168 Utility and 6 Design Patents
#42 in Yokohama
#384 in Japan
#3,092 in the World
rank by utility patentsForward Citations = 1,772
Company Filing History:



4. 31 out of 3,132
Asahi Kogaku Kogyo Kabushiki Kaisha
5. 16 out of 939

where one patent can have more than one assignee
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