Kouji Arikawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for optical head and optical information repro...
- Patent number 7,209,416
- Issue date Apr 24, 2007
- Hitachi, Ltd.
- Kouji Arikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for optical head and optical information repro...
- Patent number 6,967,919
- Issue date Nov 22, 2005
- Hitachi, Ltd.
- Kouji Arikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Single means for converting beam widths of plural laser beams with...
- Patent number 6,947,367
- Issue date Sep 20, 2005
- Hitachi, Ltd.
- Shigeru Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser module, optical head and optical information recording and re...
- Patent number 6,778,486
- Issue date Aug 17, 2004
- Hitachi, Ltd.
- Kouji Arikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for optical head and optical information repro...
- Patent number 6,714,506
- Issue date Mar 30, 2004
- Hitachi, Ltd.
- Kouji Arikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head and information recording and reproducing apparatus us...
- Patent number 6,396,790
- Issue date May 28, 2002
- Hitachi, Ltd.
- Kouji Arikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head and information recording and reproducing apparatus us...
- Patent number 6,298,028
- Issue date Oct 2, 2001
- Hitachi, Ltd.
- Kouji Arikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head, bonding glass used therefor and magnetic recording a...
- Patent number 5,239,434
- Issue date Aug 24, 1993
- Hitachi, Ltd.
- Takashi Naito
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus optical head and optical information reproducing
- Publication number 20050183643
- Publication date Aug 25, 2005
- Hitachi, Ltd
- Kouji Arikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for optical head and optical information repro...
- Publication number 20040120245
- Publication date Jun 24, 2004
- Hitachi, Ltd
- Kouji Arikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Optical head and information recording and reproducing apparatus us...
- Publication number 20020012302
- Publication date Jan 31, 2002
- Kouji Arikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Optical head and optical disk device using the same
- Publication number 20010024418
- Publication date Sep 27, 2001
- Shigeru Nakamura
- G11 - INFORMATION STORAGE

Kouji Arikawa

Person

Patents Grantslast 30 patents

Method and apparatus for optical head and optical information repro...

Method and apparatus for optical head and optical information repro...

Single means for converting beam widths of plural laser beams with...

Laser module, optical head and optical information recording and re...

Method and apparatus for optical head and optical information repro...

Optical head and information recording and reproducing apparatus us...

Optical head and information recording and reproducing apparatus us...

Magnetic head, bonding glass used therefor and magnetic recording a...

Patents Applicationslast 30 patents

Method and apparatus optical head and optical information reproducing

Method and apparatus for optical head and optical information repro...

Optical head and information recording and reproducing apparatus us...

Optical head and optical disk device using the same