15 Utility Patents
#332 in Hitachinaka
#51,964 in Japan
#238,596 in the World
Forward Citations = 85
Company Filing History:
Hitachi Koki Co., Ltd.
Ricoh Printing Systems, Ltd.
Hitachi Printing Solutions, Ltd.
4. 1 out of 42,325
where one patent can have more than one assignee
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