Mutsuko Ochiai

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Recorder and cassette containing recording medium
- Patent number 7,515,370
- Issue date Apr 7, 2009
- Sony Corporation
- Nobuaki Baba
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic record/playback apparatus
- Patent number 6,452,744
- Issue date Sep 17, 2002
- Sony Corporation
- Yoshio Tamaru
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Recorder and cassette containing recording medium
- Publication number 20050117881
- Publication date Jun 2, 2005
- Nobuaki Baba
- G11 - INFORMATION STORAGE