Katsumi Okayama

Person

Kusatsu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for subjecting rare earth alloy to hydrogenation process...
- Patent number 7,018,485
- Issue date Mar 28, 2006
- Neomax Co., Ltd.
- Akihito Tsujimoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Case for use in sintering process to produce rare-earth magnet, and...
- Patent number 6,743,394
- Issue date Jun 1, 2004
- Sumitomo Special Metals Co., Ltd.
- Akiyasu Oota
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Milling apparatus and milling method
- Patent number 6,736,343
- Issue date May 18, 2004
- Sumitomo Special Metals Co., Ltd.
- Akiyasu Oota
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Method for producing rare-earth magnet
- Patent number 6,696,015
- Issue date Feb 24, 2004
- Sumitomo Special Metals Co., Ltd.
- Koki Tokuhara
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Suspension application apparatus and method for manufacturing rare...
- Patent number 6,548,014
- Issue date Apr 15, 2003
- Sumitomo Special Metals Co., Ltd.
- Hiroyuki Kumokita
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Rare earth magnet and method for manufacturing the same
- Patent number 6,537,385
- Issue date Mar 25, 2003
- Sumitomo Special Metals Co., Ltd.
- Katsumi Okayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rare earth magnet and method for manufacturing the same
- Patent number 6,491,765
- Issue date Dec 10, 2002
- Sumitomo Special Metals Co., Ltd.
- Katsumi Okayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Milling apparatus and milling method
- Patent number 6,474,576
- Issue date Nov 5, 2002
- Sumitomo Special Metals Co., Ltd.
- Akiyasu Oota
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Case for use in sintering process to produce rare-earth magnet, and...
- Patent number 6,464,931
- Issue date Oct 15, 2002
- Sumitomo Special Metals Co., Ltd.
- Akiyasu Oota
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method and apparatus for mixing powder with liquid
- Patent number 6,464,386
- Issue date Oct 15, 2002
- Sumitomo Special Metals Co., Ltd.
- Akiyasu Oota
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Hydrogen pulverizer for rare-earth alloy magnetic material powder u...
- Patent number 6,403,024
- Issue date Jun 11, 2002
- Sumitomo Special Metals Co., Ltd.
- Akiyasu Oota
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for hydrogen-pulverizing a rare earth metal-based magnetic...
- Patent number 6,247,660
- Issue date Jun 19, 2001
- Sumitomo Special Metals Co., Ltd.
- Yasuhiko Imai
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Powder material for rare earth-iron-boron based permanent magnets
- Patent number 5,281,250
- Issue date Jan 25, 1994
- Sumitomo Special Metals Company Limited
- Atsushi Hamamura
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Apparatus for subjecting rare earth alloy to hydrogenation process...
- Publication number 20040000356
- Publication date Jan 1, 2004
- Akihito Tsujimoto
- C21 - METALLURGY OF IRON
Information Patent Application
Rare earth magnet and method for manufacturing the same
- Publication number 20030084964
- Publication date May 8, 2003
- Sumitomo Special Metals Co., Ltd.
- Katsumi Okayama
- B82 - NANO-TECHNOLOGY
Information Patent Application
Rare earth magnet and method for manufacturing the same
- Publication number 20030000600
- Publication date Jan 2, 2003
- Sumitomo Special Metals Co., Ltd.
- Katsumi Okayama
- B82 - NANO-TECHNOLOGY
Information Patent Application
Milling apparatus and milling method
- Publication number 20020166908
- Publication date Nov 14, 2002
- Sumitomo Special Metals Co. Ltd.
- Akiyasu Oota
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
Case for use in sintering process to produce rare-earth magnet, and...
- Publication number 20020159909
- Publication date Oct 31, 2002
- Sumitomo Special Metals Co., Ltd.
- Akiyasu Oota
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Suspension application apparatus and method for manufacturing rare...
- Publication number 20020023583
- Publication date Feb 28, 2002
- Hiroyuki Kumokita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Rare earth magnet and method for manufacturing the same
- Publication number 20020020469
- Publication date Feb 21, 2002
- Katsumi Okayama
- B82 - NANO-TECHNOLOGY
Information Patent Application
Method for producing rare-earth magnet
- Publication number 20020012600
- Publication date Jan 31, 2002
- Koki Tokuhara
- B22 - CASTING POWDER METALLURGY

Katsumi Okayama

Person

Patents Grantslast 30 patents

Apparatus for subjecting rare earth alloy to hydrogenation process...

Case for use in sintering process to produce rare-earth magnet, and...

Milling apparatus and milling method

Method for producing rare-earth magnet

Suspension application apparatus and method for manufacturing rare...

Rare earth magnet and method for manufacturing the same

Rare earth magnet and method for manufacturing the same

Milling apparatus and milling method

Case for use in sintering process to produce rare-earth magnet, and...

Method and apparatus for mixing powder with liquid

Hydrogen pulverizer for rare-earth alloy magnetic material powder u...

Process for hydrogen-pulverizing a rare earth metal-based magnetic...

Powder material for rare earth-iron-boron based permanent magnets

Patents Applicationslast 30 patents

Apparatus for subjecting rare earth alloy to hydrogenation process...

Rare earth magnet and method for manufacturing the same

Rare earth magnet and method for manufacturing the same

Milling apparatus and milling method

Case for use in sintering process to produce rare-earth magnet, and...

Suspension application apparatus and method for manufacturing rare...

Rare earth magnet and method for manufacturing the same

Method for producing rare-earth magnet