6 Utility Patents
#23,643 in Tokyo
#133,873 in Japan
#647,621 in the World
Forward Citations = 47
Company Filing History:
Asahi Seimitsu Kabushiki Kaisha
Asahi Kogaku Kogyo Kabushiki Kaisha
4. 1 out of 6
Pentax Precision Co., Ltd.
where one patent can have more than one assignee
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