8 Utility Patents
#640 in Nagano
#107,257 in Japan
#519,767 in the World
Forward Citations = 1
Company Filing History:

Kotobuki Tsushou Co., Ltd.
Kotobuki Holdings Co., Ltd.
4. 1 out of 9
Takagi Co., Ltd.
5. 1 out of 20

where one patent can have more than one assignee
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