7 Utility Patents
#22,287 in Tokyo
#121,772 in Japan
#598,868 in the World
Forward Citations = 42
Company Filing History:
Alps Alpine Co., Ltd.

National Hospital Organization
4. 2 out of 142
Nihon Medi-physics Company, Limited
5. 1 out of 16,458

where one patent can have more than one assignee
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