Naoto Miyoshi
38Patents
16h-index
81Co-inventors
84Inventor score
Filing activity: Aug 7, 1987 → Apr 15, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4927799A | Catalyst for the purification of exhaust gas | Emerging Cross-Sectional Technologies | 55 | Expired |
| US5075276A | Catalyst for purification of exhaust gases | Emerging Cross-Sectional Technologies | 54 | Expired |
| US6119452A | Device for purifying exhaust gas of internal combustion engine | Emerging Cross-Sectional Technologies | 52 | Expired |
| US4849398A | Catalyst for purifying exhaust gases | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4843056A | Exhaust gas purifying catalyst and process for producing the same | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4808564A | Catalyst for the purification of exhaust gases | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5948376A | Catalyst for purifying exhaust gases | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5804152A | Method for purifying exhaust gases | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5849254A | Method for purifying exhaust gases with two layer catalyst in oxygen-rich atmosphere | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6159897A | Catalyst for purifying exhaust gases | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6147027A | Alloy catalyst and process for producing the same | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6217831A | Catalyst for purifying exhaust gases | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5911960A | Process for purifying exhaust gases | Emerging Cross-Sectional Technologies | 18 | Expired |
| US10357744B2 | Exhaust gas purification device | Emerging Cross-Sectional Technologies | 18 | Active |
| US5762892A | Process for purifying exhaust gases | Performing Operations; Transporting | 18 | Expired |
| US10344655B2 | Exhaust gas purification catalyst | Emerging Cross-Sectional Technologies | 17 | Active |
| US10159934B2 | Exhaust gas purification catalyst | Emerging Cross-Sectional Technologies | 16 | Active |
| US6221805A | Catalyst support and catalyst and process for producing the same | Emerging Cross-Sectional Technologies | 16 | Expired |
| US10201805B2 | Exhaust gas purification apparatus | Mechanical Engineering; Lighting; Heating | 16 | Active |
| US10125649B2 | Exhaust gas purification catalyst | Emerging Cross-Sectional Technologies | 14 | Active |
| US10159935B2 | Exhaust gas purification catalyst | Emerging Cross-Sectional Technologies | 13 | Active |
| US6004521A | Catalyst for purifying exhaust gases | Emerging Cross-Sectional Technologies | 12 | Expired |
| US10076725B2 | Exhaust gas purification catalyst | Emerging Cross-Sectional Technologies | 11 | Active |
| US10183253B2 | Exhaust gas purification device | Emerging Cross-Sectional Technologies | 11 | Active |
| US10626765B2 | Exhaust gas purification device | Emerging Cross-Sectional Technologies | 10 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.