Low airflow hard disk apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5453890
SERIAL NO

08208346

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A low airflow hard disk apparatus comprises a base, a cover member, a rotational portion disposed in a disk chamber, a hard disk held by and rotatable with the rotational portion, a first projection portion disposed on the lower surface of the cover member and facing toward the upper surface of the hard disk, and a second projection portion disposed on the upper surface of the base and facing toward the lower surface of the hard disk. The first and second projection portions, preferably radially extending fins, prevent an air flow from generating by the rotation of the hard disk.

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Patent Owner(s)

Patent OwnerAddress
NIPPON DENSAN CORPORATION10 TSUTSUMISOTO-CHO NISHIKYOGOKU UKYO-KU KYOTO 615

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Itoi, Hirotada Hikone, JP 1 19
Miyaji, Itsuo Yokaichi, JP 7 110
Mori, Yoichi Shiga, JP 33 281
Ohta, Kihachiro Naka, JP 10 164
Takegami, Kiyoyoshi Omihachiman, JP 4 62
Yonei, Hiroyuki Shiga, JP 14 316

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