RM

Ryoichi Maruyama

KS Komatsu Shisakusho: 19 patents #2 of 885Top 1%
KO Komatsu: 4 patents #453 of 2,087Top 25%
Overall (All Time): #186,776 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
6246944 Apparatus for controlling brake of vehicle 2001-06-12
RE36151 Turning control system for use in a track-laying vehicle Tsutomu Ishino, Hideki Yamada 1999-03-16
5684694 System for controlling a hydrostatic-mechanical transmission when an oil pressure exceeds a relief pressure Tsutomu Ishino, Yuichi Nagahiro 1997-11-04
5671137 Response control system for hydrostatic-mechanical transmissions Tsutomu Ishino, Shingo Ota 1997-09-23
5622050 System for controlling a hydrostatic-mechanical transmission at the time of vehicle acceleration or deceleration Tsutomu Ishino, Takashi Noda 1997-04-22
5611405 Turning speed control system for use in a track-laying vehicle Tsutomu Ishino, Hideki Yamada 1997-03-18
5540051 Control mechanism for hydrostatic-mechanical power transmission system Hideki Yamada, Tsutomu Ishino 1996-07-30
5535840 Steering system for use in a track-laying vehicle Tsutomu Ishino, Hideki Yamada 1996-07-16
5531304 Creep preventing control system for hydrostatic-mechanical transmissions Tsutomu Ishino, Hiroshi Nakagami, Hisao Asada 1996-07-02
5529546 Forward/reverse drive and stop control system for hydrostatic -mechanical transmissions Tsutomu Ishino, Akinobu Takada, Keita Muto 1996-06-25
5524436 Overrun protecting control system for hydrostatic-mechanical transmissions Tsutomu Ishino, Mamoru Hatano 1996-06-11
5522775 Speed change gear control system for hydrostatic-mechanical transmissions Tsutomu Ishino 1996-06-04
5477454 Turning system for use in a track-laying vehicle Tsutomu Ishino, Hideki Yamada 1995-12-19
5477455 Turning control system for use in a track-laying vehicle Tsutomu Ishino, Hideki Yamada 1995-12-19
5473541 Steering control system for use in a track-laying vehicle Tsutomu Ishino, Hideki Yamada 1995-12-05
5466197 Mechanical-hydraulic transmission Hiroyuki Mitsuya, Hideki Yamada, Tsutomu Ishino 1995-11-14
5406793 Transmission and control mechanism for hydrostatic-mechanical power transmission system Hideki Yamada, Tsutomu Ishino 1995-04-18
5113723 Clutch changeover circuit for non-stage transmission Tsutomu Ishino 1992-05-19
5069087 Clutch changeover circuit for non-stage transmission Tsutomu Ishino 1991-12-03
4663987 Speed-change/steering system for crawler type vehicles Teruyoshi Kikuchi 1987-05-12
4519274 Automatic speed range change-over system for a hydro-mechanical transmission Takayoshi Nishijima, Hideaki Aida, Hideyuki Konishi, Keiji Hatayama 1985-05-28
4519275 Turning control system for a hydro-mechanical transmission Takayoshi Nishijima, Hideaki Aida, Hideyuki Konishi, Keiji Hatayama 1985-05-28
4497223 Engine speed control system for a hydro-mechanical transmission Takayoshi Nishijima, Hideaki Aida, Hideyuke Konishi, Keiji Hatayama 1985-02-05