14 Utility and 1 Design Patents
#51 in Matsudo
#58,166 in Japan
#270,802 in the World
rank by utility patentsForward Citations = 94
Company Filing History:
Hitachi Powdered Metals Co., Ltd.

Hitachi Industrial Equipment Systems Co., Ltd.
4. 3 out of 151
Japan Servo Co.,ltd.
5. 1 out of 832,575 patents
Other
where one patent can have more than one assignee
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