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Rochester, NY, United States of America

David P Hamblen

USPTO Granted Patents = 15

Average Co-Inventor Count = 1.4

ph-index = 7

Forward Citations = 435(Granted Patents)

Company Filing History:

15 out of 21,594

Eastman-kodak Company

Years Active: 1977-1998

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5745289 - Athermalized diffractive optical elements (1998-04-28),

2. 5629800 - Gradial zone lens and method of fabrication (1997-05-13),

3. 5486951 - Gradial zone lens and method of fabrication (1996-01-23),

4. 5301249 - Catoptric coupling to an optical fiber (1994-04-05),

5. 5244371 - Apparatus for fabricating grin lens elements by spin molding (1993-09-14),

6. 5159495 - Graded index optical elements and catadioptric optical systems (1992-10-27),

7. 5152787 - Intraocular gradient-index lenses used in eye implantation (1992-10-06),

8. 5143659 - Method and apparatus for manufacturing aspherically shaped small lenses (1992-09-01),

9. 5122314 - Method for fabricating grin lens elements by spin molding (1992-06-16),

10. 5040961 - Apparatus for manufacturing aspherically shaped small lenses (1991-08-20),

11. 4948214 - Step-index light guide and gradient index microlens device for LED (1990-08-14),

12. 4849375 - Gaseous cleaning method for silicon devices (1989-07-18),

13. 4171246 - Method for determining ionic activity of components of liquid drops (1979-10-16),

14. 4053381 - Device for determining ionic activity of components of liquid drops (1977-10-11),

15. 4022855 - Method for making a plastic optical element having a gradient index of (1977-05-10),

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