8 Utility Patents
#1,215 in Chiba
#105,602 in Japan
#506,871 in the World
Forward Citations = 73
Company Filing History:

Showa Denko Kabushiki Kaisha
Other
4. 1 out of 296

5. 1 out of 66
Showa Highpolymer Co., Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today