27 Utility Patents
#4,896 in Tokyo
#23,334 in Japan
#108,644 in the World
Forward Citations = 48
Company Filing History:
Sumitomo Osaka Cement Co., Ltd.
Toru Takada
where one patent can have more than one assignee
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#4,896 in Tokyo
#23,334 in Japan
#108,644 in the World
Company Filing History:
Get your Inventor Badge Today