Inventor
Naohiro Hasegawa
Inventor
Toyota, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Lprimary
F01LCyclically operating valves for machines or engines32%
F02FCylinders, pistons or casings, for combustion engines27%
Y10TTechnical subjects covered by former us classification14%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof9%
F01MLubricating of machines or engines in general5%
F02BInternal-combustion piston engines5%
F16JPistons5%
F16KValves5%
PatentTitleYear
9,803,601'Diesel engine'20179,593,649'Engine'20179,416,699'Heating device of a PCV valve'20167,789,056'Sleeve and cylinder head cover'20107,594,488'Cylinder head cover and method for mounting cylinder head cover to cylinder head'20097,341,033'Cylinder head cover'20087,174,868'Resin cylinder head cover'20077,162,986'Cylinder head cover'20077,121,243'Valve case and resin cylinder head cover'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2010Patents assigned to TOYOTA MOTOR CO LTD (6)· patent assignee history
2006–2016Based in Toyota, JP· patent location history
2016Patents assigned to KOJIMA IND CORP (1)· patent assignee history
2017Patents assigned to IHI SHIBAURA MACHINERY CORP (2)· patent assignee history
2017Based in Matsumoto, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOYOTA MOTOR CO LTD | 6 | 2006–2010 |
| IHI SHIBAURA MACHINERY CORP | 2 | 2017 |
| KOJIMA IND CORP | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Toyota, JP | 7 | 2006–2016 |
| Matsumoto, JP | 2 | 2017 |