19 Utility Patents
#89 in Mobara
#38,144 in Japan
#173,628 in the World
Forward Citations = 145
Company Filing History:
Hitachi, Ltd.

Hitachi Plant Technologies, Ltd.
4. 1 out of 522
Nippon Telegraph and Telephone Public Corporation
5. 1 out of 2
President of Kogyo Gijutsuin
where one patent can have more than one assignee
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