Hidehiro Iizuka
19Patents
7h-index
40Co-inventors
62Inventor score
Filing activity: Jan 11, 1996 → May 23, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6045764A | Exhaust gas purifying method and catalyst used therefor | Emerging Cross-Sectional Technologies | 58 | Expired |
| US6161378A | Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas internal combustion engine | Emerging Cross-Sectional Technologies | 51 | Expired |
| US6630115B1 | Exhaust emission control process for internal combustion engines | Performing Operations; Transporting | 22 | Expired |
| US6272848A | Exhaust gas cleaning apparatus and method for internal combustion engine | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5968870A | Catalyst for purifying exhaust gas from internal combustion engine and purifying method thereof | Performing Operations; Transporting | 16 | Expired |
| US6397582B1 | Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5972828A | Method of manufacturing catalyst for cleaning exhaust gas released from internal combustion engine, and catalyst for the same | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6305161A | Method of purifying exhaust gas of internal combustion engine and apparatus thereof | Performing Operations; Transporting | 7 | Expired |
| US6093377A | Removal of nitrogen oxides from exhaust gas using catalyst | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6517784B1 | Exhaust gas purifying apparatus for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US7662295B2 | Method for removing organic material in oilfield produced water and a removal device therefor | Chemistry; Metallurgy | 4 | Expired |
| US6841511B2 | Internal combustion engine exhaust gas purification apparatus, exhaust gas purification process and exhaust gas purification catalyst | Performing Operations; Transporting | 4 | Expired |
| US7438866B2 | Emission gas purification catalyst and internal combustion engine provided with the catalyst | Performing Operations; Transporting | 3 | Expired |
| US6596247B1 | Method for purifying exhaust gas from internal combustion engines | Performing Operations; Transporting | 2 | Expired |
| US7093432B2 | Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6883305B1 | Method for cleaning exhaust gas from an internal combustion engine | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8252257B2 | Method for purifying gas, gas purifying apparatus, and gas purifying catalyst | Emerging Cross-Sectional Technologies | 1 | Active |
| US9111653B2 | Boiling water nuclear plant and method of reducing dose in turbine system | Emerging Cross-Sectional Technologies | 0 | Active |
| US7772149B2 | Exhaust gas purification apparatus for an internal combustion engine and a catalyst for purifying exhaust gas | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.