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Inventor

Yasushi Sakakura

Inventor
Aichi, JP

Overview

23→
Patents
2002–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 23 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Tprimary
H01TSpark gaps64%
F02PIgnition, other than compression ignition, for internal-combustion engines18%
F02DControlling combustion engines11%
C22CAlloys4%
Y02TClimate change mitigation technologies related to transportation4%
PatentTitleYear
10,804,682Spark plug202010,270,227Ignition plug201910,211,604Spark plug20199,543,739'Spark plug, and method for manufacturing spark plug'20179,525,270'Spark plug'20169,368,944'Spark plug'20169,236,715'Spark plug and method of manufacturing spark plug'20169,172,215'Spark plug having center electrode tip of varying widths'20159,160,146'Spark plug'20159,093,823'Spark plug and method of manufacturing spark plug'20158,981,633'Spark plug and production method therefor'20158,933,618'Electrode-attached insulator and spark plug'20158,878,426'Ignition plug'20148,796,909'Igniter plug with cooling fluid and method of manufacturing igniter plug'20148,648,519'Spark plug for internal combustion engine'20148,432,091'Corrosion suppressing spark plug'20138,243,415'Ignition plug and ignition system'20127,781,949'Spark plug'20106,779,517'Ignition device for internal combustion engine'20046,715,340'Misfiring detection apparatus for internal combustion engine'20046,512,375'Method of detecting spark plug fouling and ignition system having means for carrying out the same'20036,505,605'Control system for an internal combustion engine and method carried out by the same'20036,371,078'Method of controlling a direct fuel injection engine and storage medium storing the same'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2020Patents assigned to NGK SPARK PLUG CO (23)· patent assignee history
2002–2016Based in Aichi, JP· patent location history
2004Based in Komaki, JP· patent location history
2012–2015Patents assigned to SAKAKURA YASUSHI (6)· patent assignee history
2012–2019Based in Ichinomiya, JP· patent location history
2014Patents assigned to HASEGAWA YUKINOBU (1)· patent assignee history
2014Patents assigned to KISHIMOTO KAORI (1)· patent assignee history
2015Patents assigned to MATSUNAGA YUICHI (2)· patent assignee history
2020Based in Nagoya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NGK SPARK PLUG CO232002–2020
SAKAKURA YASUSHIself62012–2015
MATSUNAGA YUICHI22015
HASEGAWA YUKINOBU12014
KISHIMOTO KAORI12014
Locations
LocationPatentsSpan
Aichi, JP112002–2016
Ichinomiya, JP102012–2019
Nagoya, JP12020
Komaki, JP12004