Kazunobu Ishibashi
11Patents
6h-index
51Co-inventors
69Inventor score
Filing activity: Aug 31, 1990 → Dec 8, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5270024A | Process for reducing nitrogen oxides from exhaust gas | Emerging Cross-Sectional Technologies | 99 | Expired |
| US5948376A | Catalyst for purifying exhaust gases | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6159897A | Catalyst for purifying exhaust gases | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5433933A | Method of purifying oxygen-excess exhaust gas | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5330732A | Method for purifying exhaust gases | Emerging Cross-Sectional Technologies | 17 | Expired |
| US7816300B2 | Catalyst for purifying exhaust gas | Emerging Cross-Sectional Technologies | 9 | Active |
| US7475533B2 | Exhaust gas purifying apparatus and method for controlling it | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8993475B2 | Oxygen storage material | Emerging Cross-Sectional Technologies | 2 | Active |
| US8522534B2 | Exhaust purification device of internal combustion engine | Emerging Cross-Sectional Technologies | 1 | Active |
| US10456996B2 | Tank manufacturing method and tank | Emerging Cross-Sectional Technologies | 1 | Active |
| US11258075B2 | Fuel cell electrode catalyst | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.