Masanori Maehara

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Head drum device with carbon-containing synthetic resin upper drum...
- Patent number 6,819,529
- Issue date Nov 16, 2004
- Sony Corporation
- Tadashi Ooami
- G11 - INFORMATION STORAGE
Information Patent Grant
Loading system for tape cassette in recording and/or reproducing ap...
- Patent number 5,390,055
- Issue date Feb 14, 1995
- Sony Corporation
- Masanori Maehara
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording and reproducing apparatus having a tape tension changing...
- Patent number 5,333,807
- Issue date Aug 2, 1994
- Sony Corporation
- Masanori Maehara
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape cassette loading system in recording and/or reproducing apparatus
- Patent number 5,258,881
- Issue date Nov 2, 1993
- Sony Corporation
- Masanori Maehara
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape cassette loading mechanism in recording and/or reprod...
- Patent number 4,870,517
- Issue date Sep 26, 1989
- Sony Corporation
- Masanori Maehara
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Head drum device and magnetic recorder/reproducer
- Publication number 20030002224
- Publication date Jan 2, 2003
- Tadashi Ooami
- G11 - INFORMATION STORAGE