Tsuyoshi Itoh

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical recording medium-manufacturing apparatus
- Patent number 7,270,527
- Issue date Sep 18, 2007
- TDK Corporation
- Junichi Ide
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium-manufacturing apparatus
- Patent number 7,096,770
- Issue date Aug 29, 2006
- TDK Corporation
- Junichi Ide
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium-manufacturing apparatus
- Patent number 7,047,859
- Issue date May 23, 2006
- TDK Corporation
- Junichi Ide
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Beam splitter inspection apparatus and method
- Patent number 5,557,598
- Issue date Sep 17, 1996
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masahiro Oono
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for a adjusting a beam splitter in an optical recording and...
- Patent number 5,410,532
- Issue date Apr 25, 1995
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masahiro Ono
- 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
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
Optical axis adjusting mechanism and method for optical information...
- Patent number 5,223,970
- Issue date Jun 29, 1993
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masahiro Oono
- G02 - OPTICS
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 recording medium-manufacturing apparatus
- Publication number 20040168559
- Publication date Sep 2, 2004
- TDK Corporation
- Junichi Ide
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Cut-forming machine and optical recording medium-manufacturing appa...
- Publication number 20040149115
- Publication date Aug 5, 2004
- TDK Corporation
- Junichi Ide
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
Optical recording medium-manufacturing apparatus
- Publication number 20040149096
- Publication date Aug 5, 2004
- TDK Corporation
- Junichi Ide
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
Optical recording medium-manufacturing apparatus
- Publication number 20040149111
- Publication date Aug 5, 2004
- TDK Corporation
- Junichi Ide
- G11 - INFORMATION STORAGE

Tsuyoshi Itoh

Person

Patents Grantslast 30 patents

Optical recording medium-manufacturing apparatus

Optical recording medium-manufacturing apparatus

Optical recording medium-manufacturing apparatus

Beam splitter inspection apparatus and method

Method for a adjusting a beam splitter in an optical recording and...

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

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

Optical axis adjusting mechanism and method for optical information...

Wave front aberration measuring apparatus

Patents Applicationslast 30 patents

Optical recording medium-manufacturing apparatus

Cut-forming machine and optical recording medium-manufacturing appa...

Optical recording medium-manufacturing apparatus

Optical recording medium-manufacturing apparatus