NI

Nobuhiko Ichiki

HC Hitachi Construction Machinery Co.: 9 patents #142 of 1,234Top 15%
📍 Ibaraki, JP: #1,149 of 6,779 inventorsTop 20%
Overall (All Time): #584,713 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7265304 Joystick for electro-hydraulic control system Mitsuhisa Tougasaki, Kaoru Endo, Hiroyasu Masubuchi 2007-09-04
6327959 Directional control valve device Kinya Takahashi, Yoshizumi Nishimura, Yusaku Nozawa, Mitsuhisa Tougasaki 2001-12-11
6135149 Pressure compensating valves Yusaku Nozawa, Yoshizumi Nishimura, Minoru Aoki, Kinya Takahashi 2000-10-24
5957159 Directional control valve with flow distribution valves Kinya Takahashi, Yoshizumi Nishimura, Yusaku Nozawa, Minoru Aoki 1999-09-28
5921165 Hydraulic control system Kinya Takahashi, Yusaku Nozawa, Wataru OTSU, Hiroshi Matsuzaki 1999-07-13
5485724 Hydraulic drive system Yusaku Nozawa, Wataru Ohtsu, Kazuyuki Ino, Hiroshi Matsuzaki, Kinya Takahashi 1996-01-23
5301920 High-speed solenoid valve apparatus 1994-04-12
4919390 Solenoid operated valve apparatus Ken Ichiryu, Takashi Kanai, Masami Ochiai 1990-04-24
4706932 Fluid control valve apparatus Kunihiko Yoshida, Kenichi Koshi 1987-11-17