61 Utility Patents
#38 in Hitachinaka
#5,080 in Japan
#26,011 in the World
Forward Citations = 463
Company Filing History:

Ricoh Printing Systems, Ltd.
Hitachi Koki Co., Ltd.
4. 9 out of 47
Hitachi Printing Solutions, Ltd.
5. 4 out of 60
Hitachi Seiko, Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today