SK

Shigetoshi Koga

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Shibuya, JP: #63 of 166 inventorsTop 40%
Overall (All Time): #2,143,110 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7329083 Loader and unloader for workpiece Shinichi Nakazato, Noriyuki Kawanishi 2008-02-12
4917538 Tunnel lining process and apparatus therefor Yoshio Hosokawa, Hideo Sueki, Mikio Okano, Ryota FUJIWARA, Yukihisa Inagawa +1 more 1990-04-17