25 Utility Patents
#21 in Hitachiota
#26,403 in Japan
#122,716 in the World
Forward Citations = 402
Company Filing History:

Hitachi Koki Co., Ltd.
Hitachi Chemical Company, Ltd.
4. 1 out of 47
Hitachi Printing Solutions, Ltd.
5. 1 out of 223
Toyo Ink Manufacturing Company
where one patent can have more than one assignee
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