23 Utility Patents
#136 in Yokkaichi
#29,888 in Japan
#138,545 in the World
Forward Citations = 514
Company Filing History:
Mitsubishi Petrochemical Company Limited
Toshiba Battery Co., Ltd.

4. 1 out of 28,512

5. 1 out of 2
Mistubishi Petrochemical Co., Ltd.
where one patent can have more than one assignee
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