Inventor

Hewitt D. Crane

Inventor

Portola Valley, CA, US

Overview

24→

Patents

1977–2001

Patent span

Physics

Primary field (CPC G)

Patents· 24 as inventor

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

G06Vprimary

G06VImage or video recognition or understanding38%

A61BDiagnosis13%

G06FElectric digital data processing13%

G07CTime or attendance registers13%

H04NPictorial communication, e.g. television8%

A61FFilters implantable into blood vessels3%

B43KImplements for writing or drawing3%

G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure3%

G01PMeasuring linear or angular speed, acceleration, deceleration, or shock3%

G03GElectrography3%

PatentTitleYear

6,212,295'Method for dynamic reconstruction of handwritten data'2001 5,933,514'Method for dynamic reconstruction of handwritten data'1999 5,901,242'Method and apparatus for decoding spatiochromatically multiplexed color images using predetermined coefficients'1999 5,541,653'Method and appartus for increasing resolution of digital color images using correlated decoding'1996 5,398,066'Method and apparatus for compression and decompression of digital color images'1995 5,022,086'Handwriting apparatus for information collection based on force and position'1991 4,718,102'Process and apparatus involving pattern recognition'1988 4,573,196'Confusion grouping of strokes in pattern recognition method and system'1986 4,561,105'Complex pattern recognition method and system'1985 4,544,246'System for producing selective stabilization of a portion of the retinal image'1985 4,531,231'Method for distinguishing between complex character sets'1985 4,443,075'Stabilized visual system'1984 4,373,787'Accurate three dimensional eye tracker'1983 4,344,135'Dynamic creation of signatures'1982 4,287,410'Double Purkinje eye tracker'1981 4,264,152'Visual stimulus deflector'1981 4,190,820'Signal train verification system using landmarks'1980 4,156,911'Dynamic re-creation of signatures'1979 RE029765'Strain gauge transducer system'1978 4,086,567'Handwriting verification system using landmarks'1978 4,040,010'Identification by handwriting verification'1977 4,040,012'Handwriting verification system'1977 4,040,011'Identification based on handwriting samples'1977 4,014,694'Method and apparatus for forming a positive electrostatic image'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1982Patents assigned to STANFORD RESEARCH INST (7)· patent assignee history

1977–2001Based in Portola Valley, CA, US· patent location history

1977Based in Portola, CA, US· patent location history

1981–1999Patents assigned to STANFORD RES INST INT (7)· patent assignee history

1985–1999Patents assigned to COMMUNICATION INTELLIGENCE COR (4)· patent assignee history

1986Patents assigned to COMMUNICATIONS INTELLIGENCE CO (1)· patent assignee history

2001Patents assigned to COMM INTELLIGENCE CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
STANFORD RES INST INT	7	1981–1999
STANFORD RESEARCH INST	7	1977–1982
COMMUNICATION INTELLIGENCE COR	4	1985–1999
COMM INTELLIGENCE CORP	1	2001
COMMUNICATIONS INTELLIGENCE CO	1	1986

Locations

Location	Patents	Span
Portola Valley, California, US	23	1977–2001
Portola, California, US	1	1977