Tsuyoshi Iijima
15Patents
5h-index
12Co-inventors
59Inventor score
Filing activity: Jun 9, 1999 → Aug 7, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6839435B1 | Ranking display method for game machine | Human Necessities | 37 | Expired |
| US6653018B2 | Electrochemical device | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6534219B1 | Secondary battery | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7583058B2 | Method of charging lithium ion secondary battery including a constant current, charging apparatus, and power supply apparatus | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7195844B2 | Lithium secondary battery | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7189478B2 | Lithium secondary battery | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8114543B2 | Lithium ion secondary battery | Emerging Cross-Sectional Technologies | 5 | Active |
| US8257865B2 | Electrode active material, electrode, lithium-ion secondary battery, method of making electrode active material, and method of making lithium-ion secondary battery | Emerging Cross-Sectional Technologies | 4 | Active |
| US7651815B2 | Lithium secondary battery | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7615084B2 | Secondary battery, and its production process | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8142927B2 | Lithium secondary battery | Emerging Cross-Sectional Technologies | 1 | Active |
| US7413829B2 | Lithium secondary battery | Emerging Cross-Sectional Technologies | 1 | Active |
| US7651818B2 | Lithium ion secondary battery and charging method therefor | Emerging Cross-Sectional Technologies | 0 | Active |
| US7709155B2 | Nonaqueous electrolytic solution and lithium-ion secondary battery | Emerging Cross-Sectional Technologies | 0 | Active |
| US8785047B2 | Lithium-ion secondary battery and method of charging lithium-ion secondary battery | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.