Kei Ishii

Person

Higashiskatsushika-gun, Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Sintered gear
- Patent number 7,556,864
- Issue date Jul 7, 2009
- Hitachi Powdered Metals Co., Ltd.
- Yuji Yamanishi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sintered sprocket for silent chain and production method therefor
- Patent number 7,309,465
- Issue date Dec 18, 2007
- Nissan Motor Co., Ltd.
- Akira Fujiki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Production method for powdered core
- Patent number 7,273,527
- Issue date Sep 25, 2007
- Hitachi Powdered Metals Co., Ltd.
- Chio Ishihara
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Production method for powdered core
- Patent number 7,211,158
- Issue date May 1, 2007
- Hitachi Powdered Metals Co., Ltd.
- Chio Ishihara
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Mechanical fuse and method of manufacturing the same
- Patent number 7,156,743
- Issue date Jan 2, 2007
- Hitachi Powdered Metals Co., Ltd.
- Tadayuki Tsutsui
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Mechanical fuse and production method for the same
- Patent number 7,078,112
- Issue date Jul 18, 2006
- Hitachi Powdered Metals Co., Ltd.
- Takashi Suzuki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Sintered sprocket for silent chain and production method therefor
- Patent number 7,041,149
- Issue date May 9, 2006
- Nissan Motor Co., Ltd.
- Akira Fujiki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High-temperature wear-resistant sintered alloy
- Patent number 6,340,377
- Issue date Jan 22, 2002
- Hitachi Powdered Metals Co., Ltd.
- Hideaki Kawata
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Good machinability Fe-based sintered alloy and process of manufactu...
- Patent number 6,228,138
- Issue date May 8, 2001
- Hitachi Powdered Metals Co., Ltd.
- Yuuji Yamanishi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Fe-based sintered alloy manufacturing process, Fe-based sintered al...
- Patent number 5,967,110
- Issue date Oct 19, 1999
- Hitachi Powered Metals Co., Ltd.
- Tadayuki Tsutsui
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
High-temperature wear-resistant sintered alloy
- Patent number 5,949,003
- Issue date Sep 7, 1999
- Nissan Motor Co., Ltd.
- Yoshimasa Aoki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Manufacturing process of sintered iron alloy improved in machinabil...
- Patent number 5,819,154
- Issue date Oct 6, 1998
- Hitachi Powdered Metal Co., Ltd.
- Bo Hu
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Source powder for wear-resistant sintered material
- Patent number 5,753,005
- Issue date May 19, 1998
- Hitachi Powdered Metals Co., Ltd.
- Yoshimasa Aoki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing ferrous sintered alloy having quenched structure
- Patent number 5,682,588
- Issue date Oct 28, 1997
- Hitachi Powdered Metals Co., Ltd.
- Tadayuki Tsutsui
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Sintered iron alloy resistant to abrasion at high temperature and m...
- Patent number 5,529,602
- Issue date Jun 25, 1996
- Hitachi Powdered Metals Co., Ltd.
- Kei Ishii
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Sintered machine part and method
- Patent number 5,049,183
- Issue date Sep 17, 1991
- Hitachi Powdered Metals Co., Ltd.
- Tsutomu Saka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Wear resistant iron-base sintered alloy
- Patent number 4,778,522
- Issue date Oct 18, 1988
- Nissan Motor Co., Ltd.
- Yoshihiro Maki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Iron base sintered, wear-resistant materials and method for produci...
- Patent number 4,648,903
- Issue date Mar 10, 1987
- Hitachi Powdered Metals Co., Ltd.
- Yutaka Ikenoue
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Production method for powdered core
- Publication number 20070051430
- Publication date Mar 8, 2007
- Hitachi Powdered Metals Co., Ltd.
- Chio Ishihara
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Sintered sprocket for silent chain and production method therefor
- Publication number 20060171838
- Publication date Aug 3, 2006
- Nissan Motor Co., Ltd.
- Akira Fujiki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Sintered gear
- Publication number 20050272545
- Publication date Dec 8, 2005
- Yuji Yamanishi
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Dust ccre and process for producing the same
- Publication number 20050265883
- Publication date Dec 1, 2005
- Kei Ishii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for producing dust core
- Publication number 20050242460
- Publication date Nov 3, 2005
- Hitachi Powered Metals Co., Ltd.
- Chio Ishihara
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Sintered sprocket for silent chain and production method therefor
- Publication number 20050039575
- Publication date Feb 24, 2005
- Nissan Motor Co., Ltd.
- Akira Fujiki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Sintered sprocket for silent chain and production method therefor
- Publication number 20050028641
- Publication date Feb 10, 2005
- Nissan Motor Co., Ltd.
- Akira Fujiki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Mechanical fuse and production method for the same
- Publication number 20050014016
- Publication date Jan 20, 2005
- Hitachi Powdered Metals Co., Ltd.
- Takashi Suzuki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Mechanical fuse and method of manufacturing the same
- Publication number 20020092146
- Publication date Jul 18, 2002
- Hitachi Powdered Metals Co., Ltd.
- Tadayuki Tsutsui
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Person

Patents Grantslast 30 patents

Sintered gear

Sintered sprocket for silent chain and production method therefor

Production method for powdered core

Production method for powdered core

Mechanical fuse and method of manufacturing the same

Mechanical fuse and production method for the same

Sintered sprocket for silent chain and production method therefor

High-temperature wear-resistant sintered alloy

Good machinability Fe-based sintered alloy and process of manufactu...

Fe-based sintered alloy manufacturing process, Fe-based sintered al...

High-temperature wear-resistant sintered alloy

Manufacturing process of sintered iron alloy improved in machinabil...

Source powder for wear-resistant sintered material

Method for producing ferrous sintered alloy having quenched structure

Sintered iron alloy resistant to abrasion at high temperature and m...

Sintered machine part and method

Wear resistant iron-base sintered alloy

Iron base sintered, wear-resistant materials and method for produci...

Patents Applicationslast 30 patents

Production method for powdered core

Sintered sprocket for silent chain and production method therefor

Sintered gear

Dust ccre and process for producing the same

Method for producing dust core

Sintered sprocket for silent chain and production method therefor

Sintered sprocket for silent chain and production method therefor

Mechanical fuse and production method for the same

Mechanical fuse and method of manufacturing the same