11 Utility Patents
#6,412 in Kanagawa
#77,164 in Japan
#364,874 in the World
Forward Citations = 58
Company Filing History:
Tokyo Ohka Kogyo Co., Ltd.
Kanto Gakuin University Surface Engineering Research Institute
Kanto Gakuin School Corporation
4. 2 out of 832,812 patents
Other
5. 2 out of 4
Kanto Kasei Co., Ltd.
where one patent can have more than one assignee
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