3 Utility Patents
#15 in Yokohamashi
#236,990 in Japan
Forward Citations = 23
Company Filing History:

Hirama Rika Kenkyujo Ltd.
Hirama Rika Kenkyujio Ltd.
where one patent can have more than one assignee
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#15 in Yokohamashi
#236,990 in Japan
Company Filing History:

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