Hiroshi Takayasu

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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
Stainless steel type 13Cr5Ni having high toughness, and usage of th...
- Patent number 5,879,132
- Issue date Mar 9, 1999
- Hitachi, Ltd.
- Kenichi Usami
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Stainless steel type 13Cr5Ni having high toughness, and usage the same
- Patent number 5,601,411
- Issue date Feb 11, 1997
- Hitachi, Ltd.
- Kenichi Usami
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Water turbine and moving blade of water turbine
- Patent number 5,030,064
- Issue date Jul 9, 1991
- Hitachi, Ltd.
- Kenichi Usami
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

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