SK

Seishu Kawashima

HC Hitachi Seiki Co.: 2 patents #5 of 38Top 15%
📍 Abiko, JP: #156 of 277 inventorsTop 60%
Overall (All Time): #2,310,392 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5127140 Numerically-controlled lathe, numerically-controlled device therefor and processing procedure thereby Kazuhiko Oiwa, Takanobu Sato, Akira Kosho, Atsuo Watanabe 1992-07-07
4788636 Interactive device for entering graphic data Hidefumi Shiratori, Hiromitsu Katoh 1988-11-29