Kayanuma; Nobuaki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kayanuma; Nobuaki.The latest application filed is for "apparatus for detecting malfunction in fuel evaporative prurge system".

Company Profile

0.18.0

Kayanuma; Nobuaki - Gotenba JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Apparatus for detecting malfunction in fuel evaporative prurge system Grant 5,313,925 - Otsuka , et al. May 24, 1	1994-05-24
Device for determining misfiring cylinder of multicylinder engine Grant 5,245,865 - Kayanuma September 21, 1	1993-09-21
Failure detection device for evaporative fuel purge system Grant 5,245,973 - Otsuka , et al. September 21, 1	1993-09-21
Air-fuel ratio control device for an engine Grant 5,207,057 - Kayanuma May 4, 1	1993-05-04
Method and apparatus for detecting abnormal state of evaporative emission-control system Grant 5,203,870 - Kayanuma , et al. April 20, 1	1993-04-20
Apparatus for determining deterioration of three-way catalyst of internal combustion engine Grant 5,165,230 - Kayanuma , et al. November 24, 1	1992-11-24
Apparatus for detecting malfunction in evaporated fuel purge system Grant 5,143,035 - Kayanuma September 1, 1	1992-09-01
Apparatus and method for detecting abnormalities in a secondary air supplier Grant 5,119,631 - Kayanuma , et al. June 9, 1	1992-06-09
Double air-fuel ratio sensor system in internal combustion engine Grant RE33,942 - Katsuno , et al. June 2, 1	1992-06-02
Method and apparatus for determining deterioration of three-way catalysts in double air-fuel ratio sensor system Grant 5,088,281 - Izutani , et al. February 18, 1	1992-02-18
Misfire detecting system in double air-fuel ratio sensor system Grant 5,069,035 - Kayanuma December 3, 1	1991-12-03
System for treating vaporized fuel in an internal combustion engine Grant 5,056,494 - Kayanuma October 15, 1	1991-10-15
Air-fuel ratio feedback control system including at least downstreamside air-fuel ratio sensor Grant 4,964,272 - Kayanuma October 23, 1	1990-10-23
Double air-fuel ratio sensor system carrying out learning control operation Grant 4,796,425 - Nagai , et al. January 10, 1	1989-01-10
Double air-fuel ratio sensor system having improved response characteristics Grant 4,745,741 - Masui , et al. May 24, 1	1988-05-24
Double air-fuel ratio sensor system in internal combustion engine Grant 4,739,614 - Katsuno , et al. April 26, 1	1988-04-26
Double air-fuel ratio sensor system having improved response characteristics Grant 4,693,076 - Chujo , et al. September 15, 1	1987-09-15
Fuel injection type internal combustion engine Grant 4,667,636 - Oishi , et al. May 26, 1	1987-05-26

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