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Toshifumi Hatagami

USPTO Granted Patents = 7

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 85(Granted Patents)

Location History:

Machida, JP (1990 - 1993)
Kawasaki, JP (2000 - 2009)

Company Filing History:

7 out of 39,228

Fujitsu Corporation

Years Active: 1990-2009

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7511507 - Integrated circuit and circuit board (2009-03-31),

2. 7230787 - Method and apparatus for head control, and disk-drive apparatus (2007-06-12),

3. 6163443 - Actuator having MR element protecting means (2000-12-19),

4. 5268884 - Seek control method and apparatus for disk apparatus (1993-12-07),

5. 5216654 - Synchronizing signal switching system for synchronizing external storage (1993-06-01),

6. 4978902 - Synchronous rotation control system of magnetically recording disk (1990-12-18),

7. 4967293 - Multi-positioner magnetic disk storage apparatus having means for (1990-10-30),

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