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Kennett Square, PA, United States of America

Robert William Johnson

USPTO Granted Patents = 7

CIPO Patents = 2 (Patent Applications = 1)

EPO Patents = 3

Average Co-Inventor Count = 1.7

ph-index = 5

Forward Citations = 81(Granted Patents)

Location History:

Wilmington, DE (US) (1978)
Kennett Square, PA (US) (1997 - 2010)

Company Filing History:

7 out of 16,338

E.i. Dupont De Nemours and Company

Years Active: 1978-2010

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7660040 - Diffuse reflective article (2010-02-09),

2. 7620211 - Method and apparatus for quantifying visual showthrough of printed images on the reverse of planar objects (2009-11-17),

3. 7371275 - Titanium dioxide pigment and polymer compositions (2008-05-13),

4. 6236460 - Method to determine light scattering efficiency of pigments (2001-05-22),

5. 6040913 - Method to determine light scattering efficiency of pigments (2000-03-21),

6. 5653793 - TiO.sub.2 slurry process (1997-08-05),

7. 4098843 - Stabilized polyoxymethylene molding compositions (1978-07-04),

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