25 Utility Patents
#89 in Utsunomiya
#26,383 in Japan
#122,407 in the World
Forward Citations = 127
Company Filing History:

Kumiai Chemical Industry Co., Ltd.
Ihara Chemical Industry Co., Ltd.
4. 3 out of 546
Mitsubishi Petrochemical Company Limited
5. 2 out of 1,865

where one patent can have more than one assignee
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