47 Utility Patents
#1,995 in Tokyo
#8,815 in Japan
#43,078 in the World
Forward Citations = 486
Company Filing History:


Tohoku Ricoh Co., Ltd.
4. 3 out of 6
Maftec Co., Ltd
5. 2 out of 4
Patent Technology Development Inc.
where one patent can have more than one assignee
Get your Inventor Badge Today