28 Utility Patents
#4,534 in Tokyo
#21,771 in Japan
#101,195 in the World
Forward Citations = 480
Company Filing History:

Sangi Co., Ltd.

4. 1 out of 1
Kanematsu Koguo Kabushiki Kaisha
5. 1 out of 1
Yugen Kaisha Works
where one patent can have more than one assignee
Get your Inventor Badge Today