Inventor

OKAMOTO YOSHIYUKI

US93 patents

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

OKAMOTO YOSHIYUKI

DENSO CORP

Abnormality diagnosis for air-fuel ratio sensor system

Cooling device with water proof structure

Cooling device with waterproof structure

Cooling system of heat emitters

Heat exchanger having plural fluid passages

Gas concentration detector having heater for use in internal combustion engine

Boiling cooling system that exchanges heat between higher-temperature fluid and lower-temperature fluid

Unit for refrigerant cycle device

Cooling device with arrangement of centrifugal fan

Apparatus for detecting deterioration of air-fuel ratio sensor

Exhaust gas purifying system for internal combustion engines

Controller for internal combustion engine

Cooling device boiling and condensing refrigerant

Adsorber

MITSUBISHI HEAVY IND COMPRESSOR CORP

Variable electric motor system and electrically powered device

Variable-speed speed-up mechanism

Starting method for variable speed accelerator and starting control device for variable speed accelerator

Rotational driving force imparting device and electric motor device for the same

Variable electric motor system and electrically powered device thereof

Starting method for variable speed accelerator and starting control device for variable speed accelerator

Control method for variable speed electric motor system and control device for variable speed electric motor system

Variable speed increaser and control method thereof

NIPPON DENSO CO

Malfunction diagnosis device of an internal combustion engine controller

Deterioration monitoring apparatus for an exhaust system of an internal combustion engine

Air-fuel ratio control system for internal combustion engine

Structure of a volumetric measuring apparatus

JAPAN SCIENCE & TECH AGENCY

Method for producing fluorinated 1,3-dioxolane compounds, fluorinated 1, 3-dioxolane compounds, fluorinated polymers of the fluorinated 1,3-dioxolane compounds and optical or electrical materials using the polymers

Method for producing fluorinated compounds and polymers

Fluorinated polymers, method for producing the fluorinated compounds and polymers

SANDEN AUTOMOTIVE CLIMATE SYSTEMS CORP

Air conditioner for vehicle

Vehicular air conditioner

Air conditioner for vehicle

MOLTECH CORP

Electroluminescent device based on organometallic membrane

Redox polymer modified electrode for the electrochemical regeneration of coenzyme

ASS UNIVERSITIES INC

Electrochemical biosensor based on immobilized enzymes and redox polymers

Preparation of redox polymer cathodes for thin film rechargeable batteries

MEMBRANE TECH AND RESEARCH INC

Gas separation membranes based on perfluorinated polymers

Fluid separation processes using membranes based on fluorinated and perfluorinated polymers

MEMBRANE TECH AND RES INC

Gas separation membranes based on perfluorinated polymers

Gas separation membranes based on fluorinated and perfluorinated polymers

OKAMOTO YOSHIYUKI

Fluorinated 1,3-dioxolane compounds, fluorinated polymers of the compounds, and optical or electrical materials comprising the polymers

Method for etching aluminum foil for electrolytic capacitors

AISIN SEIKI

Ignition system for an engine

Ignition device for an engine

HE ZHENJIE

Gas separation membranes based on perfluorinated polymers

UNIV POLYTECHNIC

Preparation of metallic cation conducting polymers based on sterically hindered phenols containing polymeric systems

NIPPON STEEL CORP

Roll grinding apparatus for rolling mills

ZHANG HAO

Gas separation membranes based on fluorinated and perfluorinated polymers

TAKEDA KAZUHIRO

Driving device and an operation method of a compressor

NIPPON SEIKI CO LTD

Head-up display device