Inventor

IWASHITA YOSHIHIRO

JP23 patents

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

IWASHITA YOSHIHIRO

TOYOTA MOTOR CO LTD

Fuel composition supply means for spark ignition engines

Onboard fuel separation apparatus for an automobile

Fuel supply apparatus for an internal combustion engine

Internal combustion engine having variable valve control system and NOx catalyst

Control method and apparatus of engine for driving generator

Variable valve timing control device for an engine

Internal combustion engine having variable valve control system and NOx catalyst

Internal combustion engine and method for controlling valve of internal combustion engine

Solenoid valve device

Electromagnetic drive valve and method for controlling same

Exhaust system of an internal combustion engine

Internal combustion engine cylinder head with port coolant passage independent of and substantially wider than combustion chamber coolant passage

Internal combustion engine cylinder head variable swirl siamese type intake port structure, with auxiliary straight passage, pointing at spark plug, leading from mixture intake to downstream end of straight intake port

Vane in the inlet passage of an internal combustion engine

Internal combustion engine siamese port type intake system construction with internal ridge structure partially separating helical port and bypass passage

Cylinder head with coolant passage passing around outside of cylinder head fixing bolt boss and directing coolant flow toward squish area cooling passage portion

Cylinder head variable swirl siamese type intake port structure including biasing means diverting mixture flow towards diverting means which bypasses straight intake passage control valve

Device for controlling an internal combustion engine with a variable valve timing system

Vane in the inlet passage of an internal combustion engine

EXXONMOBIL RES & ENG CO

Fuel composition supply means for driving cycle conditions in spark ignition engines

Multiple fuel system for internal combustion engines

Heat pipe structure

IWASHITA YOSHIHIRO

Fuel separation method