Tamotsu Ogawa

Person

Omiya, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing rare earth alloy magnet powder
- Patent number 5,417,773
- Issue date May 23, 1995
- Mitsubishi Materials Corporation
- Ryoji Nakayama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Anisotropic rare earth-Fe-B system and rare earth-Fe-Co-B system ma...
- Patent number 5,395,462
- Issue date Mar 7, 1995
- Mitsubishi Materials Corporation
- Takuo Takeshita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rare earth permanent magnet powder, method for producing same and b...
- Patent number 5,338,371
- Issue date Aug 16, 1994
- Mitsubishi Metal Corporation
- Ryoji Nakayama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Rare earth element-Fe-B or rare earth element-Fe-Co-B permanent mag...
- Patent number 5,250,206
- Issue date Oct 5, 1993
- Mitsubishi Materials Corporation
- Ryoji Nakayama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Rare earth permanent magnet power, method for producing same and bo...
- Patent number 5,228,930
- Issue date Jul 20, 1993
- Mitsubishi Materials Corporation
- Ryoji Nakayama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Rare earth-iron-boron magnet powder and process of producing same
- Patent number 5,110,374
- Issue date May 5, 1992
- Mitsubishi Materials Corporation
- Takuo Takeshita
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Rare earth-iron-boron magnet powder and process of producing same
- Patent number 4,981,532
- Issue date Jan 1, 1991
- Mitsubishi Kinzoku Kabushiki Kaisha
- Takuo Takeshita
- B22 - CASTING POWDER METALLURGY

Tamotsu Ogawa

Person

Patents Grantslast 30 patents

Method for producing rare earth alloy magnet powder

Anisotropic rare earth-Fe-B system and rare earth-Fe-Co-B system ma...

Rare earth permanent magnet powder, method for producing same and b...

Rare earth element-Fe-B or rare earth element-Fe-Co-B permanent mag...

Rare earth permanent magnet power, method for producing same and bo...

Rare earth-iron-boron magnet powder and process of producing same

Rare earth-iron-boron magnet powder and process of producing same