Tadashi Iizuka

Person

Ashikaga, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Bearings for CO2 refrigerant compressor use, compressor using the s...
- Patent number 7,128,528
- Issue date Oct 31, 2006
- Hitachi, Ltd.
- Hiroshi Takayasu
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Refrigeration cycle
- Patent number 6,258,293
- Issue date Jul 10, 2001
- Hitachi, Ltd.
- Tadashi Iizuka
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerating machine oil composition, and refrigeration and compre...
- Patent number 6,176,094
- Issue date Jan 23, 2001
- Hitachi, Ltd.
- Ryou Ohta
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigeration cycle
- Patent number 6,029,459
- Issue date Feb 29, 2000
- Hitachi, Ltd.
- Tadashi Iizuka
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerant compressor
- Patent number 5,964,581
- Issue date Oct 12, 1999
- Hitachi, Ltd.
- Tadashi Iizuka
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerating apparatus and refrigerant compressor
- Patent number 5,711,165
- Issue date Jan 27, 1998
- Hitachi, Ltd.
- Tadashi Iizuka
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Rotary type compressor
- Patent number 5,591,023
- Issue date Jan 7, 1997
- Hitachi Metals, Ltd.
- Hideki Nakamura
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Refrigeration apparatus containing lubricant composition
- Patent number 5,553,465
- Issue date Sep 10, 1996
- Hitachi, Ltd.
- Katsumi Fukuda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Rotary compressor and blade tip structure
- Patent number 5,494,423
- Issue date Feb 27, 1996
- Hitachi, Ltd.
- Akihiko Ishiyama
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Compressor scroll made of silicon containing aluminum alloy
- Patent number 5,478,220
- Issue date Dec 26, 1995
- Hitachi, Ltd.
- Yasuo Kamitsuma
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Lubricant for refrigeration compressors
- Patent number 5,445,753
- Issue date Aug 29, 1995
- Hitachi, Ltd.
- Katsumi Fukuda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Iron-base alloy for rotary type compressors
- Patent number 5,423,664
- Issue date Jun 13, 1995
- Hitachi, Ltd.
- Tadashi Iizuka
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Lubricant composition, refrigeration apparatus containing same and...
- Patent number 5,417,872
- Issue date May 23, 1995
- Hitachi, Ltd.
- Katsumi Fukuda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Highly ductile sintered aluminum alloy, method for production there...
- Patent number 5,387,272
- Issue date Feb 7, 1995
- Hitachi, Ltd.
- Yasuo Kamitsuma
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Sliding member, a method for producing same, and usages of same
- Patent number 5,364,248
- Issue date Nov 15, 1994
- Hitachi, Ltd.
- Shoichi Nakashima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of manufacturing sintered aluminum alloy parts
- Patent number 5,346,667
- Issue date Sep 13, 1994
- Hitachi, Ltd.
- Yasuo Kamitsuma
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Rotary fluid machine having hollow vanes and refrigeration apparatu...
- Patent number 5,090,882
- Issue date Feb 25, 1992
- Hitachi, Ltd.
- Yukio Serizawa
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Sliding structure such as compressor or the like
- Patent number 5,087,181
- Issue date Feb 11, 1992
- Hitachi, Ltd.
- Yasuo Kamitsuma
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Rotary compressor having oxidizing and nitriding surface treatment
- Patent number 4,944,663
- Issue date Jul 31, 1990
- Hitachi, Ltd.
- Tadashi Iizuka
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
Bearings for C02 refrigerant compressor use, compressor using the s...
- Publication number 20030231815
- Publication date Dec 18, 2003
- Hiroshi Takayasu
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Tadashi Iizuka

Person

Patents Grantslast 30 patents

Bearings for CO2 refrigerant compressor use, compressor using the s...

Refrigeration cycle

Refrigerating machine oil composition, and refrigeration and compre...

Refrigeration cycle

Refrigerant compressor

Refrigerating apparatus and refrigerant compressor

Rotary type compressor

Refrigeration apparatus containing lubricant composition

Rotary compressor and blade tip structure

Compressor scroll made of silicon containing aluminum alloy

Lubricant for refrigeration compressors

Iron-base alloy for rotary type compressors

Lubricant composition, refrigeration apparatus containing same and...

Highly ductile sintered aluminum alloy, method for production there...

Sliding member, a method for producing same, and usages of same

Method of manufacturing sintered aluminum alloy parts

Rotary fluid machine having hollow vanes and refrigeration apparatu...

Sliding structure such as compressor or the like

Rotary compressor having oxidizing and nitriding surface treatment

Patents Applicationslast 30 patents

Bearings for C02 refrigerant compressor use, compressor using the s...