109 Utility and 1 Design Patents
#291 in Tokyo
#1,231 in Japan
#8,032 in the World
rank by utility patentsForward Citations = 1,940
Company Filing History:


4. 5 out of 215
Kumiai Chemical Industry Co., Ltd.
5. 4 out of 831,952 patents
Other
where one patent can have more than one assignee
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