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Inventor

Kenshi Ushijima

Inventor
Kanagawa, JP

Overview

34→
Patents
2003–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 34 as inventor

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

F02Bprimary
F02BInternal-combustion piston engines35%
F16HGearing11%
F16CShafts9%
Y10TTechnical subjects covered by former us classification7%
F01LCyclically operating valves for machines or engines5%
F02FCylinders, pistons or casings, for combustion engines5%
Y02TClimate change mitigation technologies related to transportation5%
F02DControlling combustion engines4%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles3%
F01PCooling of machines or engines in general3%
PatentTitleYear
10,927,928Auxiliary machine-driving device for vehicle202110,760,471Auxiliary machine-driving device for vehicle202010,036,312Auxiliary machine-driving device for vehicle20188,826,882'Lubricating structure of multi-link piston-crank mechanism for internal combustion engine'20148,100,097'Multi-link engine'20128,100,098'Multi-link engine'20128,011,343'Multi link type piston-crank mechanism of internal combustion engine'20117,992,529'Internal combustion engine'20117,980,207'Multi-link engine'20117,669,559'Internal combustion engine'20107,594,467'Internal combustion engine with improved thermal efficiency'20097,412,958'Internal combustion engine'20087,363,902'Engine overall height reduction'20087,357,104'Internal combustion engine piston crank mechanism'20087,290,508'Lower link for piston crank mechanism of internal combustion engine'20077,290,507'Lower link for piston crank mechanism of engine'20077,191,741'Pin connected link mechanism'20077,121,251'Multi-link piston crank mechanism for internal combustion engine'20067,117,838'Internal combustion engine'20067,036,475'Lash adjuster for valve gear'20067,021,269'Lower link of piston crank mechanism for internal combustion engine'20066,920,847'Reciprocating engine with a variable compression ratio mechanism'20056,877,463'Link mechanism of reciprocating internal combustion engine'20056,802,650'Sliding element, sliding structure including the sliding element, and method for producing microscopic surface structure in the sliding element'20046,739,238'Sliding structure for a reciprocating internal combustion engine and a reciprocating internal combustion engine using the sliding structure'20046,736,036'Traction drive rotary assembly and process for producing rolling element thereof'20046,736,101'Low friction sliding element for a reciprocating engine'20046,732,682'Control system and method for an internal combustion engine'20046,684,828'Variable compression ratio mechanism for reciprocating internal combustion engine'20046,647,935'Reciprocating internal combustion engine'20036,629,906'Traction drive rotary assembly and process for producing rolling element thereof'20036,615,773'Piston control mechanism of reciprocating internal combustion engine of variable compression ratio type'20036,595,186'Control system and method for an internal combustion engine'20036,524,212'Toroidal-type continuously variable transmission for automobiles'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2021Patents assigned to NISSAN MOTOR (33)· patent assignee history
2003–2021Based in Kanagawa, JP· patent location history
2008–2014Based in Kamakura, JP· patent location history
2012Patents assigned to AOYAMA SHUNICHI (2)· patent assignee history
2012Patents assigned to HIRAYA KOJI (2)· patent assignee history
2012Patents assigned to TAKAHASHI NAOKI (2)· patent assignee history
2012Patents assigned to TOMITA MASAYUKI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NISSAN MOTOR332003–2021
AOYAMA SHUNICHI22012
HIRAYA KOJI22012
TAKAHASHI NAOKI22012
TOMITA MASAYUKI22012
Locations
LocationPatentsSpan
Kanagawa, JP242003–2021
Kamakura, JP102008–2014