Shuji Tsukamoto

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Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multilevel optical recording medium with calibration signals
- Patent number 7,167,439
- Issue date Jan 23, 2007
- TDK Corporation
- Hiroshi Take
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium for use at short wavelengths and its recor...
- Patent number 6,028,836
- Issue date Feb 22, 2000
- TDK Corporation
- Atsuko Kosuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Pressure detecting apparatus for measuring pressure based on detect...
- Patent number 5,992,240
- Issue date Nov 30, 1999
- Fuji Electric Co., Ltd.
- Michihiko Tsuruoka
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL RECORDING MEDIUM AND OPTICAL RECORDING METHOD
- Publication number 20110280116
- Publication date Nov 17, 2011
- Shuji Tsukamoto
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL RECORDING MEDIUM AND OPTICAL RECORDING METHOD
- Publication number 20110235491
- Publication date Sep 29, 2011
- Shuji TSUKAMOTO
- B32 - LAYERED PRODUCTS
Information Patent Application
Dye material, optical recording medium using the same, and method o...
- Publication number 20070048486
- Publication date Mar 1, 2007
- TDK Corporation
- Masahiro Shinkai
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording material and optical recording medium
- Publication number 20050142490
- Publication date Jun 30, 2005
- TDK Corporation
- Masahiro Shinkai
- G11 - INFORMATION STORAGE
Information Patent Application
Multi-level optical recording medium
- Publication number 20050013234
- Publication date Jan 20, 2005
- Hiroshi Take
- G11 - INFORMATION STORAGE