Shinji Umehara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Data recording/reproducing system using optical disk apparatus
- Patent number 7,496,773
- Issue date Feb 24, 2009
- Teac Corporation
- Shinji Umehara
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for moving head from one tape track to another...
- Patent number 5,446,605
- Issue date Aug 29, 1995
- TEAC Corporation
- Shinji Umehara
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus capable of data reproduction from digital tape cassettes...
- Patent number 4,942,485
- Issue date Jul 17, 1990
- TEAC Corporation
- Shinji Umehara
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Data recording/reproducing system using optical disk apparatus
- Publication number 20060067188
- Publication date Mar 30, 2006
- TEAC CORPORATION.
- Shinji Umehara
- G11 - INFORMATION STORAGE