22 Utility and 3 Design Patents
#627 in Kyoto 615-0031
#31,893 in Japan
#147,832 in the World
rank by utility patentsForward Citations = 221
Company Filing History:


The University of Shiga Prefecture
4. 1 out of 60
The Ritsumeikan Trust
5. 1 out of 1
Sato Iken Co., Ltd.
where one patent can have more than one assignee
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