142 Utility Patents
#128 in Tokyo
#582 in Japan
#4,288 in the World
Forward Citations = 1,117
Company Filing History:

Asahi Kogaku Kogyo Kabushiki Kaisha



4. 4 out of 470
Hitachi Industrial Equipment Systems Co., Ltd.
5. 2 out of 621
Mitsubishi Paper Mills Limited
where one patent can have more than one assignee
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