Tutomu Ogawa

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multidisk containing magazine having separable trays
- Patent number 5,138,591
- Issue date Aug 11, 1992
- Pioneer Electronic Corporation
- Tutomu Ogawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Front loading disk player
- Patent number 5,130,959
- Issue date Jul 14, 1992
- Pioneer Electronic Corporation
- Keizi Wakatsuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Multidisk containing player including magazine having a housing wit...
- Patent number 5,117,409
- Issue date May 26, 1992
- Pioneer Electronic Corporation
- Akira Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Multidisk containing player including magazine having a housing wit...
- Patent number 5,099,466
- Issue date Mar 24, 1992
- Pioneer Electronic Corporation
- Tomomichi Kimura
- G11 - INFORMATION STORAGE