35 Utility Patents
#113 in Hitachi
#14,812 in Japan
#68,935 in the World
Forward Citations = 268
Company Filing History:

Hitachi Industrial Equipment Systems Co., Ltd.
4. 1 out of 149
Hitachi Powdered Metals Co., Ltd.
5. 1 out of 151
Japan Servo Co.,ltd.
where one patent can have more than one assignee
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