9 Utility Patents
#72 in Ibaraki-ken
#95,657 in Japan
#459,014 in the World
Forward Citations = 209
Company Filing History:

Hitachi Koki Co., Ltd.

4. 1 out of 832,812 patents
Other
5. 1 out of 3
Hitachi Koki
where one patent can have more than one assignee
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