33 Utility Patents
#880 in Kawasaki
#16,329 in Japan
#75,306 in the World
Forward Citations = 227
Company Filing History:
Tokyo Ohka Kogyo Co., Ltd.

Sumitomo Chemical Company, Limited
Get your Inventor Badge Today
#880 in Kawasaki
#16,329 in Japan
#75,306 in the World
Company Filing History:

Get your Inventor Badge Today