23 Utility Patents
#6,022 in Tokyo
#29,845 in Japan
#138,262 in the World
Forward Citations = 416
Company Filing History:

Tonen Chemical Corporation
Tonen Corporation
4. 6 out of 9
Osaka Organic Chemical Industry Co., Ltd.
5. 6 out of 6
Miura Dolphins Co., Ltd.
where one patent can have more than one assignee
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