Ryuji Hamada

Person

Takefu-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Rare earth element sintered magnet and method for producing rare ea...
- Patent number 7,438,768
- Issue date Oct 21, 2008
- Shin-Etsu Chemical Co., Ltd.
- Kazuaki Sakaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Corrosion-resistant rare earth element magnet
- Patent number 7,156,928
- Issue date Jan 2, 2007
- Shin-Etsu Chemical Co., Ltd.
- Ryuji Hamada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Corrosion resistant rare earth magnet and its preparation
- Patent number 6,777,097
- Issue date Aug 17, 2004
- Shin-Etsu Chemical Co., Ltd.
- Ryuji Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Preparation of rare earth permanent magnets
- Patent number 6,746,545
- Issue date Jun 8, 2004
- Shin-Etsu Chemical Co., Ltd.
- Kazuo Tamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rare earth permanent magnet of high corrosion resistance
- Patent number 6,224,986
- Issue date May 1, 2001
- Shin-Etsu Chemical Co., Ltd.
- Takehisa Minowa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
CORROSION RESISTANT RARE EARTH MAGNETS AND PROCESS FOR PRODUCTION T...
- Publication number 20090212893
- Publication date Aug 27, 2009
- Shin-Etsu Chemical Co., Ltd.
- Ryuji HAMADA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Corrosion resistant rare earth metal permanent magnets and process...
- Publication number 20070160863
- Publication date Jul 12, 2007
- Shin-Etsu Chemical Co., Ltd.
- Ryuji Hamada
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Rare earth element sintered magnet and method for producing rare ea...
- Publication number 20050028890
- Publication date Feb 10, 2005
- Kazuaki Sakaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Corrosion-resistant rare earth element magnet
- Publication number 20040261909
- Publication date Dec 30, 2004
- Ryuji Hamada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Corrosion resistant rare earth magnet and its preparation
- Publication number 20030079805
- Publication date May 1, 2003
- Ryuji Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Preparation of rare earth permanent magnets
- Publication number 20020033205
- Publication date Mar 21, 2002
- Shin-Etsu Chemical Co., Ltd.
- Kazuo Tamura
- H01 - BASIC ELECTRIC ELEMENTS

Ryuji Hamada

Person

Patents Grantslast 30 patents

Rare earth element sintered magnet and method for producing rare ea...

Corrosion-resistant rare earth element magnet

Corrosion resistant rare earth magnet and its preparation

Preparation of rare earth permanent magnets

Rare earth permanent magnet of high corrosion resistance

Patents Applicationslast 30 patents

CORROSION RESISTANT RARE EARTH MAGNETS AND PROCESS FOR PRODUCTION T...

Corrosion resistant rare earth metal permanent magnets and process...

Rare earth element sintered magnet and method for producing rare ea...

Corrosion-resistant rare earth element magnet

Corrosion resistant rare earth magnet and its preparation

Preparation of rare earth permanent magnets