Inventor
Tatsumasa Sugiyama
Inventor
Anjyo, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Dprimary
F02DControlling combustion engines23%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof23%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general19%
Y02TClimate change mitigation technologies related to transportation19%
F02BInternal-combustion piston engines15%
PatentTitleYear
7,568,337'Device for detecting state of thermal degradation of exhaust purifying catalyst'20097,347,043'Exhaust gas purifier for internal combustion engine'20087,320,214'Exhaust gas purifier for internal combustion engine'20087,299,625'Exhaust purifying apparatus and exhaust purifying method for internal combustion engine'20077,143,756'Control device and control method for internal combustion engine'20066,763,799'Internal combustion engine and control method of the same'20046,668,805'Accumulator fuel injection apparatus'20035,425,344'Diagnostic apparatus for evaporative fuel purge system'19955,295,472'Apparatus for detecting malfunction in evaporated fuel purge system used in internal combustion engine'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2009Patents assigned to TOYOTA MOTOR CO LTD (8)· patent assignee history
1994–1995Based in Kariya, JP· patent location history
2003–2004Patents assigned to DENSO CORP (2)· patent assignee history
2003–2009Based in Anjyo, JP· patent location history
2004Patents assigned to TOYOTA JIDOSHOKKI KK (1)· patent assignee history
2008Based in Anjo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOYOTA MOTOR CO LTD | 8 | 1994–2009 |
| DENSO CORP | 2 | 2003–2004 |
| TOYOTA JIDOSHOKKI KK | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Anjyo, JP | 6 | 2003–2009 |
| Kariya, JP | 2 | 1994–1995 |
| Anjo, JP | 1 | 2008 |