Takashi Obara

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Thick cold rolled steel sheet excellent in deep drawability and met...
- Patent number 6,217,680
- Issue date Apr 17, 2001
- Kawasaki Steel Corporation
- Yoshikazu Kawabata
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength high-workability cold rolled steel sheet having excel...
- Patent number 6,210,496
- Issue date Apr 3, 2001
- Kawasaki Steel Corporation
- Syusaku Takagi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Coated seizure-hardening type cold-rolled steel sheet having excell...
- Patent number 6,171,412
- Issue date Jan 9, 2001
- Kawasaki Steel Corporation
- Saiji Matsuoka
- C21 - METALLURGY OF IRON
Information Patent Grant
Thin steel sheet having excellent rectangular drawability and produ...
- Patent number 6,103,394
- Issue date Aug 15, 2000
- Kawasaki Steel Corporation
- Kaneharu Okuda
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cold rolled steel sheet and method of making
- Patent number 6,027,581
- Issue date Feb 22, 2000
- Kawasaki Steel Corporation
- Kazunori Osawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Non-oriented electromagnetic steel sheet with low iron loss after s...
- Patent number 5,942,051
- Issue date Aug 24, 1999
- Kawasaki Steel Corporation
- Minoru Takashima
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot rolled steel sheets and method of producing the same
- Patent number 5,853,503
- Issue date Dec 29, 1998
- Kawasaki Steel Corporation
- Kazuhiro Seto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Non-oriented electromagnetic steel sheet with low iron loss after s...
- Patent number 5,730,810
- Issue date Mar 24, 1998
- Kawasaki Steel Corporation
- Minoru Takashima
- C21 - METALLURGY OF IRON
Information Patent Grant
Low leakage flux, non-oriented electromagnetic steel sheet, and cor...
- Patent number 5,676,770
- Issue date Oct 14, 1997
- Kawasaki Steel Corporation
- Keiji Sato
- C21 - METALLURGY OF IRON
Information Patent Grant
Non-oriented silicon steel sheet and method
- Patent number 5,676,771
- Issue date Oct 14, 1997
- Kawasaki Steel Corporation
- Koji Yano
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for producing non-oriented electromagnetic steel strip capa...
- Patent number 5,639,315
- Issue date Jun 17, 1997
- Kawasaki Steel Corporation
- Minoru Takashima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of producing non-oriented electromagnetic steel strip having...
- Patent number 5,413,640
- Issue date May 9, 1995
- Kawasaki Steel Corporation
- Masahiko Manabe
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of producing grain oriented silicon steel sheets having impr...
- Patent number 5,296,050
- Issue date Mar 22, 1994
- Kawasaki Steel Corporation
- Toshito Takamiya
- C21 - METALLURGY OF IRON
Information Patent Grant
Cold rolled steel sheets having improved spot weldability
- Patent number 5,089,068
- Issue date Feb 18, 1992
- Kawasaki Steel Corporation
- Susumu Okada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing cold rolled steel sheets having improved spot...
- Patent number 4,889,566
- Issue date Dec 26, 1989
- Kawasaki Steel Corporation
- Susumu Okada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of manufacturing formable as-rolled thin steel sheets
- Patent number 4,861,390
- Issue date Aug 29, 1989
- Kawasaki Steel Corporation
- Susumu Satoh
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of manufacturing cold-rolled steel sheets
- Patent number 4,818,299
- Issue date Apr 4, 1989
- Kawasaki Steel Corporation
- Susumu Sato
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of producing thin steel sheets having an improved processabi...
- Patent number 4,793,401
- Issue date Dec 27, 1988
- Kawasaki Steel Corporation
- Saiji Matsuoka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cold rolled steel sheets having an improved press formability
- Patent number 4,775,599
- Issue date Oct 4, 1988
- Kawasaki Steel Corporation
- Saiji Matsuoka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cold-rolled steel sheets
- Patent number 4,750,952
- Issue date Jun 14, 1988
- Kawasaki Steel Corporation
- Susumu Sato
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of making cold rolled dual-phase structure steel sheet havin...
- Patent number 4,708,748
- Issue date Nov 24, 1987
- Kawasaki Steel Corporation
- Susumu Satoh
- C21 - METALLURGY OF IRON
Information Patent Grant
Production of formable thin steel sheet excellent in ridging resist...
- Patent number 4,676,844
- Issue date Jun 30, 1987
- Kawasaki Steel Corporation
- Susumu Satoh
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cold rolled dual-phase structure steel sheet having an excellent de...
- Patent number 4,615,749
- Issue date Oct 7, 1986
- Kawasaki Steel Corporation
- Susumu Satoh
- C21 - METALLURGY OF IRON
Information Patent Grant
Production of a base steel sheet to be surface-treated which is to...
- Patent number 4,586,965
- Issue date May 6, 1986
- Kawasaki Steel Corporation
- Takashi Obara
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of producing cold rolled steel sheets for deep drawing
- Patent number 4,576,656
- Issue date Mar 18, 1986
- Kawasaki Steel Corporation
- Susumu Satoh
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of manufacturing T-3 grade low temper black plates
- Patent number 4,561,909
- Issue date Dec 31, 1985
- Kawasaki Steel Corporation
- Hideo Sunami
- C21 - METALLURGY OF IRON

Takashi Obara

Person

Patents Grantslast 30 patents

Thick cold rolled steel sheet excellent in deep drawability and met...

High-strength high-workability cold rolled steel sheet having excel...

Coated seizure-hardening type cold-rolled steel sheet having excell...

Thin steel sheet having excellent rectangular drawability and produ...

Cold rolled steel sheet and method of making

Non-oriented electromagnetic steel sheet with low iron loss after s...

Hot rolled steel sheets and method of producing the same

Non-oriented electromagnetic steel sheet with low iron loss after s...

Low leakage flux, non-oriented electromagnetic steel sheet, and cor...

Non-oriented silicon steel sheet and method

Process for producing non-oriented electromagnetic steel strip capa...

Method of producing non-oriented electromagnetic steel strip having...

Method of producing grain oriented silicon steel sheets having impr...

Cold rolled steel sheets having improved spot weldability

Method for producing cold rolled steel sheets having improved spot...

Method of manufacturing formable as-rolled thin steel sheets

Method of manufacturing cold-rolled steel sheets

Method of producing thin steel sheets having an improved processabi...

Cold rolled steel sheets having an improved press formability

Cold-rolled steel sheets

Method of making cold rolled dual-phase structure steel sheet havin...

Production of formable thin steel sheet excellent in ridging resist...

Cold rolled dual-phase structure steel sheet having an excellent de...

Production of a base steel sheet to be surface-treated which is to...

Method of producing cold rolled steel sheets for deep drawing

Method of manufacturing T-3 grade low temper black plates