Inventor
SUGIURA AKIMITSU
JP58 patents
⚠️ This page may combine multiple inventors who share the name “SUGIURA AKIMITSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DENSO CORP
44 patentsUS6208231B1Mar 27, 2001
Stick-type ignition coil having improved structure against crack or dielectric discharge
DENSO CORP53 citations95
US11695256B2Jul 4, 2023
Spark plug for internal combustion engine
DENSO CORP4 citations75
US11710947B2Jul 25, 2023
Spark plug for internal combustion engine
DENSO CORP4 citations74
US10063035B2Aug 28, 2018
Ignition device and method of producing super hydrophilic membrane to be used in ignition device
DENSO CORP3 citations73
US9957946B2May 1, 2018
Ignition device
DENSO CORP3 citations72
US9903335B2Feb 27, 2018
Ignition device controlling streamer discharge and arc discharge
DENSO CORP3 citations72
US9391431B2Jul 12, 2016
Barrier discharge ignition apparatus for internal combustion engine
DENSO CORP6 citations72
US9995267B2Jun 12, 2018
Ignition apparatus
DENSO CORP3 citations71
US9897062B2Feb 20, 2018
Ignition device
DENSO CORP2 citations71
US9771918B2Sep 26, 2017
Ignition system
DENSO CORP5 citations71
US11199170B2Dec 14, 2021
Ignition control device
DENSO CORP4 citations70
US10006433B2Jun 26, 2018
Laser ignition device
DENSO CORP4 citations67
US7068135B1Jun 27, 2006
Stick-type ignition coil having improved structure against crack or dielectric discharge
DENSO CORP2 citations63
US6977574B1Dec 20, 2005
Stick-type ignition coil having improved structure against crack or dielectric discharge
DENSO CORP3 citations63
US11815008B1Nov 14, 2023
Ignition system for internal combustion engine
DENSO CORP0 citations62
US9267474B2Feb 23, 2016
Ignition device
DENSO CORP2 citations62
US7071804B2Jul 4, 2006
Stick-type ignition coil having improved structure against crack or dielectric discharge
DENSO CORP4 citations62
US10291000B2May 14, 2019
Ignition apparatus
DENSO CORP1 citations61
US9331458B2May 3, 2016
Ignition system
DENSO CORP2 citations61
US10714905B2Jul 14, 2020
Spark plug for internal combustion engine
DENSO CORP1 citations58
US11973323B2Apr 30, 2024
Spark plug for internal combustion engine
DENSO CORP0 citations52
US11939943B2Mar 26, 2024
Ignition apparatus for internal combustion engine
DENSO CORP0 citations52
US11909179B2Feb 20, 2024
Spark plug and internal combustion engine equipped with the same
DENSO CORP0 citations52
US11742635B2Aug 29, 2023
Spark plug for internal combustion engine and method of manufacturing the same
DENSO CORP0 citations52
US11715932B2Aug 1, 2023
Internal combustion engine spark plug and method of manufacturing the same
DENSO CORP0 citations52
US10951012B2Mar 16, 2021
Spark plug for internal combustion engines and internal combustion engine
DENSO CORP0 citations52
US11719153B2Aug 8, 2023
Ignition device
DENSO CORP0 citations51
US9825431B2Nov 21, 2017
Ignition device
DENSO CORP1 citations51
US10900459B2Jan 26, 2021
Ignition control system and ignition control device
DENSO CORP0 citations50
US10302062B2May 28, 2019
Ignition control apparatus
DENSO CORP0 citations50
US9765748B2Sep 19, 2017
Ignition control apparatus
DENSO CORP0 citations50
US10361027B2Jul 23, 2019
Ignition device
DENSO CORP0 citations49
US11181090B2Nov 23, 2021
Ignition apparatus
DENSO CORP0 citations48
US11129268B2Sep 21, 2021
Ignition apparatus including spark plug that generates plasma
DENSO CORP0 citations48
US10886708B2Jan 5, 2021
Spark plug for internal combustion engine
DENSO CORP0 citations48
US11664645B2May 30, 2023
Internal combustion engine and spark plug
DENSO CORP0 citations43
US10090630B2Oct 2, 2018
Laser ignition device provided with transmissive reflective film
DENSO CORP0 citations42
US10844827B2Nov 24, 2020
Ignition device for internal combustion engine
DENSO CORP0 citations41
US10454252B2Oct 22, 2019
Spark plug for internal combustion engine
DENSO CORP0 citations41
US9970406B2May 15, 2018
Ignition apparatus for internal combustion engine
DENSO CORP0 citations41
US10855057B2Dec 1, 2020
Spark plug for internal combustion engine
DENSO CORP0 citations40
US10794354B2Oct 6, 2020
Ignition control apparatus for internal combustion engine
DENSO CORP0 citations40
US10527020B2Jan 7, 2020
Ignition apparatus for internal combustion engines
DENSO CORP0 citations40
US10508637B2Dec 17, 2019
Ignition control system
DENSO CORP0 citations40
NIPPON DENSO CO
3 patentsUS6252483B1Jun 26, 2001
Slant winding electromagnetic coil and ignition coil for internal combustion engine using same
NIPPON DENSO CO7 citations72
US6060973AMay 9, 2000
Slant winding electromagnetic coil and ignition coil for internal combustion engine using same
NIPPON DENSO CO12 citations72
US5261381ANov 16, 1993
Ignition coil unit for internal combustion engine
NIPPON DENSO CO6 citations58
NIPPON SOKEN
2 patentsTOYOTA CHUO KENKYUSHO KK
1 patentShowing the top 50 of 58 patents by PatentIndex Score.