157 Utility and 1 Design Patents
#97 in Tokyo
#468 in Japan
#3,591 in the World
rank by utility patentsForward Citations = 962
Company Filing History:
Asahi Kogaku Kogyo Kabushiki Kaisha


4. 12 out of 58,116

5. 9 out of 186
Sony Chemicals Corporation
where one patent can have more than one assignee
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