Yo Ichikawa
11Patents
6h-index
19Co-inventors
59Inventor score
Filing activity: Jun 24, 1993 → Jun 17, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5757250A | Surface acoustic wave module with thin film for wave transmission velocity differentiation | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6399993B1 | Semiconductor device and method for fabricating the same | Electricity | 30 | Expired |
| US6455364B1 | Semiconductor device and method for fabricating the same | Electricity | 27 | Expired |
| US6844227B2 | Semiconductor devices and method for manufacturing the same | Electricity | 25 | Expired |
| US5815900A | Method of manufacturing a surface acoustic wave module | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5996199A | Method of manufacturing surface acoustic ware modules | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5828079A | Field-effect type superconducting device including bi-base oxide compound containing copper | Electricity | 6 | Expired |
| US7244972B2 | Semiconductor devices and method for manufacturing the same | Electricity | 3 | Expired |
| US5434126A | Thin-film high Tc superconductor comprising a ferroelectric buffer layer | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6713790B2 | Semiconductor device and method for fabricating the same | Electricity | 1 | Expired |
| US5731270A | Oxide superconductor and method and apparatus for fabricating the same | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.