Yoshiharu Fujioka

Person

Yamato, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Substrate unit for optical head and method for manufacturing the same
- Patent number 6,760,297
- Issue date Jul 6, 2004
- Kabushiki Kaisha Toshiba
- Yoshiharu Fujioka
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a magnetic head
- Patent number 5,333,372
- Issue date Aug 2, 1994
- Kabushiki Kaisha Toshiba
- Yoshiharu Fujioka
- G11 - INFORMATION STORAGE
Information Patent Grant
Manufacturing method for a magnetic disk recording reproducing head...
- Patent number 4,962,584
- Issue date Oct 16, 1990
- Kabushiki Kaisha Toshiba
- Kyoya Matsuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head device having sloped sliding surface which is formed...
- Patent number 4,910,621
- Issue date Mar 20, 1990
- Kabushiki Kaisha Toshiba
- Kyoya Matsuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head device with back core integral in holder shell
- Patent number 4,748,527
- Issue date May 31, 1988
- Kabushiki Kaisha Toshiba
- Yoshiharu Fujioka
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotary thin film magnetic head device
- Patent number 4,609,960
- Issue date Sep 2, 1986
- Tokyo Shibaura Denki Kabushiki Kaisha
- Yoshiharu Fujioka
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording head
- Patent number 4,562,503
- Issue date Dec 31, 1985
- Tokyo Shibaura Denki Kabushiki Kaisha
- Yoshiharu Fujioka
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotary magnetic head
- Patent number 4,509,084
- Issue date Apr 2, 1985
- Tokyo Shibaura Denki Kabushiki Kaisha
- Yoshiharu Fujioka
- G11 - INFORMATION STORAGE
Information Patent Grant
Composite magnetic head structure and process for manufacturing the...
- Patent number 4,423,550
- Issue date Jan 3, 1984
- Tokyo Shibaura Denki Kabushiki Kaisha
- Yoshiharu Fujioka
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Light wavelength converter and method of manufacturing the same
- Publication number 20040233512
- Publication date Nov 25, 2004
- Kabushiki Kaisha Toshiba
- Yoshiharu Fujioka
- G02 - OPTICS
Information Patent Application
Substrate unit for optical head and method for manufacturing the same
- Publication number 20020159379
- Publication date Oct 31, 2002
- Yoshiharu Fujioka
- G11 - INFORMATION STORAGE

Yoshiharu Fujioka

Person

Patents Grantslast 30 patents

Substrate unit for optical head and method for manufacturing the same

Method of manufacturing a magnetic head

Manufacturing method for a magnetic disk recording reproducing head...

Magnetic head device having sloped sliding surface which is formed...

Magnetic head device with back core integral in holder shell

Rotary thin film magnetic head device

Perpendicular magnetic recording head

Rotary magnetic head

Composite magnetic head structure and process for manufacturing the...

Patents Applicationslast 30 patents

Light wavelength converter and method of manufacturing the same

Substrate unit for optical head and method for manufacturing the same