Naobumi Seo
9Patents
8h-index
13Co-inventors
62Inventor score
Filing activity: Jun 6, 1986 → Jul 2, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6795381B2 | Multi-body multi-purpose information processing apparatus | Physics | 34 | Expired |
| US4841502A | Information recording system and reproducing for recording and reproducing information on a magneto-optical disk | Physics | 22 | Expired |
| US5239530A | Method and apparatus for detecting a track count in an optical disk apparatus for recording/reproducing data on/from an optical disk | Physics | 22 | Expired |
| US5361245A | Optical signal processing apparatus for detecting the direction of movement of an optical reading device relative to an optical disk | Physics | 20 | Expired |
| US5406535A | Head seeking control apparatus with changeable speed references | Physics | 14 | Expired |
| US5157645A | Optical disk unit | Physics | 13 | Expired |
| US5193081A | Track-accessing controller for optical disks | Physics | 12 | Expired |
| US4926408A | Magneto-optic recording/erasing system with simultaneous dual head control and disk error detection | Physics | 11 | Expired |
| US5329509A | Optical disk unit | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.