Koichiro Hayashi

Person

Kashiwa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Alloy powder for forming hard phase and ferriferous mixed powder us...
- Patent number 7,601,196
- Issue date Oct 13, 2009
- Hitachi Powdered Metals Co., Ltd.
- Hideaki Kawata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Alloy powder for forming hard phase and ferriferous mixed powder us...
- Patent number 7,294,167
- Issue date Nov 13, 2007
- Hitachi Powdered Metals Co., Ltd.
- Hideaki Kawata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Valve guide for internal combustion engine made from iron base sint...
- Patent number 7,040,601
- Issue date May 9, 2006
- Hitachi Powdered Metals Co., Ltd.
- Katsunao Chikahata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Turbo component for turbocharger
- Patent number 6,852,143
- Issue date Feb 8, 2005
- Hitachi Powdered Metals Co., Ltd.
- Koichiro Hayashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Valve seat for internal combustion engines
- Patent number 6,660,056
- Issue date Dec 9, 2003
- Hitachi Powdered Metals Co., Ltd.
- Koichiro Hayashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Material for valve guides
- Patent number 6,616,726
- Issue date Sep 9, 2003
- Hitachi Powdered Metals Co., Ltd.
- Katsunao Chikahata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Wear resistant sintered member
- Patent number 6,562,098
- Issue date May 13, 2003
- Hitachi Powdered Metals Co., Ltd.
- Hiroki Fujitsuka
- 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
Sintered alloy having superior wear resistance
- Patent number 6,302,937
- Issue date Oct 16, 2001
- Hitachi Powdered Metals, Co., Ltd.
- Koichiro Hayashi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sintered alloy having superb wear resistance and process for produc...
- Patent number 6,251,157
- Issue date Jun 26, 2001
- Hitachi Powdered Metals Co., Ltd.
- Yoshimasa Aoki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Valve guide and process for manufacturing thereof
- Patent number 6,012,703
- Issue date Jan 11, 2000
- Hitachi Powdered Metals Co., Ltd.
- Koichiro Hayashi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sintered alloy having superb wear resistance and process for produc...
- Patent number 5,952,590
- Issue date Sep 14, 1999
- Hitachi Powdered Metals Co., Ltd.
- Hideaki Kawata
- 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
Wear-resistant sintered alloy, and its production method
- Patent number 5,834,664
- Issue date Nov 10, 1998
- Hitachi Powdered Metals Co., Ltd.
- Koichi Aonuma
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Wear-resistant sintered alloy, and its production method
- Patent number 5,824,922
- Issue date Oct 20, 1998
- Hitachi Powdered Metals Co., Ltd.
- Koichi Aonuma
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Sintered iron alloy composition and method of manufacturing the same
- Patent number 5,326,526
- Issue date Jul 5, 1994
- Hitachi Powdered Metals Co., Ltd.
- Yutaka Ikenoue
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Sintered metal parts and their production method
- Patent number 5,259,860
- Issue date Nov 9, 1993
- 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
Alloy powder for forming hard phase and ferriferous mixed powder us...
- Publication number 20070169585
- Publication date Jul 26, 2007
- Hitachi Powdered Metals Co., Ltd.
- Hideaki Kawata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Alloy powder for forming hard phase and ferriferous mixed powder us...
- Publication number 20060207386
- Publication date Sep 21, 2006
- HITACHI POWDER METALS CO., LTD.
- Hideaki Kawata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Sintered valve guide and manufacturing method thereof
- Publication number 20060032328
- Publication date Feb 16, 2006
- Katsunao Chikahata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Alloy powder for forming hard phase and ferriferous mixed powder us...
- Publication number 20050132842
- Publication date Jun 23, 2005
- Hitachi Powdered Metals Co., Ltd.
- Hideaki Kawata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Valve guide for internal combustion engine made from iron base sint...
- Publication number 20050040358
- Publication date Feb 24, 2005
- Hitachi Powdered Metals Co., Ltd.
- Katsunao Chikahata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Turbo component for turbocharger
- Publication number 20020139448
- Publication date Oct 3, 2002
- Hitachi Powdered Metals Co., Ltd.
- Koichiro Hayashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Material for valve guides
- Publication number 20020023518
- Publication date Feb 28, 2002
- Katsunao Chikahata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Valve seat for internal combustion engines
- Publication number 20010037842
- Publication date Nov 8, 2001
- Koichiro Hayashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Koichiro Hayashi

Person

Patents Grantslast 30 patents

Alloy powder for forming hard phase and ferriferous mixed powder us...

Alloy powder for forming hard phase and ferriferous mixed powder us...

Valve guide for internal combustion engine made from iron base sint...

Turbo component for turbocharger

Valve seat for internal combustion engines

Material for valve guides

Wear resistant sintered member

High-temperature wear-resistant sintered alloy

Sintered alloy having superior wear resistance

Sintered alloy having superb wear resistance and process for produc...

Valve guide and process for manufacturing thereof

Sintered alloy having superb wear resistance and process for produc...

High-temperature wear-resistant sintered alloy

Wear-resistant sintered alloy, and its production method

Wear-resistant sintered alloy, and its production method

Sintered iron alloy composition and method of manufacturing the same

Sintered metal parts and their production method

Patents Applicationslast 30 patents

Alloy powder for forming hard phase and ferriferous mixed powder us...

Alloy powder for forming hard phase and ferriferous mixed powder us...

Sintered valve guide and manufacturing method thereof

Alloy powder for forming hard phase and ferriferous mixed powder us...

Valve guide for internal combustion engine made from iron base sint...

Turbo component for turbocharger

Material for valve guides

Valve seat for internal combustion engines