Tatsuo Araki

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical recording medium, optical head, and optical recording device
- Patent number 6,333,900
- Issue date Dec 25, 2001
- Hitachi Maxell, Ltd.
- Tsuyoshi Maro
- G11 - INFORMATION STORAGE
Information Patent Grant
Substrate for information recording disk, mold and stamper for inje...
- Patent number 6,333,089
- Issue date Dec 25, 2001
- Hitachi Maxwell, Ltd.
- Hiroyuki Hirata
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording disk and producing method therefor
- Patent number 6,319,580
- Issue date Nov 20, 2001
- Hitachi Maxell, Ltd.
- Tatsuo Araki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium, optical head and optical recording device
- Patent number 6,217,968
- Issue date Apr 17, 2001
- Hitachi Maxell, Ltd.
- Tsuyoshi Maro
- G11 - INFORMATION STORAGE
Information Patent Grant
Substrate for information recording disk, mold and stamper for inje...
- Patent number 6,127,017
- Issue date Oct 3, 2000
- Hitachi Maxell, Ltd.
- Hiroyuki Hirata
- G11 - INFORMATION STORAGE
Information Patent Grant
Olefinic resin composition and molded article
- Patent number 4,948,833
- Issue date Aug 14, 1990
- Hitachi Maxell, Ltd.
- Tatsuo Araki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...