Yuuji Tanaka
66Patents
5h-index
90Co-inventors
75Inventor score
Filing activity: Aug 15, 1991 → Apr 29, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9318270B2 | Perovskite solar cell | Emerging Cross-Sectional Technologies | 8 | Active |
| US5218149A | Body unit for a string musical instrument | Physics | 7 | Expired |
| US9373450B2 | Photoelectric conversion element | Emerging Cross-Sectional Technologies | 6 | Active |
| US9378899B2 | Photoelectric conversion element | Emerging Cross-Sectional Technologies | 6 | Active |
| US9640330B2 | Photoelectric conversion element and solar cell | Emerging Cross-Sectional Technologies | 5 | Active |
| US8737879B2 | Opening and closing mechanism and image forming apparatus including the opening and closing mechanism | Performing Operations; Transporting | 4 | Active |
| US10538605B2 | Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder | Chemistry; Metallurgy | 3 | Active |
| US10727001B2 | Photoelectric conversion element | Emerging Cross-Sectional Technologies | 3 | Active |
| US10367103B2 | Photoelectric conversion element | Emerging Cross-Sectional Technologies | 2 | Active |
| US8535863B2 | Electrophotographic photoreceptor, and image forming apparatus and process cartridge using same | Physics | 2 | Active |
| US10651390B2 | Tertiary amine compound, photoelectric conversion element, and solar cell | Emerging Cross-Sectional Technologies | 2 | Active |
| US7858278B2 | Electrophotographic photoreceptor, and image forming apparatus and process cartridge using the electrophotographic photoreceptor | Physics | 2 | Active |
| US10763050B2 | Photoelectric conversion element | Emerging Cross-Sectional Technologies | 1 | Active |
| US10636579B2 | Photoelectric conversion element and solar cell | Emerging Cross-Sectional Technologies | 1 | Active |
| US10793650B2 | Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder | Chemistry; Metallurgy | 1 | Active |
| US12062503B2 | Photoelectric conversion element, photoelectric conversion module, electronic device, and power supply module | Emerging Cross-Sectional Technologies | 1 | Active |
| US11512155B2 | Production method for fluoropolymer, surfactant for polymerization, and use of surfactant | Chemistry; Metallurgy | 1 | Active |
| US7897309B2 | Bisazo compound, 2-hydroxy-3-phenylcarbamoyl naphthalene compound and method manufacturing bisazo compound | Physics | 1 | Active |
| US8652717B2 | Image bearing member and image forming method, image forming apparatus, and process cartridge using the same | Physics | 1 | Active |
| US11279814B2 | Production method for fluoropolymer, surfactant for polymerization, and use of surfactant | Chemistry; Metallurgy | 1 | Active |
| US10693092B2 | Photoelectric conversion element and solar cell | Emerging Cross-Sectional Technologies | 1 | Active |
| US10870735B2 | Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder | Chemistry; Metallurgy | 1 | Active |
| US8380109B2 | Image forming apparatus and process cartridge | Physics | 1 | Active |
| US12038240B2 | Refrigerant pipe, heat exchanger, and method for producing refrigerant pipe | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11069485B2 | Photoelectric conversion element | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.