KN

Koichi Nei

SC Shin-Etsu Polymer Co.: 1 patents #2 of 4Top 50%
Overall (1982): #47,699 of 81,411Top 60%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4314115 Key-board switching unit Ryoichi Sado 1982-02-02