Inventor
Hedley Davis
Inventor
Middletown, DE, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing33%
G06TImage data processing or generation, in general11%
G09GArrangements or circuits for control of indicating devices using static means to present variable information11%
G11BInformation storage based on relative movement between record carrier and transducer11%
H04NPictorial communication, e.g. television11%
G06KGraphical data reading6%
G06VImage or video recognition or understanding6%
G10LSpeech analysis techniques or speech synthesis6%
H04LTransmission of digital information, e.g. telegraphic communication6%
PatentTitleYear
10,469,800Always-on telepresence device20197,758,422'Hard drive authentication'20106,366,980'Disc drive for achieving improved audio and visual data transfer'20026,289,402'Bidirectional data transfer protocol primarily controlled by a peripheral device'20015,809,006'Optical disk with copy protection, and apparatus and method for recording and reproducing same'19985,664,224'Apparatus for selectively loading data blocks from CD-ROM disks to buffer segments using DMA operations'19975,461,680'Method and apparatus for converting image data between bit-plane and multi-bit pixel data formats'19954,886,941'Circuit for interfacing mouse input device to computer system'19894,851,826'Computer video demultiplexer'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Patents assigned to COMMODORE BUSINESS MACH (2)· patent assignee history
1989–2019Based in Middletown, DE, US· patent location history
1995–1997Patents assigned to ESCOM AG (2)· patent assignee history
1995–2001Based in Freemont, CA, US· patent location history
1998Based in Fremont, CA, US· patent location history
2001Patents assigned to AMIGA DEV LLC (1)· patent assignee history
2002–2010Based in Milpitas, CA, US· patent location history
2019Patents assigned to ANTIMATTER RES INC (1)· patent assignee history
2019Patents assigned to BALDWIN JAMES A (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| COMMODORE BUSINESS MACH | 2 | 1989 |
| ESCOM AG | 2 | 1995–1997 |
| AMIGA DEV LLC | 1 | 2001 |
| ANTIMATTER RES INC | 1 | 2019 |
| BALDWIN JAMES A | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Middletown, Delaware, US | 3 | 1989–2019 |
| Freemont, California, US | 3 | 1995–2001 |
| Milpitas, California, US | 2 | 2002–2010 |
| Fremont, California, US | 1 | 1998 |