Inventor

Yasushi Kawashima

Inventor
Mie, JP

Overview

24→
Patents
1992–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 24 as inventor

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

H01Tprimary
H01TSpark gaps16%
B23KSoldering or unsoldering5%
G01DMeasuring not specially adapted for a specific variable5%
G11BInformation storage based on relative movement between record carrier and transducer5%
H04BTransmission5%
F02PIgnition, other than compression ignition, for internal-combustion engines4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
G03GElectrography4%
G05GControl devices or systems insofar as characterised by mechanical features only4%
G08CTransmission systems for measured values, control or similar signals4%
PatentTitleYear
11,106,164Heating device including a heat conductor having a surface with a groove202111,073,776Image forming apparatus, image forming method and non-transitory recording medium202110,958,044Spark plug202110,756,771Wireless switch202010,547,396State display apparatus, state display system, and radio transmission apparatus202010,453,634Power generation apparatus and wireless switch201910,447,528Radio communication system and non-transitory computer-readable storage medium201910,304,639Wireless switch20199,422,911'Gasket for attaching spark plug and ignition system'20168,760,045'Spark plug for internal combustion engines and method for manufacturing the spark plug'20147,907,505'Code disk with a plurality of tracks having different patterns'20117,736,472'Method and device for generating ultra-high pressure'20107,652,413'Spark plug for internal combustion engine'20107,612,331'Code disk with a plurality of tracks having different patterns'20097,332,727'Method and device for generating ultra-high pressure'20087,234,429'Spark plug with increased durability'20077,193,962'Code disk with a plurality of tracks having different patterns'20076,975,062'Spark plug with powder filling'20056,215,234'Spark plug having specified spark gap dimensional relationships'20016,130,498'Spark plug with specific measured parameters'20006,083,604'Bonded assembly, method of jointing for preparation thereof and rivet'20005,982,080'Spark plug and its manufacturing method'19995,776,584'Bonded assembly, method of jointing for preparation thereof and rivet'19985,118,817'Process for production of 2-phosphated esters of ascorbic acid'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2021Based in Nagoya, JP· patent location history
1999–2016Patents assigned to DENSO CORP (8)· patent assignee history
1999–2016Based in Mie, JP· patent location history
2000–2011Patents assigned to MITSUBISHI ELECTRIC CORP (4)· patent assignee history
2000–2001Based in Inabe, JP· patent location history
2007–2011Based in Tokyo, JP· patent location history
2014Patents assigned to HANASHI KEN (1)· patent assignee history
2019–2020Patents assigned to OMRON TATEISI ELECTRONICS CO (5)· patent assignee history
2019–2020Based in Kusatsu, JP· patent location history
2021Patents assigned to TOSHIBA TEC KK (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DENSO CORP81999–2016
OMRON TATEISI ELECTRONICS CO52019–2020
MITSUBISHI ELECTRIC CORP42000–2011
TOSHIBA TEC KK22021
HANASHI KEN12014
Locations
LocationPatentsSpan
Mie, JP61999–2016
Kusatsu, JP52019–2020
Tokyo, JP52007–2011
Nagoya, JP31998–2021
Inabe, JP22000–2001