7 Utility and 3 Design Patents
#21,587 in Tokyo
#119,543 in Japan
#576,745 in the World
rank by utility patentsForward Citations = 36
Company Filing History:
Sumitomo Forestry Co., Ltd.


4. 1 out of 5
Kanai Co., Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today