20 Utility Patents
#7,294 in Tokyo
#36,644 in Japan
#169,595 in the World
Forward Citations = 48
Company Filing History:
Hitachi Chemical Company, Ltd.
Hitachi Powdered Metals Co., Ltd.

4. 2 out of 139

5. 1 out of 322
Panasonic Holdings Corporation
where one patent can have more than one assignee
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