Kei Tanaka

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Patents Grantslast 30 patents

Information Patent Grant
Musical information recording and reproducing technique for use wit...
- Patent number RE39811
- Issue date Sep 4, 2007
- Yamaha Corporation
- Mikio Ogusu
- 369 - Dynamic information storage or retrieval
Information Patent Grant
Seek operation on different recording density regions based on the...
- Patent number 6,608,809
- Issue date Aug 19, 2003
- Yamaha Corporation
- Kei Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk recording and sound reproducing device using pitch change and...
- Patent number 5,793,739
- Issue date Aug 11, 1998
- Yamaha Corporation
- Kei Tanaka
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Musical information recording and reproducing technique for use wit...
- Patent number 5,784,349
- Issue date Jul 21, 1998
- Yamaha Corporation
- Mikio Ogusu
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Musical information recording and reproducing technique for use wit...
- Patent number 5,602,811
- Issue date Feb 11, 1997
- Yamaha Corporation
- Mikio Ogusu
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
SEEK CONTROL METHOD AND DEVICE FOR OPTICAL DISK
- Publication number 20010053119
- Publication date Dec 20, 2001
- KEI TANAKA
- G11 - INFORMATION STORAGE