24 Utility and 2 Design Patents
#5,721 in Tokyo
#28,079 in Japan
#130,155 in the World
rank by utility patentsForward Citations = 144
Company Filing History:
Mitsubishi Rayon Company, Limited
Mitsubishi Rayon Engineering Co., Ltd.

4. 2 out of 212

5. 2 out of 241

where one patent can have more than one assignee
Get your Inventor Badge Today