39 Utility Patents
#76 in Ibaraki
#12,553 in Japan
#59,666 in the World
Forward Citations = 209
Company Filing History:
Hitachi Koki Co., Ltd.

Ricoh Printing Systems, Ltd.
4. 6 out of 28,494

5. 2 out of 13
Hitachi Video and Information Systems, Inc.
where one patent can have more than one assignee
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