Mitsuhiko Yoshikawa

Person

Nara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Thermal head for thermal recording machine
- Patent number 5,252,988
- Issue date Oct 12, 1993
- Sharp Kabushiki Kaisha
- Hiroyuki Katayama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thin film magnetic head with reduced internal stresses
- Patent number 5,225,951
- Issue date Jul 6, 1993
- Sharp Kabushiki Kaisha
- Tohru Kira
- G11 - INFORMATION STORAGE
Information Patent Grant
Yoke thin film magnetic head constructed to avoid Barkhausen noises
- Patent number 5,155,644
- Issue date Oct 13, 1992
- Sharp Kabushiki Kaisha
- Tohru Kira
- G11 - INFORMATION STORAGE
Information Patent Grant
Image sensor having clamp connecting sensing and driving components
- Patent number 5,142,137
- Issue date Aug 25, 1992
- Sharp Kabushiki Kaisha
- Masahiko Kushino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Planar conductive piece with electrical anisotrophy
- Patent number 4,929,803
- Issue date May 29, 1990
- Sharp Kabushiki Kaisha
- Masaru Yoshida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Perpendicular magnetic recording medium
- Patent number 4,824,539
- Issue date Apr 25, 1989
- Sharp Kabushiki Kaisha
- Tomohisa Komoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing thin film magnetic head
- Patent number 4,816,946
- Issue date Mar 28, 1989
- Sharp Kabushiki Kaisha
- Toru Kira
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film yoke-type magnetoresistive head
- Patent number 4,803,581
- Issue date Feb 7, 1989
- Sharp Kabushiki Kaisha
- Toru Kira
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head with an application type silicon dioxide film
- Patent number 4,789,910
- Issue date Dec 6, 1988
- Sharp Kabushiki Kaisha
- Kozi Otsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head core
- Patent number 4,735,865
- Issue date Apr 5, 1988
- Sharp Kabushiki Kaisha
- Kumio Nago
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Perpendicular magnetic recording medium
- Patent number 4,725,482
- Issue date Feb 16, 1988
- Sharp Kabushiki Kaisha
- Tomohisa Komoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Production of thin film magnetic head
- Patent number 4,702,794
- Issue date Oct 27, 1987
- Sharp Kabushiki Kaisha
- Tsuneo Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Production method of a high magnetic permeability alloy film
- Patent number 4,702,935
- Issue date Oct 27, 1987
- Sharp Kabushiki Kaisha
- Masaru Kadono
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for preparing soft magnetic film of Permalloy
- Patent number 4,699,702
- Issue date Oct 13, 1987
- Sharp Kabushiki Kaisha
- Ryoji Minakata
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of production of thin film magnetic head and magnetic head
- Patent number 4,677,036
- Issue date Jun 30, 1987
- Sharp Kabushiki Kaisha
- Tsuneo Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head having a magnetized ferromagnetic film on t...
- Patent number 4,639,806
- Issue date Jan 27, 1987
- Sharp Kabushiki Kaisha
- Toru Kira
- G11 - INFORMATION STORAGE
Information Patent Grant
Production method of a high magnetic permeability film
- Patent number 4,592,923
- Issue date Jun 3, 1986
- Sharp Kabushiki Kaisha
- Masaru Kadono
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Mitsuhiko Yoshikawa

Person

Patents Grantslast 30 patents

Thermal head for thermal recording machine

Thin film magnetic head with reduced internal stresses

Yoke thin film magnetic head constructed to avoid Barkhausen noises

Image sensor having clamp connecting sensing and driving components

Planar conductive piece with electrical anisotrophy

Perpendicular magnetic recording medium

Method of manufacturing thin film magnetic head

Thin film yoke-type magnetoresistive head

Thin film magnetic head with an application type silicon dioxide film

Magnetic head core

Perpendicular magnetic recording medium

Production of thin film magnetic head

Production method of a high magnetic permeability alloy film

Process for preparing soft magnetic film of Permalloy

Method of production of thin film magnetic head and magnetic head

Thin film magnetic head having a magnetized ferromagnetic film on t...

Production method of a high magnetic permeability film