Tomoaki Hirai

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Odawara-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Signal processing circuit and information recording/reproducing app...
- Patent number 6,661,594
- Issue date Dec 9, 2003
- Hitachi, Ltd.
- Naoki Satoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal processing circuit and information recording/reproducing app...
- Patent number 5,818,655
- Issue date Oct 6, 1998
- Hitachi, Ltd.
- Naoki Satoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Read and/or write integrated circuit having an operation timing adj...
- Patent number 5,434,717
- Issue date Jul 18, 1995
- Hitachi, Ltd.
- Masaki Yoshinaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head circuit having a write current changeover circuit wit...
- Patent number 5,392,172
- Issue date Feb 21, 1995
- Hitachi, Ltd.
- Masaki Yoshinaga
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Signal processing circuit and information recording/reproducing app...
- Publication number 20030035236
- Publication date Feb 20, 2003
- Hitachi, Ltd.
- Naoki Satoh
- G11 - INFORMATION STORAGE
Information Patent Application
Signal processing circuit and information recording/reproducing app...
- Publication number 20010009483
- Publication date Jul 26, 2001
- Naoki Satoh
- G11 - INFORMATION STORAGE