Hiroyuki Ishiguro

Person

Aichi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Oxygen sensor for preventing silicon poisoning
- Patent number 5,849,165
- Issue date Dec 15, 1998
- NGK Spark Plug Co. Ltd.
- Takao Kojima
- G01 - MEASURING TESTING
Information Patent Grant
Oxygen-sensor element
- Patent number 5,443,711
- Issue date Aug 22, 1995
- NGK Spark Plug Co., Ltd.
- Takao Kojima
- G01 - MEASURING TESTING
Information Patent Grant
Method of producing oxygen sensor for air-fuel ratio control having...
- Patent number 5,326,597
- Issue date Jul 5, 1994
- NGK Spark Plug Co., Ltd.
- Toshiki Sawada
- G01 - MEASURING TESTING
Information Patent Grant
Oxygen sensor for air-fuel ratio control having a protective layer...
- Patent number 5,160,598
- Issue date Nov 3, 1992
- NGK Spark Plug Co., Ltd.
- Toshiki Sawada
- G01 - MEASURING TESTING
Information Patent Grant
Solid electrolyte of partially stabilized zirconia and method of pr...
- Patent number 5,122,487
- Issue date Jun 16, 1992
- NGK Spark Plug Co., Ltd.
- Nobuhiro Hayakawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Reinforced electrolyte function elements
- Patent number 5,110,442
- Issue date May 5, 1992
- NGK Spark Plug Co., Ltd.
- Takao Kojima
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Solid electrolyte air/fuel ratio sensor with voltage control
- Patent number 5,047,137
- Issue date Sep 10, 1991
- NGK Spark Plug Co., Ltd.
- Tetsusyo Yamada
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for sensing air-fuel ratio
- Patent number 4,863,584
- Issue date Sep 5, 1989
- NGK Spark Plug Co., Ltd.
- Takao Kojima
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Plate-like ceramic heater
- Patent number 4,806,739
- Issue date Feb 21, 1989
- NGK Spark Plug Co., Ltd.
- Takao Kojima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Air/fuel ratio sensor
- Patent number 4,747,930
- Issue date May 31, 1988
- NGK Spark Plug Co., Ltd
- Takao Kojima
- G01 - MEASURING TESTING
Information Patent Grant
Heater backed with a ceramic substrate
- Patent number 4,733,056
- Issue date Mar 22, 1988
- NGK Spark Plug Co., Ltd.
- Takao Kojima
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Pump cell element for air-fuel ratio sensor
- Patent number 4,713,166
- Issue date Dec 15, 1987
- NGK Spark Plug Co., Ltd.
- Takao Kojima
- G01 - MEASURING TESTING
Information Patent Grant
Oxygen sensor
- Patent number 4,629,549
- Issue date Dec 16, 1986
- NGK Spark Plug Co., Ltd.
- Takao Kojima
- G01 - MEASURING TESTING
Information Patent Grant
Air-fuel ratio sensor
- Patent number 4,624,770
- Issue date Nov 25, 1986
- NGK Spark Plug Co., Ltd.
- Tetsusyo Yamada
- G01 - MEASURING TESTING

Hiroyuki Ishiguro

Person

Patents Grantslast 30 patents

Oxygen sensor for preventing silicon poisoning

Oxygen-sensor element

Method of producing oxygen sensor for air-fuel ratio control having...

Oxygen sensor for air-fuel ratio control having a protective layer...

Solid electrolyte of partially stabilized zirconia and method of pr...

Reinforced electrolyte function elements

Solid electrolyte air/fuel ratio sensor with voltage control

Apparatus for sensing air-fuel ratio

Plate-like ceramic heater

Air/fuel ratio sensor

Heater backed with a ceramic substrate

Pump cell element for air-fuel ratio sensor

Oxygen sensor

Air-fuel ratio sensor