Yukako Ohtani
2Patents
2h-index
8Co-inventors
27Inventor score
Filing activity: Mar 10, 2000 → Apr 13, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6615192B1 | Contents copying system, copying method, computer-readable recording medium and disc drive copying contents but not a cipher key via a host computer | Physics | 98 | Expired |
| US6810200B1 | Digital data processing device that restricts usage of data present on a recording medium | Electricity | 25 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.