P

Inventor

MIWA TETSUYA

JP68 patents
⚠️ This page may combine multiple inventors who share the name “MIWA TETSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DENSO CORP

25 patents
US6895933B2May 24, 2005

Ignition and injection control system for internal combustion engine

DENSO CORP21 citations92
US6844662B2Jan 18, 2005

Spark plug and ignition apparatus

DENSO CORP20 citations92
US6694959B1Feb 24, 2004

Ignition and injection control system for internal combustion engine

DENSO CORP27 citations92
US6653767B2Nov 25, 2003

Spark plug and ignition apparatus

DENSO CORP24 citations92
US7313949B2Jan 1, 2008

Combustion chamber pressure sensor equipped with damper body for attenuating transmitted engine vibration

DENSO CORP12 citations84
US6675784B2Jan 13, 2004

Engine ignition system having fail-safe function

DENSO CORP16 citations84
US6397827B1Jun 4, 2002

Spark ignition device for direct injection-type engines

DENSO CORP16 citations84
US6698411B2Mar 2, 2004

Ignition device for internal combustion engine

DENSO CORP7 citations74
US6694958B2Feb 24, 2004

Ignition device for internal combustion engine

DENSO CORP10 citations74
US11545300B2Jan 3, 2023

Ignition coil for internal combustion engine

DENSO CORP1 citations73
US11367567B2Jun 21, 2022

Ignition coil for internal combustion engine

DENSO CORP2 citations73
US11125201B2Sep 21, 2021

Ignition control system for internal combustion engine

DENSO CORP2 citations73
US7080638B2Jul 25, 2006

Ignition device for internal combustion engine

DENSO CORP8 citations73
US6837229B2Jan 4, 2005

Ignition device for internal combustion engine

DENSO CORP7 citations73
US6032658AMar 7, 2000

Ignition system having ignition coil

DENSO CORP6 citations72
US9825432B2Nov 21, 2017

Spark plug for internal combustion engine and production method thereof

DENSO CORP2 citations70
US6873094B2Mar 29, 2005

Ignition device for internal combustion engine and a manufacturing method therefor

DENSO CORP3 citations63
US12142417B2Nov 12, 2024

Ignition coil for internal combustion engine

DENSO CORP0 citations62
US11769627B2Sep 26, 2023

Ignition coil for internal combustion engine

DENSO CORP0 citations62
US7150274B2Dec 19, 2006

Ignition device for internal combustion engine

DENSO CORP5 citations62
US7017566B2Mar 28, 2006

Ignition device for an internal combustion engine

DENSO CORP3 citations62
US6844735B2Jan 18, 2005

Method for inspecting ignition device for internal combustion engine and inspection device

DENSO CORP3 citations62
US6817350B2Nov 16, 2004

Ignition device for an internal combustion engine

DENSO CORP4 citations62
US6675785B2Jan 13, 2004

Ignition device for an internal combustion engine

DENSO CORP6 citations62
US7243643B2Jul 17, 2007

Ignition device for internal combustion engine

DENSO CORP3 citations61

OMRON TATEISI ELECTRONICS CO

6 patents

AJINOMOTO KK

6 patents

SANYO ELECTRIC CO

3 patents

NIPPON SOKEN

2 patents

ASAHI GLASS CO LTD

2 patents

JAPAN AGENCY MARINE EARTH SCI

2 patents

RIKEN KK

1 patent

SUMITOMO WIRING SYSTEMS

1 patent

NIPPON DENSO CO

1 patent

DENSON CORP

1 patent

Showing the top 50 of 68 patents by PatentIndex Score.