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Rochester, NY, United States of America

Charles J Simpson

USPTO Granted Patents = 10 (Patent Applications = 1)

Average Co-Inventor Count = 2.0

ph-index = 4

Forward Citations = 35(Granted Patents)

Location History:

Greece, NY (US) (1979)
Rochester, NY (US) (1981 - 2000)

Company Filing History:

10 out of 21,594

Eastman-kodak Company

Years Active: 1979-2000

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6141316 - Optical disk for high speed data recording and playback (2000-10-31),

2. 5986983 - Multiple degrees of freedom actuator for optical recording (1999-11-16),

3. 5872768 - Optical discs with cover sheets and pressure equalization of the (1999-02-16),

4. 5768037 - Actuator with single surface-field motor (1998-06-16),

5. 5740139 - Magnetically suspended optical recording actuator (1998-04-14),

6. 5737288 - Position sensing for an optical recording actuator (1998-04-07),

7. 5732054 - Combined tracking position and tilt sensor for optical recording actuator (1998-03-24),

8. 5640279 - Beam splitter for optical reading and writing actuator (1997-06-17),

9. 4273852 - Instant film unit (1981-06-16),

10. 4148650 - Instant processing film unit with internal dark slide and light seal (1979-04-10),

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