RO

Ryota Ohashi

KC Kanzaki Kokyukoki Mfg. Co.: 109 patents #1 of 208Top 1%
TT Tuff Torq: 17 patents #2 of 17Top 15%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
NM Nippon Steel & Sumitomo Metal: 1 patents #786 of 1,491Top 55%
Overall (All Time): #7,393 of 4,157,543Top 1%
138
Patents All Time

Issued Patents All Time

Showing 101–125 of 138 patents

Patent #TitleCo-InventorsDate
6341488 Mechanism of returning to neutral for axle driving apparatus Hiroaki Shimizu, Masaru Iida 2002-01-29
6312354 Integral hydrostatic transaxle apparatus for driving and steering Koji Irikura, Norihiro Ishii, Kenichi Takada, Hirohiko Kawada, Robert Abend +3 more 2001-11-06
6272854 Axle driving apparatus Norihiro Ishii 2001-08-14
6260339 Axle driving unit for a lawn tractor Robert Abend, Norihiro Ishii 2001-07-17
6216560 Axle driving apparatus Kenichi Takada, Hironori Sumomozawa, Hiroaki Shimizu 2001-04-17
6196348 Driving system for a working vehicle Kazuhiko Yano, Toshiro Azuma 2001-03-06
6125630 Axle driving apparatus Robert Abend, Norihiro Ishii 2000-10-03
6109032 Mechanism of returning to neutral for axle driving apparatus Hiroaki Shimizu, Masaru Iida 2000-08-29
6098740 Axle driving unit for a lawn tractor Robert Abend, Norihiro Ishii 2000-08-08
5956952 Charge pump for a hydrostatic transmission Kenichi Takada 1999-09-28
5951425 Axle driving apparatus Masaru Iida 1999-09-14
5862664 Charging pump for a hydrostatic transmission Kenichi Takada 1999-01-26
5850736 Hydrostatic Transmission Shinya Sakakura, Shigenori Sakikawa 1998-12-22
5836159 Mechanism of returning to neutral for axle driving apparatus Hiroaki Shimizu 1998-11-17
5799486 Axle driving apparatus Kenichi Takada, Hironori Sumomozawa, Hiroaki Shimizu 1998-09-01
5713203 Charge pump for a hydrostatic transmission Kenichi Takada 1998-02-03
5709141 Variable displacement hydraulic system Shigenori Sakikawa, Shinya Sakakura 1998-01-20
5701739 Axle drive unit Hideaki Okada, Toshio Nagai 1997-12-30
5588294 Hydrostatic transmission Shinya Sakakura, Shigenori Sakikawa 1996-12-31
5495712 Variable displacement type hydraulic system Kazuhiko Yano, Shigenori Sakikawa 1996-03-05
5479845 Fluid supply assembly for working vehicles Masahisa Kawamura 1996-01-02
RE34833 Vehicle transmission assembly Toshiyuki Hasegawa, Shigenori Sakigawa 1995-01-17
5339631 Axle driving system 1994-08-23
5311740 Hydraulic power transmission Kenji Shiba, Kenichi Takada 1994-05-17
5163293 Axle driving apparatus with variable depth crescent oil passages Toshiro Azuma, Hideaki Okada 1992-11-17