Toshiyuki Kase

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical system for optical disk drive
- Patent number 6,529,465
- Issue date Mar 4, 2003
- PENTAX Corporation
- Toshiyuki Kase
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical data recording/reproducing device
- Patent number 6,411,588
- Issue date Jun 25, 2002
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Toshiyuki Kase
- G11 - INFORMATION STORAGE
Information Patent Grant
Evaluating system for a dual focus lens
- Patent number 6,018,393
- Issue date Jan 25, 2000
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Suguru Takishima
- G01 - MEASURING TESTING
Information Patent Grant
Lens inclination adjustment system using an interferometer
- Patent number 5,917,599
- Issue date Jun 29, 1999
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Hiroshi Nishikawa
- G01 - MEASURING TESTING
Information Patent Grant
Lens Inclination Adjustment System
- Patent number 5,896,362
- Issue date Apr 20, 1999
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Isao Okuda
- G02 - OPTICS
Information Patent Grant
Inclination monitoring system
- Patent number 5,894,370
- Issue date Apr 13, 1999
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Isao Okuda
- G02 - OPTICS
Information Patent Grant
Inclination monitoring system including reflection of collimated light
- Patent number 5,883,709
- Issue date Mar 16, 1999
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Isao Okuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Collimating lens unit
- Patent number 5,805,363
- Issue date Sep 8, 1998
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Isao Okuda
- G02 - OPTICS
Information Patent Grant
Information reproducing device
- Patent number 5,790,501
- Issue date Aug 4, 1998
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Toshiyuki Kase
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of adjusting beam axis of optical pick-up
- Patent number 5,751,491
- Issue date May 12, 1998
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Toshiyuki Kase
- G02 - OPTICS
Information Patent Grant
Phase compensation of optical elements by tilting a half wave plate...
- Patent number 5,740,147
- Issue date Apr 14, 1998
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Toshiyuki Kase
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical data recording and reproducing apparatus including non-circ...
- Patent number 5,663,939
- Issue date Sep 2, 1997
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Toshiyuki Kase
- G11 - INFORMATION STORAGE
Information Patent Grant
Inclination of an objective lens in an optical information system
- Patent number 5,553,052
- Issue date Sep 3, 1996
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masahiro Oono
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus
- Patent number 5,434,835
- Issue date Jul 18, 1995
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Hisashi Konno
- G11 - INFORMATION STORAGE
Information Patent Grant
Device for and method of reducing cross talk in optical disk device
- Patent number 5,373,437
- Issue date Dec 13, 1994
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Tsuyoshi Itoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal sensing device of magneto-optic disk device for detecting er...
- Patent number 5,337,300
- Issue date Aug 9, 1994
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Suguru Takishima
- G11 - INFORMATION STORAGE
Information Patent Grant
Wave front aberration measuring apparatus having means for adjustin...
- Patent number 5,317,144
- Issue date May 31, 1994
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masahiro Oono
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optic recording/reproduction apparatus for minimizing varia...
- Patent number 5,297,114
- Issue date Mar 22, 1994
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Tsuyoshi Itoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus having a focusing error correcting system
- Patent number 5,280,464
- Issue date Jan 18, 1994
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Tsuyoshi Itoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Wave front aberration measuring apparatus
- Patent number 5,157,459
- Issue date Oct 20, 1992
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masahiro Oono
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical system for optical disk drive
- Publication number 20010026524
- Publication date Oct 4, 2001
- ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
- Toshiyuki Kase
- G11 - INFORMATION STORAGE

Toshiyuki Kase

Person

Patents Grantslast 30 patents

Optical system for optical disk drive

Optical data recording/reproducing device

Evaluating system for a dual focus lens

Lens inclination adjustment system using an interferometer

Lens Inclination Adjustment System

Inclination monitoring system

Inclination monitoring system including reflection of collimated light

Collimating lens unit

Information reproducing device

Method of adjusting beam axis of optical pick-up

Phase compensation of optical elements by tilting a half wave plate...

Optical data recording and reproducing apparatus including non-circ...

Inclination of an objective lens in an optical information system

Optical disk apparatus

Device for and method of reducing cross talk in optical disk device

Signal sensing device of magneto-optic disk device for detecting er...

Wave front aberration measuring apparatus having means for adjustin...

Magneto-optic recording/reproduction apparatus for minimizing varia...

Optical disk apparatus having a focusing error correcting system

Wave front aberration measuring apparatus

Patents Applicationslast 30 patents

Optical system for optical disk drive