Average Co-Inventor Count = 2.74
ph-index = 3
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Ricoh Company, Ltd. (22 from 28,544 patents)
2. Kyushu University (4 from 431 patents)
22 patents:
1. 12041797 - Photoelectric conversion element, device, and power supply module
2. 11950503 - Organic material and photoelectric conversion element
3. 11832461 - Photoelectric conversion module, electronic device, and power supply module
4. 11069485 - Photoelectric conversion element
5. 10763050 - Photoelectric conversion element
6. 10727001 - Photoelectric conversion element
7. 10686134 - Photoelectric conversion element
8. 10651390 - Tertiary amine compound, photoelectric conversion element, and solar cell
9. 10629826 - Organic compound and photoelectric conversion element
10. 10062854 - Organic material and photoelectric conversion element
11. 9590187 - Substituent-eliminable diketopyrrolopyrrole derivative, organic semiconductor material precursor solution, organic semiconductor material, and organic semiconductor material film
12. 9406887 - Solution, organic semiconductor material, organic semiconductor film, electronic device and electronic equipment
13. 9378899 - Photoelectric conversion element
14. 9373450 - Photoelectric conversion element
15. 9365513 - Fullerene derivative, and method of preparing the same