YE Data Inc.
14Patents
0Active
14Granted
28Portfolio score
Filing activity: Nov 24, 1981 → May 28, 2008
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD580436S1 | Transmitter | General | 45 | Expired |
| US4705279A | Device for clamping a flexible disk | Emerging Cross-Sectional Technologies | 38 | Expired |
| US4646184A | Magnetic head for recording and reproduction | Physics | 20 | Expired |
| USD580437S1 | Receiver | General | 18 | Expired |
| US4633352A | Magnetic field noise shield for a magnetic head | Physics | 10 | Expired |
| US4972276A | Regeneration system for digital magnetic recording information | Physics | 9 | Expired |
| US6709720B2 | Marking method and marking material | Performing Operations; Transporting | 8 | Expired |
| US4393771A | Printing head for a printer | Performing Operations; Transporting | 7 | Expired |
| US4550659A | Hammer driving circuit for a dot system line printer | Performing Operations; Transporting | 6 | Expired |
| US5187614A | Write data write-pre-compensation system in a floppy disk drive unit and apparatus therefor | Physics | 4 | Expired |
| US5540509A | Color printer with exchangeable ribbon cassettes | Performing Operations; Transporting | 3 | Expired |
| US4844634A | Printing head for an impact printer | Performing Operations; Transporting | 1 | Expired |
| US5401109A | Shuttle type line printer | Performing Operations; Transporting | 1 | Expired |
| US5211110A | Hammer bank rocking device in impact dot line printer | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.