Inventor
James F. Crossland
Inventor
Boulder, CO, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer57%
H04NPictorial communication, e.g. television43%
PatentTitleYear
8,134,750'Printing with alternative halftone patterns in ink jet printing to reduce ink penetration'20127,079,290'Halftoning method and system providing increased number of densities per basic halftone cell for constant input'20066,995,873'Flexible digital halftoning'20065,629,813'Initialization and calibration of magnetic tape having multiple servo areas'19975,574,602'Processing servo signals concurrently read from plural spaced-apart servo areas for a magnetic tape having serpentine data track scanning'19965,448,430'Track following servo demodulation'19955,309,299'Method and system for position error signal generation using auto correlation'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2006Patents assigned to IBM (6)· patent assignee history
1994–1997Based in Tucson, AZ, US· patent location history
1995–2012Based in Boulder, CO, US· patent location history
2012Patents assigned to CHANDU KARTHEEK (1)· patent assignee history
2012Patents assigned to CROSSLAND JAMES F (1)· patent assignee history
2012Patents assigned to MITCHELL JOAN L (1)· patent assignee history
2012Patents assigned to RICOH PROD PRINT SOLUTIONS LLC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 6 | 1994–2006 |
| CHANDU KARTHEEK | 1 | 2012 |
| CROSSLAND JAMES Fself | 1 | 2012 |
| MITCHELL JOAN L | 1 | 2012 |
| RICOH PROD PRINT SOLUTIONS LLC | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Boulder, CO, US | 4 | 1995–2012 |
| Tucson, AZ, US | 3 | 1994–1997 |