Inventor

Steven L. Harper

Inventor

Corvallis, OR, US

Overview

5→

Patents

1993–2008

Patent span

Physics

Primary field (CPC G)

Patents· 5 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus18%

H04NPictorial communication, e.g. television18%

G01RMeasuring electric variables9%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein9%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them9%

G06FElectric digital data processing9%

G09GArrangements or circuits for control of indicating devices using static means to present variable information9%

H02JElectric power networks9%

H03KPulse technique9%

PatentTitleYear

7,453,454'Image display system and method'2008 7,136,210'Light modulator'2006 6,917,456'Light modulator'2005 5,809,449'Indicator of battery current for portable devices'1998 5,258,655'Apparatus for electrically switching between peripheral devices'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1998Patents assigned to HEWLETT PACKARD CO (2)· patent assignee history

1993–2008Based in Corvallis, OR, US· patent location history

2005–2008Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HEWLETT PACKARD DEVELOPMENT CO	3	2005–2008
HEWLETT PACKARD CO	2	1993–1998

Locations

Location	Patents	Span
Corvallis, OR, US	5	1993–2008