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Inventor

Philip G. Baker

Inventor
Peabody, MA, US

Overview

15→
Patents
1976–2018
Patent span
Physics
Primary field (CPC G)

Patents· 15 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 them57%
G06FElectric digital data processing13%
H04NPictorial communication, e.g. television13%
F21VFunctional features or details of lighting devices or systems thereof9%
B41BMachines or accessories for making, setting, or distributing type4%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light4%
PatentTitleYear
10,097,801Front projection eReader system20189,880,703'Electronic bookshelf system'20189,316,889'Front projection eReader system'20165,940,049'Remote interactive projector with image enhancement'19994,757,333'Apparatus for generating color text and graphics on photographic media'19884,702,578'Alignment method and cartridge apparatus for apparatus for generating color text and graphics on photographic media'19874,561,753'Selective photoresponsive sensing circuit'19854,360,264'Variable magnification slide copy camera'19824,341,454'Self-developing photographic apparatus with multiple timers'19824,300,827'Self-developing photographic apparatus with inclined film exit path'19814,279,487'Adapter for coupling a camera to an optical instrument'19814,248,510'Identification card camera system'19814,040,751'Unicell photometer device'19773,971,051'Focusing screen'19763,958,261'Reflex camera and viewing device and attachment therefor'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1985Patents assigned to POLAROID CORP (9)· patent assignee history
1976–1982Based in Peabody, MA, US· patent location history
1985–1988Based in Cupertino, CA, US· patent location history
1987–1988Patents assigned to PRESENTATION TECHNOLOGIES INC (2)· patent assignee history
1999Patents assigned to POLYCOM INC (1)· patent assignee history
1999Based in Solana Beach, CA, US· patent location history
2016–2018Patents assigned to NOOK DIGITAL LLC (3)· patent assignee history
2016–2018Based in Solano Beach, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
POLAROID CORP91976–1985
NOOK DIGITAL LLC32016–2018
PRESENTATION TECHNOLOGIES INC21987–1988
POLYCOM INC11999
Locations
LocationPatentsSpan
Peabody, Massachusetts, US81976–1982
Solano Beach, California, US32016–2018
Cupertino, California, US31985–1988
Solana Beach, California, US11999