Hiroshi Nishihara

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical pickup apparatus for detecting and correcting focusing and...
- Patent number 5,153,860
- Issue date Oct 6, 1992
- Fuji Photo Film Co., Ltd.
- Hiroshi Sunagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup apparatus for detecting and correcting focusing and...
- Patent number 4,885,732
- Issue date Dec 5, 1989
- Fuji Photo Film Co., Ltd.
- Hiroshi Sunagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optic pickup head including tracking and focusing error cor...
- Patent number 4,868,803
- Issue date Sep 19, 1989
- Fuji Photo Film Co., Ltd.
- Hiroshi Sunagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of producing optical head assembly
- Patent number 4,859,033
- Issue date Aug 22, 1989
- Mitsubishi Denki Kabushiki Kaisha
- Keizo Kono
- G11 - INFORMATION STORAGE
Information Patent Grant
Pickup apparatus for magneto-optical recording medium
- Patent number 4,833,561
- Issue date May 23, 1989
- Fuji Photo Film Co., Ltd.
- Hiroshi Sunagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Light beam scanning read-out apparatus and recording apparatus
- Patent number 4,778,991
- Issue date Oct 18, 1988
- Fuji Photo Film Co., Ltd.
- Nobuharu Nozaki
- G02 - OPTICS
Information Patent Grant
Optical head assembly with efficient light source coupling surface...
- Patent number 4,779,259
- Issue date Oct 18, 1988
- Mitsubishi Denki Kabushiki Kaisha
- Keizo Kono
- G11 - INFORMATION STORAGE

Hiroshi Nishihara

Person

Patents Grantslast 30 patents

Optical pickup apparatus for detecting and correcting focusing and...

Optical pickup apparatus for detecting and correcting focusing and...

Magneto-optic pickup head including tracking and focusing error cor...

Method of producing optical head assembly

Pickup apparatus for magneto-optical recording medium

Light beam scanning read-out apparatus and recording apparatus

Optical head assembly with efficient light source coupling surface...