Inventor

Yohsuke Akatsu

Inventor

Kanagawa, JP

Overview

1985–1996

Patent span

Performing operations

Primary field (CPC B)

Patents· 37 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B60Gprimary

B60GVehicle suspension arrangements78%

B62DMotor vehicles11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

B60TVehicle brake control systems or parts thereof2%

F04BPositive-displacement machines for liquids2%

G01SRadio direction-finding2%

PatentTitleYear

5,511,817'Vehicle axle suspension system'1996 5,396,423'Automotive active suspension system for regulating vehicular height level during anti-rolling control'1995 5,144,558'Actively controlled automotive suspension system with adjustable rolling-stability and/or pitching-stability'1992 5,114,177'Anti-rolling controlling system for automotive active suspension system with road friction dependent variable control characteristics'1992 5,092,624'Suspension control system with variable steering characteristics'1992 5,089,966'Actively controlled automotive suspension system with improved damping characteristics'1992 5,088,762'Control system for active suspension which distributes load according to lateral acceleration'1992 5,087,068'Anti-rolling control for actively controlled automobile suspension system with enhanced rolling detecting ability'1992 5,085,459'Pressure supply network for active suspension system and control therefor'1992 5,083,811'Fluid supply circuit for active suspension system with variable fluid source discharge rate depending upon magnitude of lateral acceleration'1992 5,062,660'Pressure medium fluid circuit for active suspension system with variable fluid source discharge rate depending upon magnitude of stroke in relative displacement between vehicular body and suspension member'1991 5,056,811'Actively controlled automotive suspension system with mutually independent hydraulic systems having mutually different damping characteristics for improving response characteristics in active suspension control'1991 5,053,965'Attitude change suppressive vehicular height regulation system'1991 5,040,115'System for monitoring vehicle slip angle'1991 5,016,907'Anti-rolling control system for automotive active suspension system'1991 5,013,061'Hydraulic circuit for actively controlled automotive suspension system with fail-safe system'1991 4,982,979'Active suspension system with enhanced response characteristics hydraulic circuit'1991 4,967,360'Actively controlled suspension system with power supply control'1990 4,961,595'Active suspension system for an automotive vehicle with slip angle dependent control for enhanced steering characteristics'1990 4,948,164'Actively controlled suspension system with compensation of delay in phase in control system'1990 4,943,084'Actively controlled suspension system for suppressing attitude change of vehicular body'1990 4,934,732'Actively controller suspension system for automotive vehicle for controlling suspension characteristics with vehicular speed dependent variable damping characteristics'1990 4,909,534'Actively controlled automotive suspension system with variable damping coefficient and/or spring coefficient'1990 4,888,696'Actively controlled automotive suspension system with acceleration and angular velocity dependent anti-pitching and/or anti-rolling feature'1989 4,872,701'Acitively controlled automotive suspension system with adjustable response characteristics in pitching-suppressive control'1989 4,865,348'Actively controlled automotive suspension system with line pressure control under low fluid source pressure'1989 4,865,347'Actively controlled suspension system with anti-roll control'1989 4,848,790'Hydraulic pressure supply system variable of pressure supply rate depending upon driving condition of automotive vehicle'1989 4,801,155'Actively controlled automotive suspension system with adjustable rolling-stability'1989 4,733,883'Suspension control system for automotive vehicle with anti-dive control during deceleration'1988 4,717,173'Suspension control system for automotive vehicle suspension suppressing bouncing'1988 4,702,490'Positively controller automotive suspension system'1987 4,616,848'Automotive suspension control system with vehicle speed-dependent damping characteristics'1986 4,540,059'Vehicle steering system'1985 4,534,435'Compliance steer control arrangement for automotive vehicle suspension'1985 4,527,654'Steering control system for automotive vehicle or the like'1985 4,519,627'Automative compliance steering control supension'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1996Patents assigned to NISSAN MOTOR (37)· patent assignee history

1985–1996Based in Yokohama, JP· patent location history

1989Patents assigned to KAYABA INDUSTRY CO LTD (1)· patent assignee history

1989–1995Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NISSAN MOTOR	37	1985–1996
KAYABA INDUSTRY CO LTD	1	1989

Locations

Location	Patents	Span
Kanagawa, JP	25	1989–1995
Yokohama, JP	12	1985–1996