Masakuni Ozawa
6Patents
5h-index
11Co-inventors
60Inventor score
Filing activity: Feb 3, 1987 → Jun 12, 2015
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 |
| US4722920A | Alumina catalyst supports | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4921829A | Catalyst for purifing exhaust gases | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4957896A | Catalyst for purification of exhaust gases | Emerging Cross-Sectional Technologies | 23 | Expired |
| US9751075B2 | Ceria-zirconia complex oxide material and method for producing same | Chemistry; Metallurgy | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.