Akira Aoyama

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Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical recording medium and method of preparing same
- Patent number 6,077,585
- Issue date Jun 20, 2000
- Seiko Epson Corporation
- Akira Aoyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optic recording systems
- Patent number 5,529,854
- Issue date Jun 25, 1996
- Seiko Epson Corporation
- Tatsuya Shimoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optic recording systems
- Patent number 5,100,741
- Issue date Mar 31, 1992
- Seiko Epson Corporation
- Tatsuya Shimoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium
- Patent number 4,801,499
- Issue date Jan 31, 1989
- Seiko Epson Corporation
- Akira Aoyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium
- Patent number 4,800,112
- Issue date Jan 24, 1989
- Seiko Epson Corporation
- Nobuhiko Kano
- G11 - INFORMATION STORAGE