Koji Abe
262Patents
21h-index
227Co-inventors
93Inventor score
Filing activity: Feb 17, 1987 → Jun 26, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5578598A | Polyelectrolyte complex antibacterial agent in antibacterial material | Emerging Cross-Sectional Technologies | 50 | Expired |
| US7595130B2 | Battery separator and lithium secondary battery | Emerging Cross-Sectional Technologies | 43 | Expired |
| US6413678B1 | Non-aqueous electrolyte and lithium secondary battery using the same | Emerging Cross-Sectional Technologies | 42 | Expired |
| US8652737B2 | Toner and image forming process | Physics | 39 | Active |
| US8497054B2 | Toner | Physics | 38 | Active |
| US6503662B1 | Non-aqueous electrolyte and lithium secondary battery using the same | Emerging Cross-Sectional Technologies | 37 | Expired |
| US6436582B1 | Non-aqueous electrolyte and lithium secondary battery using the same | Emerging Cross-Sectional Technologies | 32 | Expired |
| US9632441B2 | Toner | Physics | 30 | Active |
| US6583414B2 | Method of inspecting pattern and inspecting instrument | Electricity | 30 | Expired |
| US6632572B1 | Lithium secondary battery | Emerging Cross-Sectional Technologies | 29 | Expired |
| US8367289B2 | Toner | Physics | 29 | Active |
| US9785077B2 | Toner | Physics | 27 | Active |
| US9897933B2 | Toner | Physics | 27 | Active |
| US9733583B2 | Toner | Physics | 26 | Active |
| US6033809A | Lithium secondary battery and electrolyte thereof | Emerging Cross-Sectional Technologies | 25 | Expired |
| US8053156B2 | Toner, and toner production process | Physics | 25 | Active |
| US9733584B2 | Toner | Physics | 23 | Active |
| US5658915A | Polyelectrolyte complex antibacterial agent and antibacterial material | Emerging Cross-Sectional Technologies | 23 | Expired |
| US8247147B2 | Toner | Physics | 22 | Active |
| US7985502B2 | Nonaqueous electrolyte solution and lithium secondary battery using same | Emerging Cross-Sectional Technologies | 22 | Active |
| US7459253B2 | Toner and method of producing toner | Physics | 22 | Active |
| US9383720B1 | Process cartridge and drum cartridge | Physics | 18 | Active |
| US5370563A | Marine propulsion engine | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US7704661B2 | Toner and image forming method | Physics | 14 | Active |
| US6045945A | Electrolyte solution for lithium secondary battery | Emerging Cross-Sectional Technologies | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.