Hiroshi Oyabu
10Patents
5h-index
9Co-inventors
59Inventor score
Filing activity: Mar 14, 2000 → Mar 10, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6490234B1 | Optical disk reproducing device | Physics | 10 | Expired |
| US8625230B2 | Position demodulator and position demodulation method | Physics | 10 | Active |
| US7443628B2 | Storage apparatus, spindle motor control method, and program | Electricity | 6 | Active |
| US6577569B1 | Optical disk reroducing device | Physics | 6 | Expired |
| US7529058B2 | Track pitch examination method of storage apparatus, program, and storage apparatus | Physics | 6 | Active |
| US6603717B1 | Optical disk reproducing device with automatic focus control loop | Physics | 3 | Expired |
| US8553345B2 | Position demodulation apparatus and position demodulation method | Physics | 2 | Active |
| US10319401B1 | Magnetic disk device and control method for magnetic disk device | Physics | 2 | Active |
| US11373684B2 | Magnetic disk apparatus and method | Physics | 2 | Active |
| US7479747B2 | Storage device and motor control device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.