billion yen
Issued 8 billion yen in unsecured convertible bonds.
50th anniversary of founding
50th anniversary.
Established subsidiary RYOSHO U.S.A., INCORPORATED in the United States
Established subsidiary RYOSHO U.S.A., INCORPORATED in the United States.
Obtained ISO 14001 certification. Established subsidiary Rishoh Electronics (Shanghai) Co., Ltd. in China
Obtained ISO 14001 certification. Established subsidiary RYOSHO ELECTRONICS (SHANGHAI) CO., LTD. in China.
Obtained ISO 14001 certification. Established subsidiary RYOSHO Electronics (Shanghai) Co., Ltd. in China.
Opened Shenzhen office of subsidiary Rishoh Hong Kong Limited
Opened Shenzhen Office at subsidiary RYOSHO HONG KONG LIMITED.
Expanded ISO 14001 certification sites to all domestic subsidiaries
Expanded ISO 14001 certification sites to all business offices in Japan.
Obtained ISO 9001 certification for FA system departments of all branches nationwide. Also obtained ISO 9001 certification for the semiconductor and device departments at headquarters and all branches
Obtained ISO 9001 certification for the FA Systems Division of all executive offices. Obtained ISO 9001 certification for the Semiconductors and Electronic Device Division of the headquarters and all executive offices.
Obtained ISO 9001 certification for FA system departments at all branches nationwide. Obtained ISO 9001 certification for headquarters and semiconductor & device departments at all branches nationwide.
60th anniversary of founding
60th anniversary.
Established Guangzhou Branch at Subsidiary Rishoshokai Electronics (Shanghai) Co., Ltd.
Opened Guangzhou Branch at subsidiary RYOSHO ELECTRONICS (SHANGHAI) CO., LTD. Established subsidiary RYOSHO (THAILAND) COMPANY, LIMITED in Thailand.
Established Guangzhou Branch at subsidiary RYOSHO Electronics (Shanghai) Co., Ltd. and established RYOSHO (THAILAND) COMPANY, LIMITED in Thailand.
Established Dalian Branch at Subsidiary Rishoshokai Electronics (Shanghai) Co., Ltd.
Opened Dalian Branch at subsidiary RYOSHO ELECTRONICS (SHANGHAI) CO., LTD.
Established Chengdu Office at Subsidiary Rishoshokai Electronics (Shanghai) Co., Ltd. Established Taiwan Rishoshokai Co., Ltd. in the Republic of China.
Opened Chengdu Office at subsidiary RYOSHO ELECTRONICS (SHANGHAI) CO., LTD. Established subsidiary Taiwan Ryosho Corporation in the Republic of China.
Established Chengdu Office at subsidiary RYOSHO Electronics (Shanghai) Co., Ltd. and established Taiwan RYOSHO Co., Ltd. in the Republic of China.
Opened RYOSHO U.S.A., Inc. Atlanta Branch. Established RYOSHO EUROPE GmbH in Germany.
Opened ATLANTA BRANCH at subsidiary RYOSHO U.S.A., Inc. Established subsidiary RYOSHO EUROPE Ltd. in Germany.
Established RYOSHO U.S.A., Inc. ATLANTA BRANCH and established RYOSHO EUROPE GmbH in Germany.
Established India Resident Office at Subsidiary RYOSHO TECHNO SINGAPORE PTE.LTD. Discontinued Seoul Branch and established Rishoshokai Korea Co., Ltd. in Seoul.
Opened an Indian Representative Office at subsidiary RYOSHO TECHNO SINGAPORE PTE. LTD. Closed the Seoul Branch and established subsidiary RYOSHO KOREA CO., LTD. in Seoul.
Established India Resident Office at subsidiary RYOSHO TECHNO SINGAPORE PTE.LTD. and abolished Seoul Branch, establishing RYOSHO Korea Corporation in Seoul.
Established Shenzhen Rishoshokai Consulting (Shenzhen) Co., Ltd. Established PT. RYOSHO TECHNO INDONESIA in Jakarta. RYOSHO TECHNO SINGAPORE PTE.LTD. obtained ISO14001 certification.
Established subsidiary RYOSHO ELECTRONICS CONSULTING (SHENZHEN) CO., LTD. in Shenzhen. Established subsidiary PT. RYOSHO TECHNO INDONESIA in Jakarta. ISO 14001 certification obtained by subsidiary RYOSHO TECHNO SINGAPORE PTE. LTD.
Established Shenzhen Office at subsidiary RYOSHO Electronics Consulting (Shenzhen) Co., Ltd., established Jakarta Office at subsidiary PT. RYOSHO TECHNO INDONESIA, and obtained ISO 14001 certification at subsidiary RYOSHO TECHNO SINGAPORE PTE.LTD.
Established Sriracha Branch at RYOSHO (THAILAND) COMPANY, LIMITED. Opened Indianapolis Branch at RYOSHO U.S.A., Inc. Established RYOSHO TECHNO PHILIPPINES Inc. in the Philippines. Established the Representative Office of RYODEN TRADING COMPANY, LIMITED in Ho Chi Minh City, Vietnam.
Opened subsidiary RYOSHO TECHNO PHILIPPINES Inc. in the Philippines. Established THE REPRESENTATIVE OFFICE OF RYODEN TRADING COMPANY, LIMITED IN HO CHI MINH CITY in Vietnam. Opened SRIRACHA BRANCH at subsidiary RYOSHO (THAILAND) COMPANY, LIMITED. Opened INDIANAPOLIS BRANCH at subsidiary RYOSHO U.S.A., Inc.
Established SRIRACHA BRANCH at subsidiary RYOSHO (THAILAND) COMPANY, LIMITED, established INDIANAPOLIS BRANCH at RYOSHO U.S.A., Inc., and established THE REPRESENTATIVE OFFICE OF RYODEN TRADING COMPANY, LIMITED IN HO CHI MINH CITY in Vietnam.
Established RYOSHO TECHNO INDIA PRIVATE LIMITED. Rishoshokai Electronics (Shanghai) Co., Ltd. and Taiwan Rishoshokai Co., Ltd. obtained ISO14001 certification.
Established subsidiary RYOSHO TECHNO INDIA PRIVATE LIMITED. ISO 14001 certification obtained by subsidiaries RYOSHO ELECTRONICS (SHANGHAI) CO., LTD. and Taiwan Ryosho Corporation.
Established RYOSHO TECHNO INDIA PRIVATE LIMITED. Obtained ISO 14001 certification at subsidiary RYOSHO Electronics (Shanghai) Co., Ltd. and Taiwan RYOSHO Co., Ltd.
Established RYOSHO (THAILAND) CO., LTD. joint venture RYOSHO ENGINEERING (THAILAND) CO., LTD. in Thailand. Established RYOSHO MEXICO, S.A. de C.V., a subsidiary of the company and RYOSHO U.S.A. INC. in Mexico. Opened Shenzhen Branch at Rishoshokai Electronics (Shanghai) Co., Ltd.
Established joint venture company RYOSHO ENGINEERING (THAILAND) CO., LTD. of subsidiary RYOSHO (THAILAND) CO., LTD. in Thailand. Established subsidiary RYOSHO MEXICO, S.A. de C.V. in Mexico, as a subsidiary of both our company and subsidiary RYOSHO U.S.A. INC. Opened a Shenzhen Branch at subsidiary RYOSHO ELECTRONICS (SHANGHAI) CO., LTD.
Established the joint venture RYOSHO ENGINEERING (THAILAND) CO., LTD. in Thailand as a subsidiary of RYOSHO (THAILAND) CO., LTD.\nEstablished RYOSHO MEXICO, S.A. de C.V. in Mexico as a subsidiary of our company and RYOSHO U.S.A. INC.\nOpened a Shenzhen branch of subsidiary Rihon Electronics (Shanghai) Co., Ltd.
RYOSHO MEXICO was established in August 2016 as a new global network base of the RYODEN Group. It is located in the city of Querétaro, in the southern part of the Central Highlands region, which has significant expansion of Japanese automakers and related companies.
Dissolved Rishoshokai Consulting (Shenzhen) Co., Ltd.
Dissolved Ryosho Electronic Consulting (Shenzhen) Co., Ltd.
Introduced Executive Officer System.
Introduced Executive Officer system.
Established RYOSHO VIETNAM CO., LTD. in Vietnam.
Established RYOSHO VIETNAM CO., LTD. in Vietnam.
Acquired all shares of Sowa Technical Co., Ltd. (Hiroshima City, Hiroshima Prefecture) and made it a subsidiary. Established joint venture Block Farm LLC.
Acquired all shares of Sohwa Technical Co., Ltd. (Hiroshima City, Hiroshima Prefecture) and made it a subsidiary. Established limited liability company Block Farm Co., Ltd.
Acquired all shares of Suwa Technical Co., Ltd. (Hiroshima City, Hiroshima Prefecture) and made it a subsidiary.\nEstablished joint venture Block Farm LLC.
Transitioned from a 10-branch system to a 3-branch system of East Japan Branch, West Japan Branch, and Central Japan Branch (the previous Tohoku Branch, North Kanto Branch, Kanagawa Branch, Shizuoka Branch, Hiroshima Branch, Shikoku Branch, and Kyushu Branch were renamed Sendai Office, Maebashi Office, Yokohama Office, Shizuoka Office, Hiroshima Office, Takamatsu Office, and Fukuoka Office, respectively).
Transitioned from the previous ten-branch structure to a structure with three executive offices of East Japan, West Japan, and Central Japan (former Tohoku Branch, North Kanto Branch, Kanagawa Branch, Shizuoka Branch, Hiroshima Branch, Shikoku Branch, and Kyushu Branch were renamed to Sendai Business Office, Maebashi Business Office, Yokohama Business Office, Shizuoka Business Office, Hiroshima Business Office, Takamatsu Business Office, and Fukuoka Business Office, respectively).
Transitioned from the former 10-branch system to a 3-branch system comprising East Japan Branch, West Japan Branch, and Central Japan Branch (the former Tohoku Branch, North Kanto Branch, Kanagawa Branch, Shizuoka Branch, Hiroshima Branch, Shikoku Branch, and Kyushu Branch were respectively renamed as Sendai Office, Maebashi Office, Yokohama Office, Shizuoka Office, Hiroshima Office, Takamatsu Office, and Fukuoka Office).
Moved from the First Section to the Prime Market due to the review of the Tokyo Stock Exchange market classification. Established RYOSHO MALAYSIA SDN. BHD. in Malaysia.
Moved from the First Section of the Tokyo Stock Exchange to the Prime Market due to a review of market classifications.
Moved from the First Section to the Prime Market following the Tokyo Stock Exchange's market classification review.\nEstablished subsidiary RYOSHO MALAYSIA SDN. BHD. in Malaysia.
Renamed Rishoden Corporation to RYODEN Corporation.
Changed the company name from Ryoden Trading Corporation to RYODEN Corporation.
RYODEN Co., Ltd. began selling the pest-control trap remote monitoring system "Pescle Lite" in October 2026. The system installs a small camera on the trap, sends images to the cloud via LTE communication, and notifies via email when AI detects changes. This is expected to improve inspection efficiency and pest control quality.
RYODEN Co., Ltd. will exhibit at FOOD Expo 2026 Food Safety Japan, held from November 11-13, 2026, introducing the remote monitoring solution "Pescle" for rodent and pest control. Pescle leverages AI, IoT, and image analysis technologies to provide 24/7 remote monitoring, reducing the burden of patrol and inspection tasks and supporting early detection of foreign object contamination risks. At the venue, you can experience AI×IoT-driven hygiene management DX through detection videos and operational data.
Ryoden Corporation's Pescle will exhibit at the 42nd Japan Pestology Conference in Nagasaki, held at Venex Nagasaki Brick Hall from October 28 to 29, 2026. The booth will showcase solutions that balance quality improvement and labor saving through live demonstrations, including AI × video mouse detection and remote trap monitoring products. Participants will have a valuable opportunity to experience the management interface firsthand.
An article about Pescle from RYODEN Corporation was featured in the second special feature of the July issue of Monthly HACCP. The article explains the current state of pest control and the introduction effects of remote monitoring systems utilizing AI and IoT.
RYODEN Corporation will exhibit at the Hotel & Restaurant Show and FOODEX JAPAN in Kansai held at Intex Osaka from July 22 to 24, 2026, introducing the next-generation remote monitoring system "Pescle".
RYODEN will showcase the remote monitoring solution "Pescle" for pest and rat control, supporting hygiene management and operational efficiency.
RYODEN Corporation will exhibit Pescle solutions and conduct live demonstrations at the forum held in Otsu City, Shiga Prefecture, from February 19 to 20, 2026.
R.Y.O.D.E.N Inc. will be closed from December 27, 2025 to January 4, 2026. Inquiries during the holiday period will be handled from the next business day onward.
RYODEN has invested in the US IoT data platform company Microshare and formed a strategic partnership with an AI-integrated pest control monitoring system, aiming to promote digital transformation.
RYODEN invests in Microshare Inc. and forms a global strategic partnership for AI monitoring systems for pest control, promoting digital transformation in the industry.