Toshifumi Ohkubo
4Patents
3h-index
21Co-inventors
46Inventor score
Filing activity: Jun 29, 1999 → Jun 26, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6729541B1 | Information reading apparatus and information recording medium | Physics | 11 | Expired |
| US6759137B1 | Opto-magnetic recording medium with a garnet ferrite recording layer, and opto-magnetic information recording/reproducing device | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6785201B2 | Optical information recording and reading apparatus | Physics | 5 | Expired |
| US7368146B2 | Magneto-optical recording medium, manufacturing method thereof and magneto-optical data recording and playback device | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.