Nobuaki Hirai
6Patents
5h-index
7Co-inventors
52Inventor score
Filing activity: Apr 15, 1993 → Dec 27, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5587978A | Record/reproduction apparatus for recording/reproducing multi-channel signals in different areas of a recording medium | Physics | 52 | Expired |
| US5748585A | Disc apparatus for selectively outputting data from a disc and a memory | Physics | 40 | Expired |
| US5680379A | Information reproduction apparatus having means to control maximum delay of information being read from memory | Physics | 29 | Expired |
| US5852593A | Reproduction apparatus and method for successively playing back information from a plurality of recording media | Physics | 18 | Expired |
| US6467678B2 | Wire bonding method and apparatus | Electricity | 6 | Expired |
| US8675463B2 | Optical disc driving device | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.