40 Utility and 3 Design Patents
#84 in Hitachinaka
#11,950 in Japan
#56,978 in the World
rank by utility patentsForward Citations = 511
Company Filing History:
Hitachi Koki Co., Ltd.


4. 4 out of 151
Japan Servo Co.,ltd.
5. 3 out of 2,028

where one patent can have more than one assignee
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