63 Utility and 2 Design Patents
#1,094 in Tokyo
#4,714 in Japan
#24,358 in the World
rank by utility patentsForward Citations = 6,181
Company Filing History:



4. 3 out of 933
Asahi Kasei Kabushiki Kaisha
5. 2 out of 90

where one patent can have more than one assignee
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