Takeshi Utakouji

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Nagaokakyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical information processing device having switchable optics for...
- Patent number 5,986,984
- Issue date Nov 16, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Keiji Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording and reproducing apparatus
- Patent number 5,511,048
- Issue date Apr 23, 1996
- Mitsubishi Denki Kabushiki Kaisha
- Mitsuru Irie
- G11 - INFORMATION STORAGE