4 Utility and 3 Design Patents
#487 in Toyama 939-0643
#190,394 in Japan
rank by utility patentsForward Citations = 56
Company Filing History:



4. 1 out of 3
Shirouma Saiensu Kabushiki Kaisha
5. 1 out of 2
Shirouma Science Co., Ltd.
where one patent can have more than one assignee
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