8 Utility Patents
#19,731 in Tokyo
#107,031 in Japan
#518,164 in the World
Forward Citations = 91
Company Filing History:

Rikagaku Kenkyusho

4. 1 out of 832,448 patents
Other
5. 1 out of 3
Komatsugawa Chemical Engineering Co., Ltd.
where one patent can have more than one assignee
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