Inventor
Patrick E. Welborn
Inventor
Lake Oswego, OR, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television63%
H03MCoding25%
G06TImage data processing or generation, in general13%
PatentTitleYear
5,963,716'Bi-directional data stream decompression'19995,649,074'Raster image data compression method and system'19975,398,297'Improved color rendering method for intensity-variable printing based upon a dithering table'19955,243,414'Color processing system'19934,823,189'Method and apparatus for creating a dither pattern'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1995Patents assigned to TEKTRONIX INC (3)· patent assignee history
1989Based in Tualatin, OR, US· patent location history
1993–1999Based in Lake Oswego, OR, US· patent location history
1997–1999Patents assigned to HEWLETT PACKARD CO (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEKTRONIX INC | 3 | 1989–1995 |
| HEWLETT PACKARD CO | 2 | 1997–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lake Oswego, OR, US | 4 | 1993–1999 |
| Tualatin, OR, US | 1 | 1989 |