Hideo Sobukawa
26Patents
15h-index
57Co-inventors
84Inventor score
Filing activity: May 20, 1980 → Mar 29, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6306794A | Composite oxide, composite oxide carrier and catalyst | Emerging Cross-Sectional Technologies | 76 | Expired |
| US7618919B2 | Catalyst support and method of producing the same | Emerging Cross-Sectional Technologies | 70 | Active |
| US6150288A | Composite oxide, composite oxide carrier and catalyst | Emerging Cross-Sectional Technologies | 64 | Expired |
| US6335305B1 | Catalyst for purifying exhaust gas | Emerging Cross-Sectional Technologies | 52 | Expired |
| US5945369A | Catalyst for purifying exhaust gases and process for producing the same | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5958827A | Solid solution particle of oxides, a process for producing the same and a catalyst for purifying exhaust gases | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4843056A | Exhaust gas purifying catalyst and process for producing the same | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4367162A | Catalyst for purifying exhaust gases and a method for producing the catalyst | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4367166A | Steam reforming catalyst and a method of preparing the same | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4299734A | Catalyst for purifying exhaust gases and method for producing same | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4316822A | Catalyst for purifying exhaust gases | Emerging Cross-Sectional Technologies | 25 | Expired |
| US7214643B2 | Metal oxide and method for producing the same, and catalyst | Chemistry; Metallurgy | 24 | Expired |
| US5762894A | Process for producing composite oxide powder containing cerium and zirconium | Chemistry; Metallurgy | 19 | Expired |
| US6933259B2 | Composite oxide powder, a method for producing the same and a catalyst using the same | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4617794A | Exhaust gas purifying method and apparatus for internal combustion engines | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6492298B1 | Ordinary-temperature purifying catalyst | Performing Operations; Transporting | 14 | Expired |
| US7247597B2 | Composite oxide, process for producing the same, and exhaust gas reducing co-catalyst | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5618772A | Method for producing catalyst | Performing Operations; Transporting | 11 | Expired |
| US5795992A | Method of testing durability of exhaust gas purification device | Emerging Cross-Sectional Technologies | 5 | Expired |
| US9120959B2 | Chemical thermal energy storage material structure, method of producing the same, and chemical heat accumulator | Emerging Cross-Sectional Technologies | 5 | Active |
| US5722238A | Device for evaluating catalyst performance deterioration | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7935653B2 | Metal oxide nanoporous material, coating composition to obtain the same, and methods of manufacturing them | Emerging Cross-Sectional Technologies | 4 | Active |
| US5811068A | Method for producing oxide powder | Chemistry; Metallurgy | 3 | Expired |
| US8951475B2 | Chemical heat accumulator | Emerging Cross-Sectional Technologies | 3 | Active |
| US7838460B2 | Nanoporous metal oxide material, catalyst support, and catalyst for hydrogen production reaction using the same | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.