Keiji Sasao

Person

Tsuchiura, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Refrigerant compressor and refrigeration cycle device
- Patent number 10,047,746
- Issue date Aug 14, 2018
- Hitachi-Johnston Controls Air Conditioning, Inc.
- Masaki Koyama
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Air conditioning apparatus
- Patent number 7,836,712
- Issue date Nov 23, 2010
- Hitachi, Ltd.
- Keiji Sasao
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Optical disk apparatus with openings for discharging air from therein
- Patent number 7,543,310
- Issue date Jun 2, 2009
- Hitachi - LG Data Storage, Inc.
- Mitsukata Shizuya
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc drive unit
- Patent number 7,536,700
- Issue date May 19, 2009
- Hitachi, Ltd.
- Yoshiaki Yamauchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Air conditioning equipment operation system and air conditioning eq...
- Patent number 7,225,171
- Issue date May 29, 2007
- Hitachi, Ltd.
- Hiroshige Kikuchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Air conditioning equipment operation system and air conditioning eq...
- Patent number 6,591,620
- Issue date Jul 15, 2003
- Hitachi, Ltd.
- Hiroshige Kikuchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Air-conditioning controlling system
- Patent number 6,454,177
- Issue date Sep 24, 2002
- Hitachi, Ltd.
- Keiji Sasao
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Organic substance processing system and organic substance processin...
- Patent number 6,206,658
- Issue date Mar 27, 2001
- Hitachi, Ltd.
- Akira Nishioka
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL

Patents Applicationslast 30 patents

Information Patent Application
Refrigerant Compressor and Refrigeration Cycle Device
- Publication number 20150159649
- Publication date Jun 11, 2015
- Hitachi, Ltd
- Masaki Koyama
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Air conditioning apparatus
- Publication number 20070107450
- Publication date May 17, 2007
- Keiji Sasao
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Optical disk apparatus
- Publication number 20060184951
- Publication date Aug 17, 2006
- Hitachi-LG Data Storage, Inc.
- Mitsukata Shizuya
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk apparatus
- Publication number 20060026610
- Publication date Feb 2, 2006
- Hitachi, Ltd
- Keiji Sasao
- G11 - INFORMATION STORAGE
Information Patent Application
Disc drive unit
- Publication number 20050210493
- Publication date Sep 22, 2005
- Hitachi, Ltd
- Yoshiaki Yamauchi
- G11 - INFORMATION STORAGE
Information Patent Application
Air conditioning equipment operation system and air conditioning eq...
- Publication number 20030192328
- Publication date Oct 16, 2003
- Hiroshige Kikuchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Air conditioning equipment operation system and air conditioning eq...
- Publication number 20030070438
- Publication date Apr 17, 2003
- Hiroshige Kikuchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electric appliance renting system
- Publication number 20020128853
- Publication date Sep 12, 2002
- Hiroshige Kikuchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Air-conditioning controlling system
- Publication number 20020033252
- Publication date Mar 21, 2002
- Keiji Sasao
- F24 - HEATING RANGES VENTILATING

Keiji Sasao

Person

Patents Grantslast 30 patents

Refrigerant compressor and refrigeration cycle device

Air conditioning apparatus

Optical disk apparatus with openings for discharging air from therein

Disc drive unit

Air conditioning equipment operation system and air conditioning eq...

Air conditioning equipment operation system and air conditioning eq...

Air-conditioning controlling system

Organic substance processing system and organic substance processin...

Patents Applicationslast 30 patents

Refrigerant Compressor and Refrigeration Cycle Device

Air conditioning apparatus

Optical disk apparatus

Optical disk apparatus

Disc drive unit

Air conditioning equipment operation system and air conditioning eq...

Air conditioning equipment operation system and air conditioning eq...

Electric appliance renting system

Air-conditioning controlling system