Katsuji Nakagawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for recording and reproduction on a magneto-optical recordin...
- Patent number 7,113,453
- Issue date Sep 26, 2006
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical reproducing method using a plurality of different r...
- Patent number 6,904,002
- Issue date Jun 7, 2005
- Hitachi Maxell, Ltd.
- Hiroyuki Awano
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic device, magnetic head and magnetic adjustment method
- Patent number 6,707,648
- Issue date Mar 16, 2004
- Nih n University
- Akiyoshi Itoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical reproducing method using a plural of different repr...
- Patent number 6,633,514
- Issue date Oct 14, 2003
- Hitachi Maxell, Ltd.
- Hiroyuki Awano
- G11 - INFORMATION STORAGE
Information Patent Grant
Electrostatic force detector with cantilever for an electrostatic f...
- Patent number 6,507,197
- Issue date Jan 14, 2003
- Trek, Inc.
- Akiyoshi Itoh
- G01 - MEASURING TESTING
Information Patent Grant
Magneto-optical recording medium having clock-marks on recording la...
- Patent number 6,388,954
- Issue date May 14, 2002
- Hitachi Maxell, Ltd.
- Hiroyuki Awano
- G11 - INFORMATION STORAGE
Information Patent Grant
Electrostatic force detector with cantilever and shield for an elec...
- Patent number 6,337,478
- Issue date Jan 8, 2002
- Trek, Inc.
- Toshio Uehara
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magneto-optical recording medium and method for recording and repro...
- Patent number 5,923,625
- Issue date Jul 13, 1999
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 4,839,208
- Issue date Jun 13, 1989
- NEC Corporation
- Katsuji Nakagawa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Method and device for moving a sensor close to a surface
- Publication number 20130085714
- Publication date Apr 4, 2013
- TREK, INC.
- Akiyoshi Itoh
- G01 - MEASURING TESTING
Information Patent Application
THIN FILM MATERIAL AND RECORDING MEDIUM
- Publication number 20100209738
- Publication date Aug 19, 2010
- NIHON UNIVERSITY
- Akiyoshi Itoh
- G11 - INFORMATION STORAGE
Information Patent Application
Thin Film Material and Recording Medium
- Publication number 20090117410
- Publication date May 7, 2009
- NIHON UNIVERSITY
- Akiyoshi Itoh
- G11 - INFORMATION STORAGE
Information Patent Application
Magneto-optical reproducing method using a plural of different repr...
- Publication number 20040027928
- Publication date Feb 12, 2004
- Hitachi Maxell, Ltd.
- Hiroyuki Awano
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic device, magnetic head and magnetic adjustment method
- Publication number 20020030949
- Publication date Mar 14, 2002
- Akiyoshi Itoh
- B82 - NANO-TECHNOLOGY

Katsuji Nakagawa

Person

Patents Grantslast 30 patents

Method for recording and reproduction on a magneto-optical recordin...

Magneto-optical reproducing method using a plurality of different r...

Magnetic device, magnetic head and magnetic adjustment method

Magneto-optical reproducing method using a plural of different repr...

Electrostatic force detector with cantilever for an electrostatic f...

Magneto-optical recording medium having clock-marks on recording la...

Electrostatic force detector with cantilever and shield for an elec...

Magneto-optical recording medium and method for recording and repro...

Optical information recording medium

Patents Applicationslast 30 patents

Method and device for moving a sensor close to a surface

THIN FILM MATERIAL AND RECORDING MEDIUM

Thin Film Material and Recording Medium

Magneto-optical reproducing method using a plural of different repr...

Magnetic device, magnetic head and magnetic adjustment method