10 Utility Patents
#89 in Zama
#85,573 in Japan
#407,520 in the World
Forward Citations = 140
Company Filing History:

Ohi Seisakusho Co., Ltd.
Kokusan Kinzoku Kogyo Kabushiki Kaisha
4. 1 out of 5
Johnan Seisakusho Co., Ltd.
5. 1 out of 1
Kinzoku Kogyo Kabushiki Kaisha
where one patent can have more than one assignee
Get your Inventor Badge Today