Hiroko Ohta
8Patents
7h-index
14Co-inventors
49Inventor score
Filing activity: Jan 23, 1990 → Apr 23, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5260824A | Atomic force microscope | Emerging Cross-Sectional Technologies | 86 | Expired |
| US5289408A | Memory apparatus using tunnel current techniques | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5144581A | Apparatus including atomic probes utilizing tunnel current to read, write and erase data | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5083022A | Scanning tunneling microscope | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5053995A | Tunnel current data storage apparatus having separate lever bodies | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5041783A | Probe unit for an atomic probe microscope | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5091880A | Memory device | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5216254A | Circuit pattern forming apparatus using MU-STM | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.