Ken-Ichi Takada

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Miyagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical phase-change disc
- Patent number 6,128,273
- Issue date Oct 3, 2000
- Mitsubishi Chemical Corporation
- Michikazu Horie
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical phase-change disc having a grooved substrate, with the groo...
- Patent number 6,115,353
- Issue date Sep 5, 2000
- Mitsubishi Chemical Corporation
- Michikazu Horie
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical phase-change disc
- Patent number 5,862,123
- Issue date Jan 19, 1999
- Mitsubishi Chemical Corporation
- Michikazu Horie
- G11 - INFORMATION STORAGE
Information Patent Grant
Modulation of laser power in accordance with a linear velocity by p...
- Patent number 5,848,043
- Issue date Dec 8, 1998
- Mitsubishi Chemical Corporation
- Ken' Ichi Takada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording process and optical recording system
- Patent number 5,818,808
- Issue date Oct 6, 1998
- Mitsubishi Chemical Corporation
- Ken'Ichi Takada
- G11 - INFORMATION STORAGE