Inventor
Kunihiro Tsuzuki
Inventor
Obu, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Mprimary
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof18%
Y10TTechnical subjects covered by former us classification18%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general9%
F02BInternal-combustion piston engines9%
F02DControlling combustion engines9%
F04DNon-positive-displacement pumps9%
Y02TClimate change mitigation technologies related to transportation9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
G05DSystems for controlling or regulating non-electric variables5%
Y02ATechnologies for adaptation to climate change5%
PatentTitleYear
7,748,948'Vortex-flow blower device'20107,575,410'Electric air pump apparatus and evaporation fuel treatment system'20097,032,375'Secondary air supply system'20065,632,258'Exhaust gas recirculation control apparatus for an internal combustion engine'19974,598,729'Negative pressure control valve'19864,440,139'Vacuum control valve'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1997Patents assigned to NIPPON DENSO CO (3)· patent assignee history
1984Based in Ohbu, JP· patent location history
1986Patents assigned to TOYOTA MOTOR CO LTD (1)· patent assignee history
1986Based in Oobu, JP· patent location history
1997–2010Based in Obu, JP· patent location history
2006–2010Patents assigned to DENSO CORP (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DENSO CORP | 3 | 2006–2010 |
| NIPPON DENSO CO | 3 | 1984–1997 |
| TOYOTA MOTOR CO LTD | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Obu, JP | 4 | 1997–2010 |
| Oobu, JP | 1 | 1986 |
| Ohbu, JP | 1 | 1984 |