71 Utility and 1 Design Patents
#523 in Kanagawa
#3,587 in Japan
#19,335 in the World
rank by utility patentsForward Citations = 235
Company Filing History:

Mitsui Chemicals, Inc.

4. 13 out of 70
Yamamoto Chemicals, Inc.
5. 4 out of 5,100

where one patent can have more than one assignee
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