36 Utility Patents
#100 in Hitachinaka
#14,522 in Japan
#68,463 in the World
Forward Citations = 516
Company Filing History:

Hitachi Chemical Company, Ltd.

4. 2 out of 3,780

5. 2 out of 5,943
Rohm Co., Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today