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Hiroshi Koriyama

USPTO Granted Patents = 11

Average Co-Inventor Count = 1.2

ph-index = 5

Forward Citations = 74(Granted Patents)

Company Filing History:

11 out of 35,689

Nec Corporation

Years Active: 1991-2001

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6212030 - Magnetic disk drive having means for reducing disk deformation (2001-04-03),

2. 5901020 - Magnetic disk drive (1999-05-04),

3. 5805385 - Magnetic disk device (1998-09-08),

4. 5745326 - Magnetic disk drive (1998-04-28),

5. 5701220 - Magnetic disk drive (1997-12-23),

6. 5629820 - Structure for supporting head suspension of actuator of magnetic disk (1997-05-13),

7. 5624584 - Process for reducing disk deformation of holder arm of data recording (1997-04-29),

8. 5523912 - Magnetic head positioner for magnetic disk apparatus which can prevent (1996-06-04),

9. 5469316 - Actuator for magnetic disks and having a VCM support with a recess (1995-11-21),

10. 5463515 - Magnetic head supporting structure with a bearing fixed to a radially (1995-10-31),

11. 4988903 - Coil assembly for voice coil motor (1991-01-29),

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