MiniScribe Corporation
19Patents
0Active
19Granted
30Portfolio score
Filing activity: May 4, 1981 → May 22, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4922169A | Method and apparatus for driving a brushless motor | Electricity | 85 | Expired |
| US5023736A | Magnetic latch for disk drive actuator | Physics | 64 | Expired |
| US4658308A | Method and apparatus for retracting head and braking motor of a disc drive device | Physics | 48 | Expired |
| US4956831A | Low acoustic noise head actuator | Physics | 41 | Expired |
| US4949206A | Crash stop for rotary disk drive actuator | Physics | 37 | Expired |
| US4967291A | Method and apparatus for preventing an over-velocity error condition of a hard disk drive system | Physics | 36 | Expired |
| US4418369A | Method and structure for maintaining a low contaminated enclosure | Physics | 33 | Expired |
| US4903157A | Electromagnet-actuated head latching apparatus | Physics | 32 | Expired |
| US4622499A | Method and apparatus for controlling a motor | Electricity | 29 | Expired |
| US5012371A | Disk drive crash stop/actuator latch | Physics | 18 | Expired |
| US4807054A | Transducer support assembly having laterally offset flexures | Physics | 17 | Expired |
| US4587645A | Disc drive assembly | Physics | 17 | Expired |
| US4775908A | Moving magnet actuator | Electricity | 17 | Expired |
| US4870525A | Method of mounting flexure arms on a cast rotary actuator | Physics | 14 | Expired |
| US4428012A | Method and apparatus for storing and retrieving information | Physics | 13 | Expired |
| US4746997A | Method and apparatus for generating/detecting and address mark | Physics | 9 | Expired |
| US4868470A | Apparatus and method for detecting a true average of N signal samples | Physics | 7 | Expired |
| US4924337A | Disk drive servo shield | Physics | 6 | Expired |
| US4878136A | Track crossing detector | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.