Takaki Hamada

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing magnets having improved corrosion resistance
- Patent number 5,316,595
- Issue date May 31, 1994
- Sumitomo Special Metals Co., Ltd.
- Takaki Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnets having improved corrosion resistance
- Patent number 5,089,066
- Issue date Feb 18, 1992
- Sumitomo Speical Metals Co., Ltd.
- Takaki Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for producing a corrosion resistant permanent magnet
- Patent number 4,968,529
- Issue date Nov 6, 1990
- Sumitomo Special Metals Co., Ltd.
- Atsushi Hamamura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Corrosion-resistant permanent magnet and method for preparing the same
- Patent number 4,959,273
- Issue date Sep 25, 1990
- Sumitomo Special Metals Co., Ltd.
- Atsushi Hamamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Corrosion resistant permanent magnet
- Patent number 4,942,098
- Issue date Jul 17, 1990
- Sumitomo Special Metals, Co., Ltd.
- Atsushi Hamamura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Rare earth alloy powder used in production of permanent magnets
- Patent number 4,898,613
- Issue date Feb 6, 1990
- Sumitomo Special Metals Co. Ltd.
- Naoyuki Ishigaki
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for producing magnets having improved corrosion resistance
- Patent number 4,837,114
- Issue date Jun 6, 1989
- Sumitomo Special Metals Co., Ltd.
- Takaki Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for producing the rare earth alloy powders
- Patent number 4,770,702
- Issue date Sep 13, 1988
- Sumitomo Special Metals Co., Ltd.
- Naoyuki Ishigaki
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing rare earth alloy
- Patent number 4,769,063
- Issue date Sep 6, 1988
- Sumitomo Special Metals Co., Ltd.
- Naoyuki Ishigaki
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for producing the rare earth alloy powders
- Patent number 4,767,450
- Issue date Aug 30, 1988
- Sumitomo Special Metals Co., Ltd.
- Naoyuki Ishigaki
- B22 - CASTING POWDER METALLURGY

Takaki Hamada

Person

Patents Grantslast 30 patents

Process for producing magnets having improved corrosion resistance

Magnets having improved corrosion resistance

Process for producing a corrosion resistant permanent magnet

Corrosion-resistant permanent magnet and method for preparing the same

Corrosion resistant permanent magnet

Rare earth alloy powder used in production of permanent magnets

Process for producing magnets having improved corrosion resistance

Process for producing the rare earth alloy powders

Method for producing rare earth alloy

Process for producing the rare earth alloy powders