Masahiro Tomita

Person

Obu-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor wafer etching method
- Patent number 6,251,542
- Issue date Jun 26, 2001
- Nippondenso Co., Ltd.
- Masahiro Tomita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor wafer etching method
- Patent number 5,874,365
- Issue date Feb 23, 1999
- Nippondenso Co., Ltd.
- Masahiro Tomita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for producing piezoelectric ceramic sheet and dielectric ce...
- Patent number 5,527,501
- Issue date Jun 18, 1996
- Nippon Soken Inc.
- Yasushi Sawada
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Piezoelectric type actuator
- Patent number 5,004,945
- Issue date Apr 2, 1991
- Nippondenso Co., Ltd.
- Masahiro Tomita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing two-component or three-component lead zirconat...
- Patent number 4,990,324
- Issue date Feb 5, 1991
- Nippondenso Co., Ltd.
- Masahiro Tomita
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Piezoelectric ceramic materials
- Patent number 4,882,079
- Issue date Nov 21, 1989
- Nippon Soken, Inc.
- Masahiro Tomita
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Pilot injection system for fuel injection pump
- Patent number 4,838,233
- Issue date Jun 13, 1989
- Nippondenso Co., Ltd.
- Satoshi Hayashi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
High voltage generating device
- Patent number 4,767,967
- Issue date Aug 30, 1988
- Nippon Soken, Inc.
- Takeshi Tanaka
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Piezoelectric ceramic materials
- Patent number 4,765,919
- Issue date Aug 23, 1988
- Nippon Soken, Inc.
- Masahiro Tomita
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Piezoelectric laminate stack
- Patent number 4,752,712
- Issue date Jun 21, 1988
- Nippon Soken, Inc.
- Masahiro Tomita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for controlling electroexpansive actuator avoiding deteri...
- Patent number 4,705,003
- Issue date Nov 10, 1987
- Nippon Soken, Inc.
- Yasuyuki Sakakibara
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Temperature compensated stack of piezoelectric elements
- Patent number 4,570,098
- Issue date Feb 11, 1986
- Nippon Soken, Inc.
- Masahiro Tomita
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Piezoelectric actuator and a piezoelectric pump injector incorporat...
- Patent number 4,553,059
- Issue date Nov 12, 1985
- Nippon Soken, Inc.
- Seiko Abe
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method for producing a ceramic filter for cleaning exhaust gases fr...
- Patent number 4,540,535
- Issue date Sep 10, 1985
- Nippon Soken, Inc.
- Masahiro Tomita
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Exhaust gas cleaning device for internal combustion engine
- Patent number 4,535,589
- Issue date Aug 20, 1985
- Nippon Soken, Inc.
- Hitoshi Yoshida
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Carbon particulates cleaning device for diesel engine
- Patent number 4,535,588
- Issue date Aug 20, 1985
- Nippon Soken, Inc.
- Susumu Sato
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Dust collecting filter
- Patent number 4,528,008
- Issue date Jul 9, 1985
- Nippon Soken, Inc.
- Shigeru Takagi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Electrical heater retained in a porous ceramic structure
- Patent number 4,523,935
- Issue date Jun 18, 1985
- Nippon Soken, Inc.
- Shigeru Takagi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Carbon particulates cleaning device
- Patent number 4,516,993
- Issue date May 14, 1985
- Nippondenso Co., Ltd.
- Yukihisa Takeuchi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Exhaust gas cleaning device
- Patent number 4,505,726
- Issue date Mar 19, 1985
- Nippondenso Co., Ltd.
- Yukihisa Takeuchi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Exhaust gas cleaning device for internal combustion engine
- Patent number 4,485,622
- Issue date Dec 4, 1984
- Nippon Soken, Inc.
- Shigeru Takagi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Exhaust gas filter
- Patent number 4,464,185
- Issue date Aug 7, 1984
- Nippon Soken, Inc.
- Masahiro Tomita
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Combustion burner apparatus
- Patent number 4,459,805
- Issue date Jul 17, 1984
- Nippon Soken, Inc.
- Sigeru Kamiya
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Carbon particulates cleaning device for diesel engine
- Patent number 4,450,681
- Issue date May 29, 1984
- Nippon Soken, Inc.
- Susumu Sato
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Carbon particulates cleaning device for diesel engine
- Patent number 4,450,682
- Issue date May 29, 1984
- Nippon Soken, Inc.
- Susumu Sato
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Dust collecting filter
- Patent number 4,441,899
- Issue date Apr 10, 1984
- Nippon Soken, Inc.
- Shigeru Takagi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter for cleaning exhaust gases from diesel engine
- Patent number 4,436,538
- Issue date Mar 13, 1984
- Nippon Soken, Inc.
- Masahiro Tomita
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Exhaust gas cleaning device for internal combustion engine
- Patent number 4,404,798
- Issue date Sep 20, 1983
- Nippon Soken, Inc.
- Shigeru Takagi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Exhaust gas cleaning element
- Patent number 4,404,007
- Issue date Sep 13, 1983
- Nippon Soken, Inc.
- Toshiyuki Tukao
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for producing a filter
- Patent number 4,396,565
- Issue date Aug 2, 1983
- Nippon Soken, Inc.
- Masahiro Tomita
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
Heat resistant and oil-resistant sealing member
- Publication number 20020135139
- Publication date Sep 26, 2002
- NIPPONDENSO CO., LTD.
- Norio Tanaka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Masahiro Tomita

Person

Patents Grantslast 30 patents

Semiconductor wafer etching method

Semiconductor wafer etching method

Process for producing piezoelectric ceramic sheet and dielectric ce...

Piezoelectric type actuator

Method for producing two-component or three-component lead zirconat...

Piezoelectric ceramic materials

Pilot injection system for fuel injection pump

High voltage generating device

Piezoelectric ceramic materials

Piezoelectric laminate stack

Apparatus for controlling electroexpansive actuator avoiding deteri...

Temperature compensated stack of piezoelectric elements

Piezoelectric actuator and a piezoelectric pump injector incorporat...

Method for producing a ceramic filter for cleaning exhaust gases fr...

Exhaust gas cleaning device for internal combustion engine

Carbon particulates cleaning device for diesel engine

Dust collecting filter

Electrical heater retained in a porous ceramic structure

Carbon particulates cleaning device

Exhaust gas cleaning device

Exhaust gas cleaning device for internal combustion engine

Exhaust gas filter

Combustion burner apparatus

Carbon particulates cleaning device for diesel engine

Carbon particulates cleaning device for diesel engine

Dust collecting filter

Filter for cleaning exhaust gases from diesel engine

Exhaust gas cleaning device for internal combustion engine

Exhaust gas cleaning element

Method for producing a filter

Patents Applicationslast 30 patents

Heat resistant and oil-resistant sealing member