Keiichi Ida
5Patents
1h-index
9Co-inventors
36Inventor score
Filing activity: Dec 28, 1998 → Sep 30, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6874156B2 | Optical information recording medium | Physics | 1 | Expired |
| US6792613B2 | Optical information recording medium | Physics | 0 | Expired |
| US6990049B2 | Optical information recording medium, method for recording/reproducing the same, and optical pickup | Physics | 0 | Expired |
| US7887993B2 | Optical information recording medium and recording method thereof | Emerging Cross-Sectional Technologies | 0 | Active |
| US6328866A | Ion sensor and ion sensor plate | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.