LexDanaLexDanabeta
Inventor

Yoshihiko Yamada

Inventor
Kanagawa, JP

Overview

63→
Patents
1976–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 63 as inventor

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

F01Lprimary
F01LCyclically operating valves for machines or engines31%
Y10TTechnical subjects covered by former us classification12%
F02BInternal-combustion piston engines10%
F02DControlling combustion engines6%
G05BControl or regulating systems in general6%
A61BDiagnosis3%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling3%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors3%
G03GElectrography3%
B23BTurning2%
PatentTitleYear
10,919,094Cutting device and cutting method202110,883,421Actuator of variable compression ratio mechanism and actuator of link mechanism202110,400,666Variable compression ratio mechanism for internal combustion engine201910,400,668Actuator device for variable compression ratio internal combustion engine201910,400,667Variable compression ratio mechanism for internal combustion engine201910,391,560Cutting device and cutting method201910,191,017Dynamic characteristic calculation apparatus and its method for machine tool201910,156,186Actuator for link mechanism for internal combustion engine, and method for assembling said actuator201810,107,155Valve timing control apparatus of internal combustion engine20189,797,307'Actuator of variable compression ratio mechanism and actuator of link mechanism'20179,482,161'Actuator of link mechanism for internal combustion engine and actuator for variable compression ratio mechanism'20169,421,657'Machining control apparatus and machining control method thereof'20168,818,549'Controller for machine tool and five-axis simultaneous control machine tool controlled thereby'20148,801,178'Fundus photographing apparatus'20148,712,576'Controller for machine tool and five-axis simultaneous control machine tool controlled thereby'20148,667,936'Valve control apparatus for internal combustion engine'20148,235,528'Fundus photographing apparatus'20128,200,360'Machining parameter optimizing apparatus, method for optimizing machining parameter and program therefor'20128,082,895'Variable valve system for internal combustion engine and its driving mechanism'20118,006,658'Variable valve actuation apparatus of internal combustion engine'20117,600,496'Valve operating apparatus for internal combustion engine'20097,497,192'Variable valve system with control shaft actuating mechanism'20097,484,485'Variable-valve-actuation apparatus for internal combustion engine'20097,401,581'Variable valve apparatus for internal combustion engine'20087,311,070'Variable valve system of internal combustion engine and method of assembling same'20077,070,368'Method for setting a machining feed rate and a machine tool using the same'20067,055,477'Valve actuation apparatus for internal combustion engine and method of adjusting lift thereof'20067,047,921'Variable-valve-actuation apparatus for internal combustion engine'20067,032,551'Adjusting mechanism adjusting method of valve-lift amount of internal combustion engine'20066,874,456'Valve operating apparatus of internal combustion engines'20056,792,614'Optical disk apparatus and method of installing its spindle motor'20046,745,154'Remote diagnosis method and system, and portable information processor therefor'20046,597,142'Apparatus and method for setting control parameters of machining apparatus'20036,568,361'Valve operating device for internal combustion engines'20036,497,206'Engine with two cylinder banks each with a valve operating device enabling variation of valve timing and valve lift characteristic'20026,345,595'Control apparatus for variably operated engine valve mechanism of internal combustion engine'20026,340,010'Valve operating device for internal combustion engine with variable valve timing and valve-lift characteristic mechanism'20026,305,336'Electromagnetic driving device of engine valve for internal combustion engine'20016,260,523'Variable-valve-actuation apparatus for internal combustion engine'20016,257,182'Electromagnetic drive system for engine valve'20016,123,053'Variable valve actuation apparatus for internal combustion engines'20006,098,580'Variable valve actuator apparatus'20006,055,949'Variable valve actuator apparatus'20006,050,515'Magnetic tape wind-up device'20006,041,746'Variable valve actuation apparatus'20005,988,125'Variable valve actuation apparatus for engine'19995,931,129'Valve-operating device for engine with two banks and variable valve timing and working angle mechanism'19995,924,334'Device for moving cam relative to its driving shaft'19995,839,872'Apparatus for transferring cargoes'19985,645,020'CAM assembly installation in engine'19975,551,350'Transporting system driven by linear motor having inductive power supply'19965,520,229'Developer replenishing cartridge and developer receiving apparatus within which such cartridge is mounted'19965,513,679'Developer replenishing cartridge and developer receiving apparatus within which such cartridge is mounted'19965,501,186'Engine valve control mechanism'19965,365,896'Cam shaft assembly for use in internal combustion engine'19945,355,976'Handling apparatus for automatic warehousing arrangement'19945,337,094'Eye observation apparatus'19945,203,289'Variable timing mechanism'19935,183,015'Valve operating apparatus'19935,125,373'Oil passage structure for rocker-arm shaft for internal combustion engine'19924,737,153'Reinforced therapeutic tube'19884,175,962'Electrostatographic toner material'19793,955,983'Process for forming a color image on an exposed photosensitive material'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2009Based in Kanagawa, JP· patent location history
1994–2003Patents assigned to UNISIA JECS CORP (16)· patent assignee history
1994–2018Based in Atsugi, JP· patent location history
1999–2019Patents assigned to NISSAN MOTOR (13)· patent assignee history
2003–2006Based in Kasugai, JP· patent location history
2005–2011Patents assigned to HITACHI LTD (9)· patent assignee history
2006–2021Based in Fujisawa, JP· patent location history
2011–2016Patents assigned to YAMADA YOSHIHIKO (8)· patent assignee history
2012–2021Based in Anjo, JP· patent location history
2014–2021Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (9)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNISIA JECS CORP161994–2003
NISSAN MOTOR131999–2019
HITACHI AUTOMOTIVE SYSTEMS LTD92014–2021
HITACHI LTD92005–2011
YAMADA YOSHIHIKOself82011–2016
Locations
LocationPatentsSpan
Kanagawa, JP231992–2009
Fujisawa, JP112006–2021
Anjo, JP72012–2021
Atsugi, JP41994–2018
Kasugai, JP22003–2006