5 Utility Patents
#28,980 in Tokyo
#162,438 in Japan
#826,260 in the World
Forward Citations = 5
Company Filing History:

Tokyo Ohka Kogyo Co., Ltd.
3dom Inc.
where one patent can have more than one assignee
Get your Inventor Badge Today
#28,980 in Tokyo
#162,438 in Japan
#826,260 in the World
Company Filing History:

Get your Inventor Badge Today