Junji Okita

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Ishioka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Screw compressor system and operating method thereof
- Patent number 6,599,094
- Issue date Jul 29, 2003
- Hitachi, Ltd.
- Kazuya Kanazaki
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Package-type screw compressor
- Patent number 5,613,843
- Issue date Mar 25, 1997
- Hitachi, Ltd.
- Seiji Tsuru
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Package-type screw compressor having coated rotors
- Patent number 5,401,149
- Issue date Mar 28, 1995
- Hitachi, Ltd.
- Seiji Tsuru
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Screw compressing apparatus, rotor temperature control apparatus fo...
- Patent number 5,082,427
- Issue date Jan 21, 1992
- Hitachi, Ltd.
- Mitsuru Fujiwara
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Screw compressor system and operating method thereof
- Publication number 20020071769
- Publication date Jun 13, 2002
- Kazuya Kanazaki
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...