Koji Asako

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magneto-optical disk apparatus having an ejector arm and magnetic f...
- Patent number 5,917,796
- Issue date Jun 29, 1999
- Copal Company Limited
- Mitsuo Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical disk apparatus having a ejector arm and magnetic fi...
- Patent number 5,771,217
- Issue date Jun 23, 1998
- Copal Company Limited
- Mitsuo Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk cartridge shutter opening and closing mechanism
- Patent number 4,811,137
- Issue date Mar 7, 1989
- Copal Co., Ltd.
- Yoshio Muto
- G11 - INFORMATION STORAGE