Akira Kawamura

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Hachiouji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multi beam track system and method for an optical memory
- Patent number 5,822,292
- Issue date Oct 13, 1998
- Thomson Multimedia S.A.
- Nakao Akutsu
- G11 - INFORMATION STORAGE
Information Patent Grant
ROM-RAM Disk
- Patent number 5,812,519
- Issue date Sep 22, 1998
- Deutsche Thomson-Brandt GmbH
- Akira Kawamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser intensity gain control for detecting oscillation in the feedb...
- Patent number 5,764,614
- Issue date Jun 9, 1998
- Thomson Multimedia S.A.
- Yoshiharu Chikazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording and reproduction of items of information using ROM-RAM st...
- Patent number 5,715,232
- Issue date Feb 3, 1998
- Deutsche Thomson Brandt GmbH
- Yoshiharu Chikazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Noise component reduction in the data signal and optical scanning d...
- Patent number 5,416,764
- Issue date May 16, 1995
- Deutsche Thomson-Brandt GmbH
- Yoshiharu Chikazawa
- G11 - INFORMATION STORAGE