Naoki Hatta
10Patents
3h-index
23Co-inventors
56Inventor score
Filing activity: Jul 31, 2002 → Jul 9, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7491468B2 | Method for preparing positive electrode material for secondary cell, and secondary cell | Emerging Cross-Sectional Technologies | 25 | Expired |
| US8119285B2 | Cathode material for secondary battery, method for producing cathode material for secondary battery and secondary battery | Emerging Cross-Sectional Technologies | 9 | Active |
| US8178239B2 | Cathode material for secondary battery, method for producing same, and secondary battery | Emerging Cross-Sectional Technologies | 5 | Active |
| US9761479B2 | Manufacturing method for semiconductor substrate | Electricity | 2 | Active |
| US8890170B2 | Silicon carbide substrate, semiconductor device and method for manufacturing silicon carbide substrate | Electricity | 2 | Active |
| US7815888B2 | Method of producing secondary battery cathode material, and secondary battery | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8133321B2 | Process for producing silicon carbide single crystal | Chemistry; Metallurgy | 1 | Active |
| US7498098B2 | Method for producing positive cathode material for lithium battery, and lithium battery | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9773678B2 | Semiconductor substrate and method for manufacturing semiconductor substrate | Electricity | 1 | Active |
| US11264241B2 | Semiconductor substrate, semiconductor element and method for producing semiconductor substrate | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.