Masayasu Nihei

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of high frequency pulse arc welding and apparatus therefor
- Patent number 6,225,598
- Issue date May 1, 2001
- Hitachi, Ltd.
- Masayasu Nihei
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of solder bonding and power semiconductor device manufacture...
- Patent number 5,767,577
- Issue date Jun 16, 1998
- Hitachi, Ltd.
- Masayasu Nihei
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of and apparatus for sputtering, and integrated circuit device
- Patent number 5,175,608
- Issue date Dec 29, 1992
- Hitachi, Ltd.
- Masayasu Nihei
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Semiconductor device and method for manufacturing the same
- Patent number 5,051,812
- Issue date Sep 24, 1991
- Hitachi, Ltd.
- Jin Onuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of and apparatus for sputtering
- Patent number 4,999,096
- Issue date Mar 12, 1991
- Hitachi, Ltd.
- Masayasu Nihei
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Thin film forming method through sputtering and sputtering device
- Patent number 4,692,230
- Issue date Sep 8, 1987
- Hitachi, Ltd.
- Masayasu Nihei
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Two electrode welding with different currents supplied to the elect...
- Patent number 4,436,982
- Issue date Mar 13, 1984
- Hitachi, Ltd.
- Satoshi Kokura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of electrode current control in welding apparatus having a p...
- Patent number 4,396,823
- Issue date Aug 2, 1983
- Hitachi, Ltd.
- Masayasu Nihei
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for automatically controlling arc welding
- Patent number 4,280,137
- Issue date Jul 21, 1981
- Hitachi, Ltd.
- Eiji Ashida
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Masayasu Nihei

Person

Patents Grantslast 30 patents

Method of high frequency pulse arc welding and apparatus therefor

Method of solder bonding and power semiconductor device manufacture...

Method of and apparatus for sputtering, and integrated circuit device

Semiconductor device and method for manufacturing the same

Method of and apparatus for sputtering

Thin film forming method through sputtering and sputtering device

Two electrode welding with different currents supplied to the elect...

Method of electrode current control in welding apparatus having a p...

Method and apparatus for automatically controlling arc welding