Frank Morris
22Patents
8h-index
32Co-inventors
75Inventor score
Filing activity: Jan 3, 1984 → Mar 20, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5454157A | Method of manufacturing a hermetically sealed disk drive | Emerging Cross-Sectional Technologies | 131 | Expired |
| US7283331B2 | Method and apparatus reducing off track head motion due to disk vibration in a hard disk drive | Physics | 27 | Expired |
| US5260847A | Sleeveless rotatable beryllium/aluminum actuator arm for a magnetic disc drive | Physics | 25 | Expired |
| US5084640A | Eddy current brake with N impedence gaps | Electricity | 24 | Expired |
| US5251085A | Pivotable arm assembly with reduced thermal distortion | Physics | 17 | Expired |
| US5206555A | Adjustable brake for magnetic actuator | Electricity | 11 | Expired |
| US7158330B2 | Method and apparatus for servo track writing by track following on a dedicated servo disk on a fluid spindle bearing | Physics | 11 | Expired |
| US4827162A | Controlled drag for magnet actuator | Electricity | 9 | Expired |
| US5113099A | Rotary actuator for magnetic recording | Electricity | 7 | Expired |
| US6771451B2 | Auto centering of disks on a hard disk drive | Physics | 6 | Expired |
| US6243231A | Disk cartridge with anti-rattle mechanism | Physics | 4 | Expired |
| US4587714A | Manufacture of motor with split back magnet array | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6369970B1 | Multiple disk write method and device | Physics | 3 | Expired |
| US7248441B2 | Disk drive actuator parking method using impact rebound crash stop with bias tab and pusher and crash stop faces | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6011773A | Anti-rattle mechanism for a removable video disk cartridge | Physics | 3 | Expired |
| US4825984A | Visco-elastic couple for magnet actuator | Electricity | 2 | Expired |
| US6188545A | Moveable disk wiper apparatus and method | Physics | 2 | Expired |
| US7256961B2 | Damped spindle motor flange for the disk pack in a hard disk drive | Physics | 2 | Expired |
| US6967822B2 | Disk drive actuator impact rebound crash stop with bias tab and pusher and crash stop faces | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7876532B2 | Low-profile rotary motor with fixed back iron | Physics | 1 | Active |
| US6271986A | Video disk cartridge disk hub locking mechanism | Physics | 1 | Expired |
| US5118976A | Controlled-drag voice coil magnetic actuator | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.