Hirofumi Okahara

Person

Fuji-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Abnormal oil pressure reduction determination device for vehicle tr...
- Patent number 7,222,005
- Issue date May 22, 2007
- Jatco Ltd
- Jihoon Kang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Clutch engagement control of automatic transmission
- Patent number 6,960,153
- Issue date Nov 1, 2005
- Jatco LTD
- Tatsuo Ochiai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Prevention of slippage in belt-type continuously variable transmission
- Patent number 6,896,639
- Issue date May 24, 2005
- Jatco LTD
- Jihoon Kang
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Control system and control method for automatic transmission
- Patent number 6,829,528
- Issue date Dec 7, 2004
- Jatco LTD
- Jihoon Kang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Speed change controller for automatic transmission
- Patent number 6,246,940
- Issue date Jun 12, 2001
- Nissan Motor Co., Ltd.
- Tatsuo Ochiai
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Speed change ratio controller for stepless automatic transmission
- Patent number 6,220,985
- Issue date Apr 24, 2001
- Nissan Motor Co., Ltd.
- Hirofumi Okahara
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Control system for continuously variable transmission
- Patent number 6,217,469
- Issue date Apr 17, 2001
- Nissan Motor Co., Ltd.
- Makoto Sawada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Electronic transmission control system with fail-safe system for au...
- Patent number 6,077,187
- Issue date Jun 20, 2000
- Nissan Motor Co. Ltd.
- Akito Suzuki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Control system for continuously variable transmission
- Patent number 6,030,313
- Issue date Feb 29, 2000
- Nissan Motor Co., Ltd.
- Makoto Sawada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Line pressure control system for continuously variable transmission...
- Patent number 6,007,452
- Issue date Dec 28, 1999
- Nissan Motor Co., Ltd.
- Makoto Sawada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Controller and control method for continuously variable transmission
- Patent number 5,871,416
- Issue date Feb 16, 1999
- Nissan Motor Co., Ltd.
- Makoto Sawada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Continuously variable transmission control method and apparatus
- Patent number 5,803,862
- Issue date Sep 8, 1998
- Nissan Motor Co., Ltd.
- Tatsuo Ochiai
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Engine-CVT drivetrain control system
- Patent number 5,697,866
- Issue date Dec 16, 1997
- Nissan Motor Co., Ltd.
- Hirofumi Okahara
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Park lock arrangement for continuously variable transmission
- Patent number 5,649,457
- Issue date Jul 22, 1997
- Nissan Motor Co., Ltd.
- Kiyoshi Kudou
- B60 - VEHICLES IN GENERAL
Information Patent Grant
CVT ratio rate control as a function of throttle release rate
- Patent number 5,607,373
- Issue date Mar 4, 1997
- Nissan Motor Co., Ltd.
- Tatsuo Ochiai
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Change direction planetary gearing for continuously variable transm...
- Patent number 5,480,361
- Issue date Jan 2, 1996
- Nissan Motor Co., Ltd.
- Yoshiyasu Murakami
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pulley device for continuously variable transmission
- Patent number 5,439,419
- Issue date Aug 8, 1995
- Nissan Motor Co., Ltd.
- Masahiko Yamada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Vehicle drivetrain control including CVT
- Patent number 5,435,795
- Issue date Jul 25, 1995
- Nissan Motor Co., Ltd.
- Nobuaki Mochizuki
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Ratio control for continuously variable transmission
- Patent number 5,249,482
- Issue date Oct 5, 1993
- Nissan Motor Co., Ltd.
- Hirofumi Okahara
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Safeguard for shift control for auxiliary gearing of automatic tran...
- Patent number 5,138,907
- Issue date Aug 18, 1992
- Nissan Motor Co., Ltd.
- Hirofumi Okahara
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Shift control to engine braking or reverse drive
- Patent number 5,111,719
- Issue date May 12, 1992
- Nissan Motor Co., Ltd.
- Hirofumi Okahara
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Shift control system for automatic power transmission with feature...
- Patent number 5,094,130
- Issue date Mar 10, 1992
- Jatco Corporation
- Ikuo Hirose
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Automatic transaxle
- Patent number 5,078,662
- Issue date Jan 7, 1992
- Nissan Motor Co., Ltd.
- Hiromi Taguchi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Transient control of shift in auxiliary gearing for quick engine br...
- Patent number 5,033,330
- Issue date Jul 23, 1991
- Nissan Motor Co., Ltd.
- Hirofumi Okahara
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Wire harness arrangement of automatic transmission
- Patent number 5,000,218
- Issue date Mar 19, 1991
- Nissan Motor Co., Ltd.
- Koichi Hayasaki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Transmission control system for the automatic transmission of autom...
- Patent number 4,942,784
- Issue date Jul 24, 1990
- Nissan Motor Company, Limited
- Hirofumi Okahara
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Clutch engagement control of automatic transmission
- Publication number 20040220016
- Publication date Nov 4, 2004
- JATCO Ltd.
- Tatsuo Ochiai
- B60 - VEHICLES IN GENERAL
Information Patent Application
Abnormal oil pressure reduction determination device for vehicle tr...
- Publication number 20040133318
- Publication date Jul 8, 2004
- JATCO Ltd.
- Jihoon Kang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Prevention of slippage in belt-type continuously variable transmission
- Publication number 20040127332
- Publication date Jul 1, 2004
- JATCO Ltd.
- Jihoon Kang
- B60 - VEHICLES IN GENERAL

Hirofumi Okahara

Person

Patents Grantslast 30 patents

Abnormal oil pressure reduction determination device for vehicle tr...

Clutch engagement control of automatic transmission

Prevention of slippage in belt-type continuously variable transmission

Control system and control method for automatic transmission

Speed change controller for automatic transmission

Speed change ratio controller for stepless automatic transmission

Control system for continuously variable transmission

Electronic transmission control system with fail-safe system for au...

Control system for continuously variable transmission

Line pressure control system for continuously variable transmission...

Controller and control method for continuously variable transmission

Continuously variable transmission control method and apparatus

Engine-CVT drivetrain control system

Park lock arrangement for continuously variable transmission

CVT ratio rate control as a function of throttle release rate

Change direction planetary gearing for continuously variable transm...

Pulley device for continuously variable transmission

Vehicle drivetrain control including CVT

Ratio control for continuously variable transmission

Safeguard for shift control for auxiliary gearing of automatic tran...

Shift control to engine braking or reverse drive

Shift control system for automatic power transmission with feature...

Automatic transaxle

Transient control of shift in auxiliary gearing for quick engine br...

Wire harness arrangement of automatic transmission

Transmission control system for the automatic transmission of autom...

Patents Applicationslast 30 patents

Clutch engagement control of automatic transmission

Abnormal oil pressure reduction determination device for vehicle tr...

Prevention of slippage in belt-type continuously variable transmission