Osamu Beppu
12Patents
5h-index
34Co-inventors
66Inventor score
Filing activity: Jun 24, 1986 → Nov 30, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4704997A | Device for preventing abnormal flow of gas fuel from gas fuel injector of diesel engine | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5008573A | Magnetic disk enclosure with detachable stator | Physics | 21 | Expired |
| US5463511A | Spindle unit having pre-load mechanism | Physics | 14 | Expired |
| US4894735A | Disk drive housing structure | Physics | 7 | Expired |
| US6965487B2 | Controller for information recording and reproducing device and control method for the information recording and reproducing device | Physics | 5 | Expired |
| US4775825A | Positioning method and apparatus therefor | Electricity | 4 | Expired |
| US4703242A | Control method and apparatus for positioning servo system | Physics | 4 | Expired |
| US7511919B2 | Magnetic disk apparatus | Physics | 4 | Expired |
| US7133242B2 | Magnetic disk drive and magnetic disk drive control | Physics | 3 | Expired |
| US4825313A | Method for adjustably positioning a transducer for a disc drive | Physics | 3 | Expired |
| US6870700B2 | Motor control method for magnetic disk drive | Electricity | 1 | Expired |
| US8130472B2 | Head support for a magnetic disk device | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.