Naoyuki Sakamoto

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat dissipation structure for a personal computer including two he...
- Patent number 6,094,344
- Issue date Jul 25, 2000
- Hitachi, Ltd.
- Tsuyoshi Nakagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Heat dissipation structure for electronic equipment including two h...
- Patent number 6,094,343
- Issue date Jul 25, 2000
- Hitachi, Ltd.
- Tsuyoshi Nakagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Heat dissipation structure in a portable computer including a heat...
- Patent number 5,805,417
- Issue date Sep 8, 1998
- Hitachi, Ltd.
- Tsuyoshi Nakagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Portable computer
- Patent number D385534
- Issue date Oct 28, 1997
- Hitachi, Ltd.
- Yukiko Iwama
- D14 - Recording, communication, or information retrieval equipment