Kenichi Usami

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Hitachi, JP

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Patents Grantslast 30 patents

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...
Information Patent Grant
Method of using a structural member of anti-sulfur-attack cr-ni-al-...
- Patent number 4,802,894
- Issue date Feb 7, 1989
- Hitachi, Ltd.
- Kenichi Usami
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Boiler tube
- Patent number 4,505,232
- Issue date Mar 19, 1985
- Hitachi, Ltd.
- Kenichi Usami
- B32 - LAYERED PRODUCTS
Information Patent Grant
Heat-resistant and corrosion-resistant weld metal alloy and welded...
- Patent number 4,443,406
- Issue date Apr 17, 1984
- Hitachi, Ltd.
- Masayuki Sukekawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR