Tetsuhiro Hirao
11Patents
3h-index
15Co-inventors
53Inventor score
Filing activity: Feb 20, 2004 → Jun 7, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9937487B2 | Exhaust gas control catalyst | Emerging Cross-Sectional Technologies | 6 | Active |
| US11420189B2 | Exhaust gas purification catalyst | Emerging Cross-Sectional Technologies | 5 | Active |
| US10731532B2 | Exhaust gas purification catalyst | Emerging Cross-Sectional Technologies | 3 | Active |
| US9993804B2 | Catalyst for exhaust gas purification | Emerging Cross-Sectional Technologies | 3 | Active |
| US11224840B2 | Exhaust gas purification catalyst | Emerging Cross-Sectional Technologies | 2 | Active |
| US7275064B2 | Apparatus for managing virtualized-information | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10323554B2 | Exhaust gas purification catalyst | Emerging Cross-Sectional Technologies | 2 | Active |
| US10539056B2 | Exhaust gas purification catalyst | Emerging Cross-Sectional Technologies | 1 | Active |
| US10450917B2 | Exhaust gas purification catalyst | General | 0 | Revoked |
| US10413895B2 | Exhaust gas purification catalyst | Emerging Cross-Sectional Technologies | 0 | Active |
| US10022708B2 | Exhaust gas purification catalyst for motor vehicle | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.