21 Utility and 2 Design Patents
#132 in Kanagawa-ken
#34,186 in Japan
#158,333 in the World
rank by utility patentsForward Citations = 200
Company Filing History:
Nhk Spring Co., Ltd.
Toshiba Lighting & Technology Corporation

4. 1 out of 15
Jidosha Denki Kogyo Co., Ltd.
where one patent can have more than one assignee
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