Hiroshi Wakizaka
8Patents
5h-index
11Co-inventors
56Inventor score
Filing activity: Apr 6, 1979 → Apr 6, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4209378A | Oxygen sensing element | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4265930A | Process for producing oxygen sensing element | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4209377A | Oxygen sensing element | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4284486A | Solid pole oxygen sensor and its manufacturing process | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4299627A | Method of manufacturing oxygen sensing element | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5447624A | Packings for liquid chromatography and process for producing the same | Physics | 4 | Expired |
| US4304651A | Solid pole oxygen sensor | Physics | 3 | Expired |
| US4292157A | Solid pole oxygen sensor and its manufacturing process | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.