P

Inventor

NAKATANI KOICHIRO

JP66 patents
⚠️ This page may combine multiple inventors who share the name “NAKATANI KOICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOYOTA MOTOR CO LTD

30 patents
US6546721B2Apr 15, 2003

Exhaust gas purification device

TOYOTA MOTOR CO LTD60 citations96
US7073325B2Jul 11, 2006

Exhaust emission control method and system

TOYOTA MOTOR CO LTD25 citations93
US7059113B2Jun 13, 2006

Exhaust gas purification device

TOYOTA MOTOR CO LTD16 citations93
US6898930B2May 31, 2005

Exhaust gas purification device

TOYOTA MOTOR CO LTD28 citations93
US6877312B2Apr 12, 2005

Exhaust emission control system of internal combustion engine

TOYOTA MOTOR CO LTD36 citations93
US6874316B2Apr 5, 2005

Device for purifying the exhaust gas of an internal combustion engine

TOYOTA MOTOR CO LTD26 citations93
US6834496B2Dec 28, 2004

Exhaust gas purifying apparatus for internal combustion engine and control method thereof

TOYOTA MOTOR CO LTD48 citations93
US6823665B2Nov 30, 2004

Exhaust gas purification device

TOYOTA MOTOR CO LTD30 citations93
US6823664B2Nov 30, 2004

Exhaust gas purification device

TOYOTA MOTOR CO LTD56 citations93
US6820418B2Nov 23, 2004

Exhaust gas purification apparatus

TOYOTA MOTOR CO LTD46 citations93
US6786041B2Sep 7, 2004

Exhaust gas purification method and exhaust gas purification apparatus

TOYOTA MOTOR CO LTD19 citations93
US6644022B2Nov 11, 2003

Exhaust gas purification device of internal combustion engine

TOYOTA MOTOR CO LTD22 citations93
US6644023B2Nov 11, 2003

Exhaust emission control device of internal combustion engine

TOYOTA MOTOR CO LTD26 citations93
US6588204B2Jul 8, 2003

Device for purifying the exhaust gas of an internal combustion engine

TOYOTA MOTOR CO LTD23 citations93
US6568178B2May 27, 2003

Device for purifying the exhaust gas of an internal combustion engine

TOYOTA MOTOR CO LTD40 citations93
US6725651B2Apr 27, 2004

Reducing agent for emission control system, reducing-agent supply device, and emission control system using the reducing agent

TOYOTA MOTOR CO LTD35 citations92
US6655133B2Dec 2, 2003

Exhaust gas purifier for internal combustion engine

TOYOTA MOTOR CO LTD44 citations92
US7338642B2Mar 4, 2008

Exhaust gas purification device for engine

TOYOTA MOTOR CO LTD11 citations84
US7219491B2May 22, 2007

Exhaust emission control apparatus of internal combustion engine and method thereof

TOYOTA MOTOR CO LTD18 citations84
US7040087B2May 9, 2006

Device for purifying exhaust gas for engine

TOYOTA MOTOR CO LTD14 citations84
US6901750B2Jun 7, 2005

Exhaust emission control apparatus and method for internal combustion engine

TOYOTA MOTOR CO LTD12 citations84
US6883310B2Apr 26, 2005

Internal combustion engine emission control apparatus and method

TOYOTA MOTOR CO LTD15 citations84
US6874315B2Apr 5, 2005

Exhaust gas purification device

TOYOTA MOTOR CO LTD16 citations84
US6769245B2Aug 3, 2004

Exhaust gas purification method

TOYOTA MOTOR CO LTD15 citations84
US6988360B2Jan 24, 2006

Exhaust emission purification device for internal combustion engine

TOYOTA MOTOR CO LTD10 citations74
US6837043B2Jan 4, 2005

Device for purifying the exhaust gas of an internal combustion engine

TOYOTA MOTOR CO LTD9 citations74
US6681566B2Jan 27, 2004

Exhaust purifying method and apparatus of an internal combustion engine

TOYOTA MOTOR CO LTD8 citations74
US6594991B2Jul 22, 2003

Exhaust purifying method and apparatus of an internal combustion engine

TOYOTA MOTOR CO LTD11 citations74
US6510686B2Jan 28, 2003

Exhaust gas purifier for internal combustion engine and method for purifying exhaust gas

TOYOTA MOTOR CO LTD11 citations74
US7296401B2Nov 20, 2007

Device for purifying the exhaust gas of an internal combustion engine

TOYOTA MOTOR CO LTD8 citations72

NIHON VELBON SEIKI KOGYO

5 patents

NAKATANI KOICHIRO

4 patents

VELBON INT CORP

4 patents

VELBON KK

2 patents

SONY CORP

1 patent

TOYOTA JIDOSHA KAISHA

1 patent

VELBON INT CORPORATION

1 patent

VICTOR COMPANY OF JAPAN

1 patent

KOGO TOMOYUKI

1 patent

Showing the top 50 of 66 patents by PatentIndex Score.