16 Utility Patents
#2,519 in Osaka
#47,339 in Japan
#215,664 in the World
Forward Citations = 58
Company Filing History:
Yamamoto Chemicals, Inc.
Mitsui Chemicals, Inc.
Other
4. 1 out of 1,511
5. 1 out of 7
Yamamoto Kagaku Gosei Co., Ltd.
where one patent can have more than one assignee
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