37 Utility Patents
#80 in Ibaraki
#13,637 in Japan
#64,673 in the World
Forward Citations = 186
Company Filing History:
Hitachi Koki Co., Ltd.

Other
4. 5 out of 129
Ricoh Printing Systems, Ltd.
5. 5 out of 28,448

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