Company Profile
Corporate philosophy
『 Work healthy and honestly 』
〔Healthy〕Employees have to be.
〔Honestly〕We work for the society.
This is the company policy of OHYA SEISAKUJYO, which passed down from the founder.
We are aiming for the manufacturer to be able to think about the exploration of skills and environmental load based on the company policy.
We put a great importance on the making of “workpieces touched by hands” and passing down to the next generations.
All employees work together to build up this company from now on.
Yokohama factory
Hirama factory
Company Profile
＞Company name
OHYA SEISAKUJYO Co., Ltd.
＞Location
Head Office/Hirama Factory
363 Kamihirama, Nakaharaku, Kawasaki, Kanagawa
TEL： 044-522-6247 FAX： 044-522-6248
E-Mail：info@ohya-seisakujyo.com
＞Location
Yokohama Factory
7-22-57-8 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-0061
＞Date of Establishment
February, 1961
＞Capital
10 million yen
＞Representatives
President & CEO Kenji Ohya
＞Executive officer
Chairperson Keisuke Ohya
＞Number of employees
11 people (full-time: 6 people, part-time: 5 people)
＞Business details
Metalworking industry (High pressure hose joint, automobile parts etc.)
＞Main banks
The bank of Yokohama, Kawasaki Shinkin Bank
＞Clients
HIYOSHI KOGYO CO.,LTD., Nikko Electric Industry Co.,Ltd.,
＞Company History
1961: Established Limited company “OHYA SEISAKUJYO” (Founder : Motojiro Ohya)
1966: Started to produce High-pressure hose parts with Friction pressure welding.
1971: Incorporated as OHYA SEISAKUJYO Co.,Ltd.
1974: Keisuke Ohya became the second president.
1982: Increased the capital to 8 million yen
1993: Increased the capital 10 million yen
2014: Kenji Ohya became the third president.
2017: Received subsidy for manufacturing company. Installed manpower saving machines.
2018: Participated Kawasaki Internet of Things (IoT) Lab. Installed the data management system including heat input of welding machine.
2019: Changed to buy electricity from the plant which produces Renewable energy
2020: Acquired the certification of Low carbon technology from Kawasaki city.