Inventor

Douglas H. Pearson

Inventor

Rochester, NY, US

Overview

41→

Patents

1987–2012

Patent span

Physics

Primary field (CPC G)

Patents· 41 as inventor

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

G03Bprimary

G03BApparatus or arrangements for taking photographs or for projecting or viewing them50%

B41JTypewriters13%

Y10TTechnical subjects covered by former us classification11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

C23CCoating metallic material4%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices4%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%

LOC164%

C03CChemical composition of glasses, glazes or vitreous enamels2%

G11BInformation storage based on relative movement between record carrier and transducer2%

PatentTitleYear

8,308,279'Sealing device for fluid reservoir'2012 8,172,386'Sealing device for fluid reservoir'2012 8,002,398'Ink jet ink cartridge with vented wick'2011 7,967,426'Sealing device for fluid reservoir'2011 7,862,147'Inclined feature to protect printhead face'2011 7,780,280'Fluid port seal with surface having channels'2010 7,735,983'Ink jet ink cartridge with vented wick'2010 7,330,646'Camera film prewinding using D-shaped film perforations'2008 7,120,355'Camera assembly having lens turret and independently movable rocker'2006 6,599,616'Parallel contact patterning using nanochannel glass (NCG)'2003 6,376,096'Nanochannel glass replica membranes'2002 6,266,491'Camera frame assembly having standby battery station'2001 6,198,881'Loading methods for camera frame assemblies subject to static charging during film scrolling'2001 6,087,274'Nanoscale X-Y-Z translation of nanochannel glass replica-based masks for making complex structures during patterning'2000 D0425536'Rear cover label for a flash camera'2000 D0423545'Front cover label for flash camera'2000 6,011,934'Camera with closing mechanism to close cassette'2000 5,983,026'One-time-use camera with variable format film encoder'1999 5,976,444'Nanochannel glass replica membranes'1999 5,970,257'Camera frame assembly having monolithic subenclosures'1999 5,937,209'Camera with film guide rib having film-on-sprocket retention portion'1999 5,918,076'One-time-use camera with tear lead-in to fracture line for break-open door'1999 5,899,592'Camera with film winder that can reset closing mechanism for closing light lock of film cassette'1999 5,855,716'Parallel contact patterning using nanochannel glass'1999 RE035856'Light shielding apparatus'1998 5,768,649'Lens assembly with engageable lens retainer and lens mount'1998 5,748,989'One-time-use camera with manual control lever and bi-directional overcenter spring for closing movable light shield of film cassette'1998 5,727,247'Camera with film sensor and driver to initiate closing of cassette responsive to return of filmstrip to cassette'1998 5,721,964'One-time-use camera having main body part and insertable light baffle with film holders to facilitate camera assembly'1998 5,715,478'One-time-use camera having main body part with integral film rails and insertable light baffle with rail extensions'1998 5,708,854'One-time-use camera has driver for closing film cassette which is removed with closed cassette to disable camera after completed use'1998 5,623,702'Resilient lens retainer'1997 5,579,070'One-time-use camera has driver for closing film cassette which is broken to disable camera after completed use'1996 5,560,563'Light shield for closing the film slot of a film cartridge'1996 5,555,062'Recyclable single-use camera with replaceable front lens element'1996 5,555,052'Light shielding apparatus'1996 5,541,687'Electronic flash assemblage with reflector to circuit board connection'1996 5,231,436'Compact camera with flip open flash unit'1993 5,028,940'Camera apparatus for magnetically recording on film'1991 5,017,326'Film mid roll interrupt protection for a camera using magnetic azimuth recording on film'1991 4,676,620'Demetering cam for a disk camera'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2012Patents assigned to EASTMAN KODAK CO (36)· patent assignee history

1987–2012Based in Rochester, NY, US· patent location history

1999–2003Patents assigned to US NAVY (5)· patent assignee history

1999–2003Based in Laurel, MD, US· patent location history

2012Patents assigned to FOLLETT CHARLES E (2)· patent assignee history

2012Patents assigned to PEARSON DOUGLAS H (2)· patent assignee history

2012Patents assigned to PERKINS MARK D (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EASTMAN KODAK CO	36	1987–2012
US NAVY	5	1999–2003
FOLLETT CHARLES E	2	2012
PEARSON DOUGLAS Hself	2	2012
PERKINS MARK D	2	2012

Locations

Location	Patents	Span
Rochester, New York, US	36	1987–2012
Laurel, Maryland, US	5	1999–2003