Hiroshi Ohata
10Patents
5h-index
16Co-inventors
59Inventor score
Filing activity: May 9, 1997 → Dec 3, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5923309A | Display device using current driven type light emitting elements | Physics | 45 | Expired |
| US6808828B2 | Organic electroluminescent display panel | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7018726B2 | Cemented carbide and cutting tool | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6819042B2 | Organic EL device and method for its manufacture | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6797369B2 | Cemented carbide and cutting tool | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8704253B2 | Light-emitting device and organic electroluminescence light-emitting device | Electricity | 3 | Active |
| US7384675B2 | Diagonal laminated veneer lumber and method of manufacturing the same | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9005793B2 | Energy storage article and method | Emerging Cross-Sectional Technologies | 0 | Active |
| US7618512B2 | Diagonal laminated veneer lumber and method of manufacturing the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US7897272B2 | Wear-resistant structure | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.