Yosuke Hamada
14Patents
8h-index
41Co-inventors
72Inventor score
Filing activity: Nov 14, 1989 → Apr 18, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5073912A | Sample moving apparatus, sample moving system and semiconductor manufacturing apparatus | Emerging Cross-Sectional Technologies | 57 | Expired |
| US5402400A | Method and apparatus for eliminating external disturbances in a disk drive device | Physics | 42 | Expired |
| US6407876B1 | Magnetic disk apparatus having an accelerometer for detecting acceleration in the positioning direction of the magnetic head | Physics | 27 | Expired |
| US6611118B2 | Magnetic disk drive and voice coil motor drive circuit | Physics | 21 | Expired |
| US5986845A | Apparatus for positioning magnetic head and method of the same | Physics | 14 | Expired |
| US6335845B1 | Magnetic disk apparatus having an accelerometer for detecting acceleration in the positioning direction of the magnetic head | Physics | 13 | Expired |
| US6864656B2 | Magnetic disk drive and voice coil motor drive circuit | Physics | 8 | Expired |
| US6130797A | Magnetic recorder and magnetooptical recorder | Physics | 8 | Expired |
| US6738218B1 | Disk storage device and head positioning method | Physics | 5 | Expired |
| US6989957B2 | Disk storage device | Physics | 3 | Expired |
| US7872826B2 | Disk storage device and control method for the same | Physics | 2 | Active |
| US7154688B2 | Disk device having a function to confirm that a selected head is proper for a disk surface | Physics | 1 | Expired |
| US10780554B2 | Component-temporarily holding member, and component mounting jig | Performing Operations; Transporting | 1 | Active |
| US11361115B2 | Design assistance system, design assistance program, and design assistance method | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.