19 Utility Patents
#33 in Tenri
#38,238 in Japan
#174,306 in the World
Forward Citations = 148
Company Filing History:

Otsuka Chemical Co., Ltd.

4. 1 out of 836

5. 1 out of 9
Daiken Trade & Industry Co., Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today