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Inventor

Yutaka Tsukamoto

Inventor
Johyoh, JP

Overview

9→
Patents
1978–2012
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 9 as inventor

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

Y02Tprimary
Y02TClimate change mitigation technologies related to transportation23%
F02BInternal-combustion piston engines19%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof15%
F02DControlling combustion engines8%
F02FCylinders, pistons or casings, for combustion engines8%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes8%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general4%
F04BPositive-displacement machines for liquids4%
G06FElectric digital data processing4%
G06KGraphical data reading4%
PatentTitleYear
8,171,556'Personal information protection method, personal information protection system, processing device, portable transmitter/receiver, and program'20128,031,051'Privacy protection method, device for transmitting identifier for privacy protection, privacy protection system and program, and monitoring system'20114,305,358'Internal combustion engine'19814,210,104'Internal combustion engine'19804,178,889'Internal combustion engine'19794,163,434'Air-fuel ratio regulator for internal combustion engine'19794,144,856'Exhaust gas recirculation system'19794,133,322'Internal combustion engine'19794,096,692'Air-pump system for reciprocating engines'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1981Patents assigned to MITSUBISHI MOTORS CORP (7)· patent assignee history
1978–1979Based in Jyoyo, JP· patent location history
1979–1981Based in Johyoh, JP· patent location history
1979Based in Joyo, JP· patent location history
2011–2012Patents assigned to TSUKAMOTO YUTAKA (2)· patent assignee history
2011–2012Based in Kyoto, JP· patent location history
2012Patents assigned to FUJII MIKIO (1)· patent assignee history
2012Patents assigned to MIEKO ISHII (1)· patent assignee history
2012Patents assigned to TORIGAI MASAMICHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI MOTORS CORP71978–1981
TSUKAMOTO YUTAKAself22011–2012
FUJII MIKIO12012
MIEKO ISHII12012
TORIGAI MASAMICHI12012
Locations
LocationPatentsSpan
Johyoh, JP31979–1981
Kyoto, JP22011–2012
Jyoyo, JP21978–1979
Joyo, JP21979