Nakaniwa; Shinpei

Patent Applications and Registrations

Patent applications and USPTO patent grants for Nakaniwa; Shinpei.The latest application filed is for "system and method for learning and controlling air/fuel mixture ratio for internal combustion engine".

Company Profile

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Nakaniwa; Shinpei - Gumma JP
Nakaniwa; Shinpei - Gunma JP
Nakaniwa; Shinpei - Isesaki JP
Nakaniwa; Shinpei - Isezaki JP
Nakaniwa; Shinpei - Kasukawa 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
System and method for learning and controlling air/fuel mixture ratio for internal combustion engine Grant 5,297,046 - Nakaniwa March 22, 1	1994-03-22
System for detecting and adjusting for variation in cylinder pressure in internal combustion engine Grant 5,276,625 - Nakaniwa January 4, 1	1994-01-04
System for transferring data between program development computer and control unit via specific memory addresses of interface computer Grant 5,261,078 - Nakaniwa , et al. November 9, 1	1993-11-09
Air/fuel ratio feedback control system for internal combustion engine Grant 5,227,975 - Nakaniwa July 13, 1	1993-07-13
Method and apparatus for detecting misfired cylinder of internal combustion engine Grant 5,105,657 - Nakaniwa April 21, 1	1992-04-21
Process and apparatus for learning and controlling air/fuel ratio in internal combustion engine Grant 5,099,817 - Nakaniwa March 31, 1	1992-03-31
System and method for controlling air/fuel mixture ratio of air and fuel mixture supplied to internal combustion engine using oxygen sensor Grant 5,065,728 - Nakaniwa November 19, 1	1991-11-19
System for identifying misfire cylinder in internal combustion engine Grant 5,058,551 - Nakaniwa October 22, 1	1991-10-22
Apparatus for detecting intake pressure in internal combustion engine Grant 5,031,450 - Nakaniwa , et al. July 16, 1	1991-07-16
Method and apparatus for self-diagnosis of air leakage in control system of internal combustion engine Grant 5,007,399 - Nakaniwa April 16, 1	1991-04-16
Control system for internal combustion engine with improved control characteristics at transition of engine driving condition Grant 4,947,816 - Nakaniwa , et al. August 14, 1	1990-08-14
Fuel supply control system for internal combustion engine with improved response characteristics to variation of induction air pressure Grant 4,941,448 - Nakaniwa , et al. July 17, 1	1990-07-17
Electronic air-fuel ratio control apparatus in internal combustion engine Grant 4,915,080 - Nakaniwa , et al. April 10, 1	1990-04-10
Fuel injection control system for multi-cylinder internal combustion engine with feature of improved response characteristics to acceleration enrichment demand Grant 4,889,100 - Nakaniwa , et al. December 26, 1	1989-12-26
Internal combustion engine with electronic air-fuel ratio control apparatus Grant 4,878,473 - Nakaniwa , et al. November 7, 1	1989-11-07

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