4 Utility Patents
#3,577 in Saitama 343-0827
#193,377 in Japan
Forward Citations = 4
Company Filing History:
Aoki Science Institute Co., Ltd.
Aisan Industry Co., Ltd.
Kotobuki Kinzoku Kogyo Co., Ltd.
4. 2 out of 546

5. 1 out of 5,207

where one patent can have more than one assignee
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