5 Utility Patents
#29,051 in Tokyo
#162,692 in Japan
#828,843 in the World
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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