18 Utility Patents
#7 in Oita
#42,145 in Japan
#195,783 in the World
Forward Citations = 155
Company Filing History:

Showa Highpolymer Co., Ltd.
Japan Polyolefins Co., Ltd.
4. 1 out of 5
Showa Denko Plastic Products Co., Ltd.
5. 1 out of 405
Showa Denko Kabushiki Kaisha
where one patent can have more than one assignee
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