Inventor

Roger A. Bryant

Inventor

Rochester, NY, US

Overview

1984–2004

Patent span

Physics

Primary field (CPC G)

Patents· 13 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Cprimary

G03CPhotosensitive materials for photographic purposes73%

H02KDynamo-electric machines13%

F16CShafts7%

Y10TTechnical subjects covered by former us classification7%

PatentTitleYear

6,787,297'Dye-Layered silver halide photographic elements with low dye stain'2004 6,518,008'Fragmentable electron donor compounds in combination with high bromide tabular grain emulsions'2003 5,998,113'Color photographic film with a plurality of grain population in its blue recording layer unit'1999 5,994,043'Color photographic film with inverted blue recording layers'1999 5,994,042'Color photographic film exhibiting increased blue speed'1999 5,935,774'Controlled site epitaxy on silver halide grains'1999 5,935,767'Process of producing color negative image at shortened development times'1999 5,902,721'Reduced development time color negative process and process compatible color negative elements'1999 5,889,343'Electromechanical machine having improved lead wire sealing arrangement'1999 5,728,517'Photographic emulsions of enhanced sensitivity'1998 5,709,988'Tabular grain emulsions exhibiting relatively constant high sensitivities'1998 5,576,172'Elevated iodide surface laminae tabular grain emulsions'1996 4,425,010'Fail safe dynamoelectric machine bearing'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984Patents assigned to RELIANCE ELECTRIC CO (1)· patent assignee history

1984–1999Based in Commerce, GA, US· patent location history

1996–2004Patents assigned to EASTMAN KODAK CO (11)· patent assignee history

1996–2004Based in Rochester, NY, US· patent location history

1999Patents assigned to RELIANCE ELECTRIC IND CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EASTMAN KODAK CO	11	1996–2004
RELIANCE ELECTRIC CO	1	1984
RELIANCE ELECTRIC IND CO	1	1999

Locations

Location	Patents	Span
Rochester, New York, US	11	1996–2004
Commerce, Georgia, US	2	1984–1999