31 Utility Patents
#1,348 in Yokohama
#17,991 in Japan
#82,595 in the World
Forward Citations = 413
Company Filing History:
Hitachi, Ltd.
Hitachi Chemical Company, Ltd.
The Japan Carlit Co., Ltd.
4. 1 out of 1
Kanto Koatsu
where one patent can have more than one assignee
Get your Inventor Badge Today