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Inventor

Alexander Stevenson

Inventor
Bellevue, WA, US

Overview

10→
Patents
1987–2014
Patent span
Physics
Primary field (CPC G)

Patents· 10 as inventor

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

G06Tprimary
G06TImage data processing or generation, in general45%
G10HElectrophonic musical instruments18%
G11BInformation storage based on relative movement between record carrier and transducer18%
G06FElectric digital data processing9%
H03KPulse technique9%
PatentTitleYear
8,659,589'Leveraging graphics processors to optimize rendering 2-D objects'20148,325,177'Leveraging graphics processors to optimize rendering 2-D objects'20127,952,581'Realistic transformation of 3D lighting models'20117,532,222'Anti-aliasing content using opacity blending'20097,525,542'Automatically generating appropriate near and far clipping planes for a 3D scene while guaranteeing minimum of Z-buffer precision'20096,995,311'Automatic pitch processing for electric stringed instruments'20066,737,570'Interactive personal audio device'20044,689,767'Magnetic tape drive controller utilizing dual DMA controllers'19874,675,551'Digital logic bus termination using the input clamping Schottky diodes of a logic circuit'19874,637,023'Digital data error correction method and apparatus'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to PRIME COMPUTER INC (3)· patent assignee history
1987Based in Framingham, MA, US· patent location history
1987Based in Holliston, MA, US· patent location history
2004–2006Based in Dover, MA, US· patent location history
2009–2014Patents assigned to MICROSOFT CORP (5)· patent assignee history
2009–2011Based in Bellevue, WA, US· patent location history
2012Patents assigned to BLOOMQUIST BRETT (1)· patent assignee history
2012Patents assigned to BROWN ROBERT (1)· patent assignee history
2012Patents assigned to CAKIR BILGEM (1)· patent assignee history
2012–2014Based in Boston, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MICROSOFT CORP52009–2014
PRIME COMPUTER INC31987
BLOOMQUIST BRETT12012
BROWN ROBERT12012
CAKIR BILGEM12012
Locations
LocationPatentsSpan
Bellevue, Washington, US32009–2011
Boston, Massachusetts, US22012–2014
Dover, Massachusetts, US22004–2006
Framingham, Massachusetts, US21987
Holliston, Massachusetts, US11987