Inventor

YOSHINAGA TOHRU

JP31 patents

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

YOSHINAGA TOHRU

NIPPON SOKEN

Fuel supply system for relieving fuel pressure pulsations and designing method thereof

Combustion monitoring apparatus for internal combustion engine

Combustion monitoring apparatus for internal combustion engine

Gas ventilation system for internal combustion engine

Apparatus for purifying exhaust gas

Electrically heatable catalytic converter

Process of producing metal catalyst carrier

Apparatus for purifying exhaust gas

Adsorption apparatus for unburnt hydrocarbons for internal combustion engine

Exhaust gas purifying apparatus

Catalyst carrier for a catalytic converter for purifying an exhaust gas in an internal combustion engine

Evaporative emission control system for automotive vehicle

Ion current detecting device for internal combustion engine

Spark plug and ignition apparatus using same

Spark plug having a bypass electrode extending along a bypass path between center and ground electrode

Spark plug and ignition apparatus using same

Exhaust emission control apparatus

DENSO CORP

Apparatus for detecting a condition of burning in an internal combustion engine

Canister for use in evaporative emission control system for automotive vehicle

Plasma ignition system

Spark ignition device for direct injection-type engines

Laser type engine ignition device

Plasma ignition system with recess porton in the center electrode

Device and method for detecting engine combustion condition

Ignition device for an internal combustion engine

TOYOTA MOTOR CO LTD

Electrically heated catalytic apparatus

Electrically heated catalytic converter for an engine

Electrical heating type catalytic device

Electrically heated catalytic apparatus

NIPPON DENSO CO

Activated charcoal canister

Engine with an adsorber