28 Utility and 1 Design Patents
#4,652 in Tokyo
#22,120 in Japan
#103,362 in the World
rank by utility patentsForward Citations = 152
Company Filing History:

Hitachi Koki Co., Ltd.
Ricoh Printing Systems, Ltd.
4. 1 out of 47
Hitachi Printing Solutions, Ltd.
5. 1 out of 2,002

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