Inventor

David A. Steele

Inventor

Webster, NY, US

Overview

1989–2018

Patent span

Physics

Primary field (CPC G)

Patents· 27 as inventor

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

G03Cprimary

G03CPhotosensitive materials for photographic purposes41%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests29%

C07DHeterocyclic compounds14%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices6%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h104%

B05CApparatus for applying fluent materials to surfaces, in general2%

G05BControl or regulating systems in general2%

Y02PClimate change mitigation technologies in the production or processing of goods2%

PatentTitleYear

9,884,822'Process for the preparation of 1-hydroxy-6-substituted pyridones'2018 6,907,308'Remote wafer flow and recipe editor for simiconductor processing control'2005 6,680,165'Cyan coupler dispersion with increased activity'2004 6,222,936'Apparatus and method for reducing defects in a semiconductor lithographic process'2001 6,174,662'Combinations of purine-releasing pyrazolone DIR couplers and pyrazolone of pyrazolotriazole imaging couplers'2001 6,171,771'Photographic element containing a DIR coupler'2001 6,146,820'Photographic element containing a DIR coupler'2000 6,130,031'Photographic element containing a benzolylacetanilide DIR coupler'2000 6,087,082'Photographic element containing an acylacetanilide DIR coupler'2000 6,004,737'Photographic element containing a yellow DIR coupler'1999 5,998,107'Photographic element containing improved acylacetamido yellow dye-forming coupler'1999 5,998,106'Photographic element containing cylacetamido yellow dye-forming couplers'1999 5,994,038'Photographic element containing acetamido DIR coupler'1999 5,989,798'Combinations of purine-releasing pyrazolone DIR couplers and pyrazolone or pyrazolotriazole imaging couplers'1999 5,985,497'Method for reducing defects in a semiconductor lithographic process'1999 5,958,662'Photographic element containing a DIR coupler'1999 5,940,651'Drip catching apparatus for receiving excess photoresist developer solution'1999 5,939,244'Photographic coupler and element'1999 5,886,909'Defect diagnosis using simulation for IC yield improvement'1999 5,821,043'1,2,4-triazole-releasing pyrazolone DIR couplers'1998 5,521,057'Photographic elements comprising 2-phenylcarbamoyl-1-naphthol image-modifying couplers yeilding dyes resistant to crystallization and reduction'1996 5,514,530'Photographic elements comprising 2-phenylcarbamoyl-1-naphthol image-modifying couplers yielding dyes resistant to crystallization and reduction'1996 5,506,094'Photographic elements comprising 2-phenylcarbamoyl-1-naphthol image-modifying couplers yielding dyes resistant to crystallization and reduction'1996 5,283,163'Photographic material and process employing a development inhibitor releasing compound containing a fluorinated carbon alpha to an amide group'1994 5,250,399'Photographic material and process comprising a universal coupler'1993 4,912,025'Photographic recording material for accelerated development'1990 4,859,578'Photographic recording material providing improved granularity properties'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2004Patents assigned to EASTMAN KODAK CO (21)· patent assignee history

1989–2018Based in Webster, NY, US· patent location history

1999–2005Patents assigned to ADVANCED MICRO DEVICES INC (5)· patent assignee history

1999–2001Based in Sunnyvale, CA, US· patent location history

2005Based in San Jose, CA, US· patent location history

2018Patents assigned to ARCH CHEM INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EASTMAN KODAK CO	21	1989–2004
ADVANCED MICRO DEVICES INC	5	1999–2005
ARCH CHEM INC	1	2018

Locations

Location	Patents	Span
Webster, New York, US	22	1989–2018
Sunnyvale, California, US	4	1999–2001
San Jose, California, US	1	2005