Inventor

YAMAOKA FUMIYUKI

JP55 patents

⚠️ This page may combine multiple inventors who share the name “YAMAOKA FUMIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

YAMAOKA FUMIYUKI

ATSUGI UNISIA CORP

Vibration mode responsive variable damping force shock absorber with feature of automatic selection of damping mode depending upon vibration mode of vehicular body

Variable damping-characteristics shock absorber with adjustable orifice construction variable of fluid flow restriction depending upon fluid pressure difference

Electromagnetic suspension device

Variable damping force shock absorber with stroke dependent variation characteristics of damping force

Vibration mode responsive variable damping force shock absorber with feature of automatic selection of damping mode depending upon vibration mode of vehicular body

Hydraulic shock absorber with piston seal structure for enhancement of initial response

Hydraulic shock absorber with pre-loaded valve for linear variation characteristics of damping force

Automotive suspension control system utilizing variable damping force shock absorber

Apparatus for controlling damping coefficient for vehicular shock absorber

Electromagnetic strut assembly

Vehicle hydraulic shock absorber having low friction seal

Apparatus for controlling damping coefficient of vehicular shock absorber

Automotive suspension system with enhanced response characteristics

Reverse installation type variable damping force shock absorber variable of damping characteristics both for bounding and rebounding stroke motions

Variable damping force shock absorber with feature of independent adjustment of damping characteristics for bounding a rebounding strokes

Variable damping characteristics suspension system for automotive suspension system with variable damping characteristics shock absorber with input vibration frequency dependent variation characteristics

Semi-active suspension control system with reduced switching frequency in hard and soft suspension characteristics

Variable damping characteristics shock absorber

Mounting structure for load sensor in automotive suspension system

Automotive suspension system for anti-rolling control

Variable damping force shock absorber

Load sensor

Suspension strut construction

Sensor arrangement of vibration isolation apparatus

ATSUGI MOTOR PARTS CO LTD

Automotive suspension system and shock absorber therefor

Automotive suspension system with variable suspension characteristics and variable damping force shock absorber therefor

Hydraulic shock absorber

Shock absorber

Shock absorber with variable damping characteristics depending upon stroke speed

Shock absorber

Damping characteristics variable hydraulic shock absorber for automotive suspension system with vehicular attitude suppressing capability

HITACHI AUTOMOTIVE SYSTEMS LTD

Shock absorber

Shock absorber-equipped vehicle

Damping force control type shock absorber

Suspension device

Shock absorber

UNISIA JECS CORP

System for controlling damping force characteristic of shock absorber of vehicle

Hydraulic damper

Rotary damper

System for controlling damping force characteristic of shock absorber of vehicle

YAMASHITA MIKIO

Damping force control type shock absorber

Shock absorber

MAEDA ATSUSHI

Shock absorber

Shock absorber

HITACHI LTD

Electric power steering system

HITACHI UNISIA AUTOMOTIVE LTD

Vehicular suspension rigidity controlling apparatus and method with roll-over preventive feature

KATAYAMA YOHEI

Shock absorber

ATSUGIA UNISIA CORP

Variable damping force shock absorber with feature of linear and wide range damping force variation depending upon piston stroke speed

ATSUGI MOTOR PARTS LIMITED

Variable damping characteristics shock absorber with feature of generation of piston stroke direction indicative signal

HITACHI AUTOMOTOVE SYSTEMS LTD

Shock absorber