Inventor · Nara, JP

Eiji Imada

9Patents
3h-index
10Co-inventors
46Inventor score

Filing activity: Dec 14, 1983 → Oct 31, 1990

Most-cited inventions

PatentTitleAreaCited byStatus
US5116706A 1,2,4,5-benzoylenebis(naphtho[1,8-de]pyrimidine) compounds and their use in photosensitive layers Physics 7 Expired
US4983741A 1,2,4,5-benzoylenebis(naphtho[2,3-d]imidazole) compounds and photosensitive members containing them Physics 4 Expired
US4853309A Photoreceptor for electrophotography with a-Si layers having a gradient concentration of doped atoms and sandwiching the photoconductive layer therebetween Physics 4 Expired
US4666816A Method of manufacturing an amorphous Si electrophotographic photoreceptor Physics 2 Expired
US4943503A Amorphous silicon photoreceptor Physics 1 Expired
US4687724A Photoreceptor for electrophotography comprising boron doped a-Si.sub.1-x N.sub.x :H:F Physics 1 Expired
US4963451A 1,2,4,5-benzoylenebis(anthraquinone[1,2-d]imidazole) compounds and photosensitive members containing them Physics 1 Expired
US4908457A 1,2,4,5-benzoylenebis(anthraquinone[1,2-d]imidazole) compounds Physics 0 Expired
US4883733A Electrophotographic printing process using photochromic compound Emerging Cross-Sectional Technologies 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.