SI

Shuichi Ichiyama

HC Hitachi Construction Machinery Co.: 3 patents #381 of 1,234Top 35%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Tsuchiura, JP: #171 of 519 inventorsTop 35%
Overall (All Time): #1,304,766 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4768339 Hydraulic drive system Yukio Aoyagi, Keiichiro Uno, Tomohiko Yasuda 1988-09-06
4627013 Load weight indicating system for load moving machine Yukio Aoyagi, Tomohiko Yasuda 1986-12-02
4565221 Control valve assembly Kunihiko Yoshida, Eiki Izumi 1986-01-21
4464898 Hydraulic power system Yukio Aoyagi, Yasuhiko Murata 1984-08-14