Inventor
Seinosuke Hara
Inventor
Kanagawa, JP
Overview
Patents· 77 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Lprimary
F01LCyclically operating valves for machines or engines51%
Y10TTechnical subjects covered by former us classification15%
F02BInternal-combustion piston engines10%
F02DControlling combustion engines7%
Y02TClimate change mitigation technologies related to transportation6%
F02FCylinders, pistons or casings, for combustion engines4%
F16DCouplings for transmitting rotation3%
F01MLubricating of machines or engines in general2%
E02DFoundations1%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general1%
PatentTitleYear
8,401,721'Variable valve actuating apparatus, valve phase varying apparatus and control apparatus for internal combustion engine'20138,095,298'Variable valve actuation system of internal combustion engine'20128,061,315'Variable valve actuating apparatus for internal combustion engine and control shaft for variable valve actuating apparatus'20118,006,658'Variable valve actuation apparatus of internal combustion engine'20117,942,123'Variable valve system for internal combustion engine'20117,802,546'Variable valve actuating apparatus and process for internal combustion engine'20107,793,625'Variable valve actuating apparatus for internal combustion engine'20107,757,645'Variable valve system for internal combustion engine'20107,703,424'Variable valve actuation system of internal combustion engine'20107,600,496'Valve operating apparatus for internal combustion engine'20097,520,260'Multistage fuel-injection internal combustion engine'20097,509,932'Control apparatus for controlling internal combustion engines'20097,478,614'Variably operated valve system for compression ignition engine'20097,461,620'Variable valve actuation device of internal combustion engine'20087,331,323'Lubricating oil supplying system for internal combustion engine'20087,322,324'Valve operating apparatus of internal combustion engine'20087,305,946'Variable valve operating apparatus for internal combustion engine'20077,246,578'Valve operating mechanism of internal combustion engine'20077,240,649'Valve actuation device of internal combustion engine'20077,188,595'Variable valve actuation device of internal combustion engine'20076,598,570'Variable valve system'20036,575,128'Variable-valve-actuation apparatus for internal combustion engine'20036,568,361'Valve operating device for internal combustion engines'20036,499,454'Variable-valve-actuation apparatus for internal combustion engine'20026,427,653'System for driving and controlling CAM for internal combustion engine'20026,390,041'Variable-valve-actuation apparatus for 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'20016,257,182'Electromagnetic drive system for engine valve'20016,216,653'Electromagnetic valve actuator for a valve of an engine'20016,123,053'Variable valve actuation apparatus for internal combustion engines'20006,085,704'Electromagnetically operating actuator for intake and/or exhaust valves'20006,055,949'Variable valve actuator apparatus'20006,041,746'Variable valve actuation apparatus'20006,029,618'Variable valve actuation apparatus'20005,996,540'Variable valve timing and lift system'19995,988,125'Variable valve actuation apparatus for engine'19995,924,334'Device for moving cam relative to its driving shaft'19995,794,576'Engine cylinder valve controlling apparatus'19985,722,356'Camshaft phase changing device'19985,709,179'Engine cylinder valve control system'19985,701,857'Cylinder valve operating system'19975,687,681'Phase changing mechanism for camshaft of internal combustion engine'19975,682,847'Valve actuating device for engine'19975,622,145'Cylinder valve operating apparatus'19975,592,857'Variable camshaft phaser'19975,592,908'Engine cylinder valve control system'19975,564,373'Cylinder valve drive for internal combustion engine'19965,557,983'Device for moving cam relative to its driving shaft'19965,553,573'Valve duration control system for four-cycle engine'19965,501,186'Engine valve control mechanism'19965,494,009'Valve control device for internal combustion engine'19965,452,694'Hydraulic variable lift engine valve gear'19955,445,116'Hydraulic variable lift engine valve gear'19955,365,896'Cam shaft assembly for use in internal combustion engine'19945,333,579'Control device for controlling intake and exhaust valves of internal combustion engine'19945,297,516'Valve actuating apparatus'19945,263,442'Valve timing control apparatus'19935,228,417'Valve timing control system of internal combustion engine'19935,205,248'Intake- and/or exhaust-valve timing control system for internal combustion engines'19935,203,289'Variable timing mechanism'19935,197,421'Valve timing control apparatus'19935,195,471'Valve timing control system of internal combustion engine'19935,189,998'Valve mechanism of internal combustion engine'19935,183,015'Valve operating apparatus'19935,125,373'Oil passage structure for rocker-arm shaft for internal combustion engine'19925,085,182'Variable valve timing rocker arm arrangement for internal combustion engine'19924,934,347'Variable compression piston arrangement for internal combustion engine'19904,809,650'Variable compression control arrangement for internal combustion engine'19894,759,321'Valve timing arrangement for internal combustion engine having multiple inlet valves per cylinder'19884,708,101'Driving apparatus for intake and exhaust valves of internal combustion engine'19874,567,861'Engine valve operating system for internal combustion engine'19864,539,951'Variable valve timing mechanism'19854,526,142'Variable valve timing arrangement for an internal combustion engine or the like'19854,503,818'Variable valve timing arrangement for an internal combustion engine or the like'19854,498,432'Variable valve timing arrangement for an internal combustion engine or the like'19854,438,736'Variable valve timing arrangement with automatic valve clearance adjustment'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–2003Patents assigned to NISSAN MOTOR (18)· patent assignee history
1984–1990Based in Yokosuka, JP· patent location history
1989–2013Based in Atsugi, JP· patent location history
1992–1994Patents assigned to ATSUGI UNISIA CORP (11)· patent assignee history
1992–2012Based in Kanagawa, JP· patent location history
1994–2003Patents assigned to UNISIA JECS CORP (35)· patent assignee history
2007–2012Patents assigned to HITACHI LTD (19)· patent assignee history
2011–2013Patents assigned to HARA SEINOSUKE (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNISIA JECS CORP | 35 | 1994–2003 |
| HITACHI LTD | 19 | 2007–2012 |
| NISSAN MOTOR | 18 | 1984–2003 |
| ATSUGI UNISIA CORP | 11 | 1992–1994 |
| HARA SEINOSUKEself | 3 | 2011–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 42 | 1992–2012 |
| Atsugi, JP | 26 | 1989–2013 |
| Yokosuka, JP | 9 | 1984–1990 |