8 Utility and 3 Design Patents
#635 in Aichi
#107,188 in Japan
#519,349 in the World
rank by utility patentsForward Citations = 63
Company Filing History:
Daiwa Kasei Kogyo Kabushiki Kaisha
Daiwa Kasei Industry Co., Ltd.
Hayashi Telempu Corporation
where one patent can have more than one assignee
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