4 Utility Patents
#33,921 in Tokyo
#193,377 in Japan
Forward Citations = 19
Company Filing History:

Sankei Giken Kogyo Kabushiki Kaisha
Daiwa Co., Ltd.
4. 1 out of 5
Sankei Giken Kogyo Kabushiki Kaisya
5. 1 out of 4
Daiwa Corporation, Ltd.
where one patent can have more than one assignee
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