Seki; Yasunari

Patent Applications and Registrations

Patent applications and USPTO patent grants for Seki; Yasunari.The latest application filed is for "misfire state discrimination system of internal combustion engine".

Company Profile

0.24.1

Seki; Yasunari - Woko JP
SEKI, YASUNARI - WOKO-SHI JP
Seki; Yasunari - Wako JP
Seki; Yasunari - Tochigi 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
Misfire state discrimination system of internal combustion engine Grant 6,494,087 - Hatano , et al. December 17, 2	2002-12-17
Misfire State Discrimination System Of Internal Combustion Engine App 20020002858 - HATANO, GAKU ; et al.	2002-01-10
Evaporative fuel control system for internal combustion engines Grant 5,850,820 - Tsutsumi , et al. December 22, 1	1998-12-22
Catalyst deterioration-determining system for internal combustion engines Grant 5,636,514 - Seki June 10, 1	1997-06-10
Air-fuel ratio control system for internal combustion engines Grant 5,526,798 - Seki June 18, 1	1996-06-18
Evaporative fuel-processing system for internal combustion engines Grant 5,495,842 - Yamanaka , et al. March 5, 1	1996-03-05
Oxygen sensor deterioration-detecting system for internal combustion engines Grant 5,485,382 - Seki , et al. January 16, 1	1996-01-16
Evaporative fuel-processing system for internal combustion engines Grant 5,477,842 - Maruyama , et al. December 26, 1	1995-12-26
Oxygen sensor deterioration-detecting device for internal combustion engines Grant 5,396,765 - Maruyama , et al. March 14, 1	1995-03-14
Evaporative fuel-processing system for internal combustion engines Grant 5,396,873 - Yamanaka , et al. March 14, 1	1995-03-14
Air-fuel ratio control system for internal combustion engines having a plurality of cylinder groups Grant 5,394,691 - Seki March 7, 1	1995-03-07
Air-fuel ratio control system for internal combustion engines, having catalytic converter deterioration-detecting function Grant 5,386,695 - Iwata , et al. February 7, 1	1995-02-07
Catalyst deterioration-detecting system for internal combustion engines Grant 5,381,657 - Takizawa , et al. January 17, 1	1995-01-17
Air-fuel ratio sensor deterioration-detecting device for internal combustion engines Grant 5,375,416 - Iwata , et al. December 27, 1	1994-12-27
System for determining deterioration of catalysts of internal combustion engines Grant 5,325,664 - Seki , et al. July 5, 1	1994-07-05
Abnormality detection system for evaporative fuel control systems of internal combustion engines Grant 5,251,592 - Seki , et al. October 12, 1	1993-10-12
Method of controlling exhaust gas recirculation for an internal combustion engine Grant 5,113,835 - Seki , et al. May 19, 1	1992-05-19
Method of detecting failure of a valve timing changeover control system of an internal combustion engine Grant 5,060,604 - Seki , et al. October 29, 1	1991-10-29
Method of detecting failure of a valve timing changeover control system of an internal combustion engine Grant 5,033,290 - Seki , et al. July 23, 1	1991-07-23
Control method for valve-timing changeover in engine Grant 5,009,203 - Seki April 23, 1	1991-04-23
Method for detecting an irregularity in valve-timing changeover in an engine Grant 4,996,954 - Seki , et al. March 5, 1	1991-03-05
Failsafe method in connection with valve timing-changeover control for internal combustion engines Grant 4,960,083 - Seki , et al. October 2, 1	1990-10-02
Knocking control system for internal combustion engines Grant 4,960,094 - Koike , et al. October 2, 1	1990-10-02
Control method for valve-timing changeover in engine Grant 4,917,057 - Seki April 17, 1	1990-04-17
Method of indicating a shift operation of a manual transmission gear of a vehicle Grant 4,868,756 - Kawanabe , et al. September 19, 1	1989-09-19

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