Naoyuki Ishigaki

Person

Shiga, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Minute high-performance rare earth magnet for micromini product and...
- Patent number 7,402,226
- Issue date Jul 22, 2008
- Japan Science and Technology Agency
- Kenichi Machida
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Monolithically bonded construct of rare-earth magnet and metal mate...
- Patent number 6,331,214
- Issue date Dec 18, 2001
- Kabushiki Kaisha Meidensha
- Masaki Koga
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process for producing compound for rare earth metal resin-bonded ma...
- Patent number 6,221,270
- Issue date Apr 24, 2001
- Sumitomo Special Metal Co., Ltd.
- Katsuyoshi Saito
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
R-FE-B permanent magnet materials and process of producing the same
- Patent number 5,788,782
- Issue date Aug 4, 1998
- Sumitomo Special Metals Co., Ltd.
- Yuji Kaneko
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Fabrication methods for R-Fe-B permanent magnets
- Patent number 5,666,635
- Issue date Sep 9, 1997
- Sumitomo Special Metals Co., Ltd.
- Yuji Kaneko
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Powder mixture for use in compaction to produce rare earth iron sin...
- Patent number 5,527,504
- Issue date Jun 18, 1996
- Sumitomo Metal Industries, Ltd.
- Yoshihisa Kishimoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Powder mixture for use in compaction to produce rare earth iron sin...
- Patent number 5,486,224
- Issue date Jan 23, 1996
- Sumitomo Metal Industries, Ltd.
- Yoshihisa Kishimoto
- 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 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
Information Patent Grant
Permanent magnetic alloy
- Patent number 4,484,957
- Issue date Nov 27, 1984
- Sumitomo Special Metals Co., Ltd.
- Akira Higuchi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Minute high-performance rare earth magnet for micromini product and...
- Publication number 20060278517
- Publication date Dec 14, 2006
- Japan Science and Technology Agency
- Kenichi Machida
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Rare earth magnet and method for manufacturing the same
- Publication number 20020020469
- Publication date Feb 21, 2002
- Katsumi Okayama
- B82 - NANO-TECHNOLOGY

Naoyuki Ishigaki

Person

Patents Grantslast 30 patents

Minute high-performance rare earth magnet for micromini product and...

Rare earth magnet and method for manufacturing the same

Rare earth magnet and method for manufacturing the same

Monolithically bonded construct of rare-earth magnet and metal mate...

Process for producing compound for rare earth metal resin-bonded ma...

R-FE-B permanent magnet materials and process of producing the same

Fabrication methods for R-Fe-B permanent magnets

Powder mixture for use in compaction to produce rare earth iron sin...

Powder mixture for use in compaction to produce rare earth iron sin...

Rare earth alloy powder used in production of permanent magnets

Process for producing the rare earth alloy powders

Method for producing rare earth alloy

Process for producing the rare earth alloy powders

Permanent magnetic alloy

Patents Applicationslast 30 patents

Minute high-performance rare earth magnet for micromini product and...

Rare earth magnet and method for manufacturing the same

Rare earth magnet and method for manufacturing the same

Rare earth magnet and method for manufacturing the same