Ryota Arai
24Patents
3h-index
27Co-inventors
59Inventor score
Filing activity: Dec 24, 2009 → Nov 23, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9373450B2 | Photoelectric conversion element | Emerging Cross-Sectional Technologies | 6 | Active |
| US9378899B2 | Photoelectric conversion element | Emerging Cross-Sectional Technologies | 6 | Active |
| US10727001B2 | Photoelectric conversion element | Emerging Cross-Sectional Technologies | 3 | Active |
| US8701979B2 | Cabling work aiding system and work aiding method | Electricity | 2 | Active |
| US10651390B2 | Tertiary amine compound, photoelectric conversion element, and solar cell | Emerging Cross-Sectional Technologies | 2 | Active |
| US9246110B2 | Organic material and photoelectric conversion element | Emerging Cross-Sectional Technologies | 2 | Active |
| US9406887B2 | Solution, organic semiconductor material, organic semiconductor film, electronic device and electronic equipment | Emerging Cross-Sectional Technologies | 2 | Active |
| US9590187B2 | Substituent-eliminable diketopyrrolopyrrole derivative, organic semiconductor material precursor solution, organic semiconductor material, and organic semiconductor material film | Electricity | 1 | Active |
| US10629826B2 | Organic compound and photoelectric conversion element | Emerging Cross-Sectional Technologies | 1 | Active |
| US10763050B2 | Photoelectric conversion element | Emerging Cross-Sectional Technologies | 1 | Active |
| US9365513B2 | Fullerene derivative, and method of preparing the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US10062854B2 | Organic material and photoelectric conversion element | Emerging Cross-Sectional Technologies | 1 | Active |
| US8304153B2 | Electrophotographic photoreceptor, electrophotographic image forming method, electrophotographic image forming apparatus, electrophotographic process cartridge | Physics | 1 | Active |
| US8809543B2 | Electrophotographic photoreceptor, electrophotographic image forming method, electrophotographic image forming apparatus, and process cartridge for electrophotographic image forming apparatus | Physics | 0 | Active |
| US9005856B2 | Hydroxygallium porphyrazine derivative mixture and electrophotographic photoconductor | Physics | 0 | Active |
| US11950503B2 | Organic material and photoelectric conversion element | Emerging Cross-Sectional Technologies | 0 | Active |
| US10686134B2 | Photoelectric conversion element | Emerging Cross-Sectional Technologies | 0 | Active |
| US12041797B2 | Photoelectric conversion element, device, and power supply module | Emerging Cross-Sectional Technologies | 0 | Active |
| US9040215B2 | Amine compound, electrophotographic photoconductor, image forming method, image forming apparatus, and process cartridge | Physics | 0 | Active |
| US11069485B2 | Photoelectric conversion element | Emerging Cross-Sectional Technologies | 0 | Active |
| US8889324B2 | Image bearing member, image forming method, image forming apparatus, and process cartridge | Physics | 0 | Active |
| US8395804B2 | RFID registration system and method thereof | Physics | 0 | Active |
| US8586270B2 | Electrophotographic photoconductor, electrophotographic method, and electrophotographic apparatus | Physics | 0 | Active |
| US11832461B2 | Photoelectric conversion module, electronic device, and power supply module | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.