Inventor
Hironao Takahashi
Inventor
Iwata, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Lprimary
F01LCyclically operating valves for machines or engines27%
F02BInternal-combustion piston engines20%
F02FCylinders, pistons or casings, for combustion engines13%
F01MLubricating of machines or engines in general7%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof7%
F16FSprings7%
G06FElectric digital data processing7%
LOC157%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
7,340,563'Data transmission device having the shape of a standard 3.5″ disk'2008D0500767'Engine'20056,273,047'Four-stroke engine'20016,076,492'Cylinder head for variable valve timing'20006,035,821'Cam shaft for engine'20005,954,019'Variable valve timing arrangement for engine'19995,718,196'Lubrication and camshaft control system for engine'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2001Patents assigned to YAMAHA MOTOR CO LTD (5)· patent assignee history
1998–2001Based in Iwata, JP· patent location history
2005Patents assigned to BRUMBY CORP LTD (1)· patent assignee history
2005Based in Hinwil, CH· patent location history
2008Patents assigned to DTS INC (1)· patent assignee history
2008Based in Tsukuba, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YAMAHA MOTOR CO LTD | 5 | 1998–2001 |
| BRUMBY CORP LTD | 1 | 2005 |
| DTS INC | 1 | 2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Iwata, JP | 5 | 1998–2001 |
| Tsukuba, JP | 1 | 2008 |
| Hinwil, CH | 1 | 2005 |