27 Utility and 1 Design Patents
#4,893 in Tokyo
#23,319 in Japan
#108,513 in the World
rank by utility patentsForward Citations = 85
Company Filing History:


Ryoden Koki Engineering Co., Ltd.
4. 1 out of 1
Mitsubishi Electric Engineering Kabushiki Kaisha
where one patent can have more than one assignee
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