Masaki Kagawa

Person

Miyagi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fine particle dispersion composition, optical component, optical fi...
- Patent number 7,348,056
- Issue date Mar 25, 2008
- Sony Corporation
- Tomio Kobayashi
- G02 - OPTICS
Information Patent Grant
Polarizing beam splitter and polarizer using the same
- Patent number 7,012,747
- Issue date Mar 14, 2006
- Sony Corporation
- Masaki Kagawa
- G02 - OPTICS
Information Patent Grant
Optical recording medium
- Patent number 6,850,476
- Issue date Feb 1, 2005
- Sony Corporation
- Masaki Kagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Reduced crosstalk optical recording medium using an optically relat...
- Patent number 6,618,345
- Issue date Sep 9, 2003
- Sony Corporation
- Masaki Kagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
High recording density optical disc
- Patent number 6,400,677
- Issue date Jun 4, 2002
- Sony Corporation
- Masaki Kagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc having specified track pitch, push-pull signal, and cr...
- Patent number 6,269,070
- Issue date Jul 31, 2001
- Sony Corporation
- Minoru Kikuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information reproducing method and apparatus
- Patent number 6,222,808
- Issue date Apr 24, 2001
- Sony Corporation
- Masaki Kagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk having pits with push-pull signal of opposite polarity...
- Patent number 5,946,287
- Issue date Aug 31, 1999
- Sony Corporation
- Hiroshi Nakayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium having a specified range of pit widths and...
- Patent number 5,838,654
- Issue date Nov 17, 1998
- Sony Corporation
- Masaki Kagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium having a specified range of pit widths and...
- Patent number 5,822,294
- Issue date Oct 13, 1998
- Sony Corporation
- Katsuhiko Ohtomo
- G11 - INFORMATION STORAGE
Information Patent Grant
Edge detection of information pit pattern by establishing threshold...
- Patent number 5,400,318
- Issue date Mar 21, 1995
- Sony Corporation
- Hiroshi Nakayama
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Fine particle dispersion composition, optical component, optical fi...
- Publication number 20050163971
- Publication date Jul 28, 2005
- Tomio Kobayashi
- G02 - OPTICS
Information Patent Application
Polarizing beam splitter and polarizer using this
- Publication number 20040051947
- Publication date Mar 18, 2004
- Masaki Kagawa
- G02 - OPTICS
Information Patent Application
Antireflection film and antireflection layer-affixed plastic substrate
- Publication number 20040005482
- Publication date Jan 8, 2004
- Tomio Kobayashi
- G02 - OPTICS
Information Patent Application
Optical recording medium
- Publication number 20030198173
- Publication date Oct 23, 2003
- SONY CORPORATION
- Masaki Kagawa
- G11 - INFORMATION STORAGE
Information Patent Application
HIGH RECORDING DENSITY OPTICAL DISC
- Publication number 20010012264
- Publication date Aug 9, 2001
- MASAKI KAGAWA
- G11 - INFORMATION STORAGE

Masaki Kagawa

Person

Patents Grantslast 30 patents

Fine particle dispersion composition, optical component, optical fi...

Polarizing beam splitter and polarizer using the same

Optical recording medium

Reduced crosstalk optical recording medium using an optically relat...

High recording density optical disc

Optical disc having specified track pitch, push-pull signal, and cr...

Optical information reproducing method and apparatus

Optical disk having pits with push-pull signal of opposite polarity...

Optical recording medium having a specified range of pit widths and...

Optical recording medium having a specified range of pit widths and...

Edge detection of information pit pattern by establishing threshold...

Patents Applicationslast 30 patents

Fine particle dispersion composition, optical component, optical fi...

Polarizing beam splitter and polarizer using this

Antireflection film and antireflection layer-affixed plastic substrate

Optical recording medium

HIGH RECORDING DENSITY OPTICAL DISC