75 Utility Patents
#17 in Hitachinaka
#3,140 in Japan
#17,268 in the World
Forward Citations = 344
Company Filing History:

Hitachi Koki Co., Ltd.

4. 12 out of 129
Ricoh Printing Systems, Ltd.
5. 8 out of 47
Hitachi Printing Solutions, Ltd.
where one patent can have more than one assignee
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