8 Utility Patents
#19,541 in Tokyo
#106,668 in Japan
#514,770 in the World
Forward Citations = 48
Company Filing History:
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
Ukima Colour & Chemicals Mfg. Co., Ltd.
Other
4. 1 out of 407

5. 1 out of 4
Seiken Co., Ltd.
where one patent can have more than one assignee
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