13 Utility and 1 Design Patents
#3,311 in Osaka
#63,300 in Japan
#296,118 in the World
rank by utility patentsForward Citations = 44
Company Filing History:



4. 1 out of 78
Sawafuji Electric Co., Ltd.
5. 1 out of 3
Yanmar Power Technology Inc., Ltd.
where one patent can have more than one assignee
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