10 Utility Patents
#1,188 in Shizuoka
#85,385 in Japan
#405,707 in the World
Forward Citations = 33
Company Filing History:

Marubun Corporation

4. 8 out of 746
Toshiba Kikai Kabushiki Kaisha
5. 7 out of 1,221
Tokyo Ohka Kogyo Co., Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today