Fumio Munakata
18Patents
7h-index
32Co-inventors
66Inventor score
Filing activity: Jul 16, 1986 → Oct 3, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6060420A | Composite oxides of A-site defect type perovskite structure as catalysts | Emerging Cross-Sectional Technologies | 41 | Expired |
| US6129862A | Composite oxides of A-site defect type perovskite structure | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6613479B2 | Positive electrode material and battery for nonaqueous electrolyte secondary battery | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4772376A | Air/fuel ratio sensor having oxygen sensor cell and oxygen pump cell | Physics | 13 | Expired |
| US6623890B2 | Positive electrode material and battery for nonaqueous electrolyte secondary battery | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4786476A | Gas sensor element using porously fired mass of titania | Physics | 11 | Expired |
| US5168095A | Method for synthesizing a composite oxide by citrating process | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5449660A | Method of producing compound oxide by using partly citrating process | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6384607B2 | Battery state sensing apparatus | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6613478B2 | Positive electrode material and cell for nonaqueous electrolyte secondary battery | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6849354B2 | Solid oxide fuel cell having perovskite solid electrolytes | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6761997B2 | Positive electrode material and battery for nonaquous electrolyte secondary battery | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7368095B2 | Composite oxide for solid oxide fuel cell and method for preparation thereof | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5665176A | n-Type thermoelectric materials | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6447944B1 | Solid electrolyte, method of producing same and fuel cell using same | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6903495B2 | Piezoelectric material and method for manufacture thereof | Chemistry; Metallurgy | 1 | Expired |
| US6803140B2 | Gallate based complex oxide electrolyte material | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9091195B2 | Layered composite oxide, oxidation catalyst, and diesel particulate filter | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.