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Inventor

Yuu Yokoyama

Inventor
Okazaki, JP

Overview

18→
Patents
2006–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 18 as inventor

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

F01Lprimary
F01LCyclically operating valves for machines or engines39%
F02DControlling combustion engines17%
Y02TClimate change mitigation technologies related to transportation12%
F02NStarting of combustion engines5%
Y10TTechnical subjects covered by former us classification5%
C03CChemical composition of glasses, glazes or vitreous enamels2%
C23CCoating metallic material2%
F02BInternal-combustion piston engines2%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof2%
F02PIgnition, other than compression ignition, for internal-combustion engines2%
PatentTitleYear
11,072,555Glass member202110,030,550Valve device for internal combustion engine20189,816,407'Variable valve timing control device for internal combustion engine'20179,587,523'Oil control valve'20179,464,542'Variable valve timing apparatus for internal combustion engine'20169,400,026'Spiral spring'20169,206,712'Variable valve timing device'20159,200,543'Variable valve timing device'20159,175,583'Control device for internal combustion engine'20159,010,289'Control device for hydraulic variable valve timing mechanism'20158,925,503'Variable valve device for internal combustion engine'20158,910,617'Control device for internal combustion engine'20148,683,968'Variable valve assembly for internal combustion engine'20148,656,876'Valve timing control apparatus'20148,554,455'Control apparatus for internal combustion engine'20138,522,737'Variable valve timing mechanism with intermediate locking mechanism and fabrication method thereof'20137,156,059'Variable valve train apparatus for an internal combustion engine'20077,090,932'Plasma resistant member'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2021Based in Kanagawa, JP· patent location history
2007–2018Based in Okazaki, JP· patent location history
2013–2018Patents assigned to TOYOTA MOTOR CO LTD (14)· patent assignee history
2013–2017Patents assigned to YOKOYAMA YUU (12)· patent assignee history
2013–2017Patents assigned to NUMAKURA MASAKI (9)· patent assignee history
2014–2017Patents assigned to DENSO CORP (3)· patent assignee history
2015Patents assigned to FUJIMURA HARUHITO (3)· patent assignee history
2016Based in Toyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYOTA MOTOR CO LTD142013–2018
YOKOYAMA YUUself122013–2017
NUMAKURA MASAKI92013–2017
DENSO CORP32014–2017
FUJIMURA HARUHITO32015
Locations
LocationPatentsSpan
Okazaki, JP152007–2018
Kanagawa, JP22006–2021
Toyoto, JP12016