Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12254237 | Output driver and display device | — | 2025-03-18 |
| 10598146 | Hydraulic pump-motor | Takeo Iida, Seiichi Hasegawa | 2020-03-24 |
| 8248162 | Differential amplifier | — | 2012-08-21 |
| 8047120 | Hydraulic piston pump with a balance valve | Shigeru Shinohara | 2011-11-01 |
| 8044488 | Semiconductor device having particular impurity density characteristics | Shinichiro Wada, Hideyuki Hosoe | 2011-10-25 |
| 8018006 | Semiconductor device having an enlarged space area surrounding an isolation trench for reducing thermal resistance and improving heat dissipation | Shinichiro Wada, Hideaki Nonami | 2011-09-13 |
| 7696582 | Semiconductor device | Shinichiro Wada, Hideaki Nonami | 2010-04-13 |
| 7271452 | Analog switch | — | 2007-09-18 |
| 7157946 | Chopper comparator circuit | Mamoru Kondo | 2007-01-02 |
| 6152013 | Hydraulically actuated breaker with lost-motion prevention device | Shigeru Shinohara, Takayuki Muto, Naoki Ishizaki | 2000-11-28 |
| 6068013 | Counter balance valve | Seita Hayashi, Sadao Nunotani, Hideki Kado | 2000-05-30 |
| 6056070 | Hydraulic ramming apparatus | Shigeru Shinohara, Takayuki Muto | 2000-05-02 |
| 6029689 | Counter balance valve | Hiroshi Endo | 2000-02-29 |
| 6027179 | Emergency stop apparatus for hydraulic speed change gear | — | 2000-02-22 |
| 5884984 | Hydraulic braking apparatus having two safety valves | Seita Hayashi, Hideki Kado, Sadao Nunotani, Mitsuru Oshiro | 1999-03-23 |
| 5826488 | Swash plate angle changing apparatus for a piston pump/motor of swash plate type | Hideki Kado, Sadao Nunotani, Koichi Morita, Mitsuru Oshiro, Seita Hayashi | 1998-10-27 |
| 5184536 | Swash plate type piston pump/motor | — | 1993-02-09 |
| 4951551 | Variable displacement hydraulic motor | Yoshikazu Nagahara | 1990-08-28 |
| 4712377 | Control apparatus for hydraulic motor | Toshiyuki Yoshida | 1987-12-15 |
| 4628690 | Fluid circuit for operating a bidirectional hydraulic motor with a reduced shock | Hideyori Sato, Shoichiro Inatomi | 1986-12-16 |
| 4520625 | Hydraulic brake valve system | Hideyori Sato, Nobuaki Inaba, Michio Onzou | 1985-06-04 |
| 4449366 | Hydraulic control system for off-highway self-propelled work machines | Hideyori Sato | 1984-05-22 |