17 Utility Patents
#8,879 in Tokyo
#45,393 in Japan
#211,202 in the World
Forward Citations = 176
Company Filing History:


Ohkawara Kakohki Co., Ltd.
4. 3 out of 21,351

5. 1 out of 53
Mizusawa Industrial Chemicals, Ltd.
where one patent can have more than one assignee
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