MA

Mitsuru Arai

KO Komatsu: 9 patents #174 of 2,087Top 9%
KS Komatsu Shisakusho: 6 patents #54 of 885Top 7%
HC Hitachi Ulsi Systems Co.: 3 patents #305 of 867Top 40%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
OC Oki Electric Industry Co.: 2 patents #947 of 2,807Top 35%
LC Lapis Technology Co.: 1 patents #13 of 50Top 30%
OC Oki Semiconductor Co.: 1 patents #202 of 526Top 40%
Overall (All Time): #188,865 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
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