Toyoda Atsushi

Person

Hamamatsu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Thin film magnetic head with special shaped pole and manufacture me...
- Patent number 6,010,753
- Issue date Jan 4, 2000
- Yamaha Corporation
- Shigeru Shouji
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head having a lower pole shaped to improve repro...
- Patent number 5,978,187
- Issue date Nov 2, 1999
- Yamaha Corporation
- Shigeru Shouji
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a magneto-resistive reading head with reduc...
- Patent number 5,943,763
- Issue date Aug 31, 1999
- Yamaha Corporation
- Shigeru Shouji
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetoresistive head having a magnetoresistive element with bent p...
- Patent number 5,926,348
- Issue date Jul 20, 1999
- Yamaha Corporation
- Shigeru Shouji
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetoresistive thin film magnetic head with specific shapes of leads
- Patent number 5,907,459
- Issue date May 25, 1999
- Yamaha Corporation
- Shigeru Shouji
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of manufacturing a thin film magnetic head
- Patent number 5,903,460
- Issue date May 11, 1999
- Yamaha Corporation
- Shigeru Syouji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magneto-resistive reading head with two slanted longitudinal bias f...
- Patent number 5,880,910
- Issue date Mar 9, 1999
- Yamaha Corporation
- Shigeru Shouji
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of making a magnetoresistive thin film magnetic head with sp...
- Patent number 5,809,636
- Issue date Sep 22, 1998
- Yamaha Corporation
- Shigeru Shouji
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thin film magnetic head with pole having variable thickness
- Patent number 5,734,536
- Issue date Mar 31, 1998
- Yamaha Corporation
- Shigeru Shouji
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of making an induction and magnetoresistance type composite...
- Patent number 5,722,157
- Issue date Mar 3, 1998
- Yamaha Corporation
- Shigeru Shouji
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of lapping for producing one-side curved surface adapted for...
- Patent number 5,713,123
- Issue date Feb 3, 1998
- Yamaha Corporation
- Atsushi Toyoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-resistive reading head with reduced side-lobe
- Patent number 5,668,686
- Issue date Sep 16, 1997
- Yamaha Corporation
- Shigeru Shouji
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a thin film magnetic head
- Patent number 5,566,075
- Issue date Oct 15, 1996
- Yamaha Corporation
- Shigeru Syouji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Thin film magnetic head having a multilayer upper core
- Patent number 5,559,653
- Issue date Sep 24, 1996
- Yamaha Corporation
- Shigeru Shouji
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head having a variable thickness magnetic layer
- Patent number 5,479,310
- Issue date Dec 26, 1995
- Yamaha Corporation
- Toyoda Atsushi
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head having multilayer winding structure
- Patent number 5,124,870
- Issue date Jun 23, 1992
- Yamaha Corporation
- Atsushi Toyoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin-film magnetic head
- Patent number 5,047,886
- Issue date Sep 10, 1991
- Yamaha Corporation
- Atsushi Toyoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for producing a thin film head
- Patent number 4,947,541
- Issue date Aug 14, 1990
- Yamaha Corporation
- Atsushi Toyoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of producing a thin film magnetic head
- Patent number 4,896,417
- Issue date Jan 30, 1990
- Yamaha Corporation
- Shuichi Sawada
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for producing a magnetic recording medium
- Patent number 4,764,259
- Issue date Aug 16, 1988
- Nippon Gakki Seizo Kabushiki Kaisha
- Katsumi Itou
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Substrate for magnetic recording media
- Patent number 4,751,050
- Issue date Jun 14, 1988
- Nippon Gakki Seizo Kabushiki Kaisha
- Atsushi Toyoda
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Covering film for casting process by vacuum sealed molding
- Patent number 4,199,641
- Issue date Apr 22, 1980
- Nippon Gakki Seizo Kabushiki Kaisha
- Syunji Aono
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for manufacturing a mold for metal casting
- Patent number 4,157,109
- Issue date Jun 5, 1979
- Nippon Gakki Seizo Kabushiki Kaisha
- Atsushi Toyoda
- B22 - CASTING POWDER METALLURGY

Toyoda Atsushi

Person

Patents Grantslast 30 patents

Thin film magnetic head with special shaped pole and manufacture me...

Thin film magnetic head having a lower pole shaped to improve repro...

Method of manufacturing a magneto-resistive reading head with reduc...

Magnetoresistive head having a magnetoresistive element with bent p...

Magnetoresistive thin film magnetic head with specific shapes of leads

Method of manufacturing a thin film magnetic head

Magneto-resistive reading head with two slanted longitudinal bias f...

Method of making a magnetoresistive thin film magnetic head with sp...

Thin film magnetic head with pole having variable thickness

Method of making an induction and magnetoresistance type composite...

Method of lapping for producing one-side curved surface adapted for...

Magneto-resistive reading head with reduced side-lobe

Method of manufacturing a thin film magnetic head

Thin film magnetic head having a multilayer upper core

Thin film magnetic head having a variable thickness magnetic layer

Thin film magnetic head having multilayer winding structure

Thin-film magnetic head

Method for producing a thin film head

Method of producing a thin film magnetic head

Method for producing a magnetic recording medium

Substrate for magnetic recording media

Covering film for casting process by vacuum sealed molding

Method for manufacturing a mold for metal casting