Katsunori Yanagida
49Patents
7h-index
51Co-inventors
72Inventor score
Filing activity: Feb 24, 1999 → Mar 12, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6235426A | Nonaqueous electrolyte secondary cell wit PTC current collector tabs | Emerging Cross-Sectional Technologies | 34 | Expired |
| US8557440B2 | Positive electrode active material including particle comprising crystal structure changing from a layered structure to a spinel structure, method of manufacturing the positive electrode active material, and non-aqueous electrolyte secondary battery using the positive electrode active material | Emerging Cross-Sectional Technologies | 30 | Active |
| US6368749B1 | Active substances, electrodes, nonaqueous electrolyte secondary cells, and a process for fabricating the active substances | Emerging Cross-Sectional Technologies | 17 | Expired |
| US7198871B2 | Non-aqueous electrolyte secondary battery | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6458485B2 | Nonaqueous electrolyte secondary cell | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7335446B2 | Non-aqueous electrolyte secondary battery | Emerging Cross-Sectional Technologies | 9 | Active |
| US6537697B2 | Lithium secondary battery | Emerging Cross-Sectional Technologies | 8 | Expired |
| US11909033B2 | Negative electrode including first layer having low compressive strength carbon active material and silicon active material and second layer having high compressive strength carbon active material and nonaqueous electrolyte secondary battery including the same | Emerging Cross-Sectional Technologies | 5 | Active |
| US7452636B2 | Lithium secondary battery | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6045594A | Method of manufacturing nonaqueous electrolyte battery | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6620552B2 | Lithium secondary battery | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6869546B1 | Carbon materials, electrodes and nonaqueous electrolyte secondary cells | Emerging Cross-Sectional Technologies | 1 | Expired |
| US11949097B2 | Nonaqueous electrolyte secondary battery | Emerging Cross-Sectional Technologies | 1 | Active |
| US11695117B2 | Non-aqueous electrolyte secondary battery | Emerging Cross-Sectional Technologies | 1 | Active |
| US10243205B2 | Negative electrode for non-aqueous electrolyte secondary batteries | Emerging Cross-Sectional Technologies | 1 | Active |
| US10270086B2 | Nonaqueous-electrolyte secondary-battery negative electrode | Emerging Cross-Sectional Technologies | 1 | Active |
| US8460825B2 | Lithium ion secondary battery | Emerging Cross-Sectional Technologies | 0 | Active |
| US11509021B2 | Nonaqueous electrolyte secondary battery | Emerging Cross-Sectional Technologies | 0 | Active |
| US10903485B2 | Negative electrode for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery | Emerging Cross-Sectional Technologies | 0 | Active |
| US12166207B2 | Positive electrode active material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery | Emerging Cross-Sectional Technologies | 0 | Active |
| US11005090B2 | Negative electrode for non-aqueous electrolyte secondary batteries, and non-aqueous electrolyte secondary battery | Emerging Cross-Sectional Technologies | 0 | Active |
| US7229716B2 | Nonaqueous electrolyte secondary battery | Emerging Cross-Sectional Technologies | 0 | Expired |
| US10923713B2 | Nonaqueous electrolyte secondary battery | Emerging Cross-Sectional Technologies | 0 | Active |
| US10340521B2 | Non-aqueous electrolyte secondary battery | Emerging Cross-Sectional Technologies | 0 | Active |
| US10868299B2 | Non-aqueous electrolyte secondary battery | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.