Inventor
John R. Masters
Inventor
The Woodlands, TX, 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 processing50%
G11BInformation storage based on relative movement between record carrier and transducer42%
B41JTypewriters8%
PatentTitleYear
6,141,312'Optical tape drive that performs direct read after write operations'20006,058,092'Optical tape drive that includes redundant optical heads to perform failure recovery'20005,909,210'Keyboard-compatible optical determination of object\'s position'19995,786,810'Method of determining an object\'s position and associated apparatus'19985,734,375'Keyboard-compatible optical determination of object\'s position'19985,075,805'Disk drive controller system'19915,016,121'Disk drive controller system'19915,014,237'Disk drive controller system with enhanced communications interface'19914,353,656'Moving coil, multiple energy print hammer system including a closed loop servo'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982Patents assigned to XEROX CORP (1)· patent assignee history
1982Based in Dallas, TX, US· patent location history
1991Patents assigned to TANDON CORP (3)· patent assignee history
1991Based in Aptos, CA, US· patent location history
1998–2000Patents assigned to COMPAQ COMPUTER CORP (5)· patent assignee history
1998–1999Based in The Woodlands, TX, US· patent location history
2000Based in Montgomery, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| COMPAQ COMPUTER CORP | 5 | 1998–2000 |
| TANDON CORP | 3 | 1991 |
| XEROX CORP | 1 | 1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| The Woodlands, Texas, US | 3 | 1998–1999 |
| Aptos, California, US | 3 | 1991 |
| Montgomery, Texas, US | 2 | 2000 |
| Dallas, Texas, US | 1 | 1982 |