Inventor

HAYAMI TOSHIFUMI

JP9 patents

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

NIPPON DENSO CO

4 patents

US5273020ADec 28, 1993

Fuel vapor purging control system for automotive vehicle

NIPPON DENSO CO113 citations95

US5320077AJun 14, 1994

Fuel control system for internal combustion engine

NIPPON DENSO CO20 citations91

US5289809AMar 1, 1994

Internal combustion engine control apparatus

NIPPON DENSO CO9 citations73

US5629473AMay 13, 1997

Oxygen concentration detection device

NIPPON DENSO CO5 citations60

MAZDA MOTOR

2 patents

US10309294B2Jun 4, 2019

Engine

MAZDA MOTOR1 citations59

US10280831B2May 7, 2019

Engine

MAZDA MOTOR0 citations38

DENSO CORP

1 patent

US7207297B2Apr 24, 2007

Internal combustion engine cooling system

DENSO CORP12 citations82

MURAKAMI YOSHIFUMI

1 patent

US9818241B2Nov 14, 2017

Malfunction diagnosing apparatus for vehicle

MURAKAMI YOSHIFUMI2 citations69

HAYAMI TOSHIFUMI

1 patent

US10113500B2Oct 30, 2018

Fuel-pressure controller for direct injection engine

HAYAMI TOSHIFUMI0 citations32