Masahiro Sawaguchi

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Miyagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Protrusion pattern forming device with display function
- Patent number 8,633,891
- Issue date Jan 21, 2014
- Sony Corporation
- Nobuyuki Nagai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Hologram recording medium
- Patent number 7,751,104
- Issue date Jul 6, 2010
- Sony Corporation
- Kazuya Hayashibe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Coating type magnetic recording medium
- Patent number 6,114,026
- Issue date Sep 5, 2000
- Sony Corporation
- Masahiro Sawaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 5,932,340
- Issue date Aug 3, 1999
- Sony Corporation
- Masahiro Sawaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 5,895,708
- Issue date Apr 20, 1999
- Sony Corporation
- Kazuhiko Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 5,800,915
- Issue date Sep 1, 1998
- Sony Corporation
- Masahiro Sawaguchi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
PROTRUSION PATTERN FORMING DEVICE WITH DISPLAY FUNCTION
- Publication number 20110012828
- Publication date Jan 20, 2011
- SONY CORPORATION
- Nobuyuki Nagai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Hologram recording medium
- Publication number 20070206251
- Publication date Sep 6, 2007
- SONY CORPORATION
- Kazuya Hayashibe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY