Hidetoshi Hirano
21Patents
10h-index
34Co-inventors
75Inventor score
Filing activity: Dec 22, 1993 → Jun 30, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7001699B2 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Physics | 44 | Expired |
| US7655370B2 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Physics | 44 | Active |
| US6333579A | Stator for outer rotor-type multi-pole generator | Electricity | 28 | Expired |
| US6335132B1 | Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus including the photosensitive member | Physics | 26 | Expired |
| US6773856B2 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Physics | 26 | Expired |
| US7732113B2 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus, and process for producing electrophotographic photosensitive member | Physics | 26 | Active |
| US5912098A | Electrophotographic photosensitive member and electrophotographic apparatus and process cartridge including same | Physics | 24 | Expired |
| US6091172A | Coil connecting structure in outer rotor-type multi-pole generator | Electricity | 24 | Expired |
| US5876890A | Electrophotographic photosensitive member and apparatus and process cartridge provided with the same | Physics | 21 | Expired |
| US5610690A | Electrophotographic apparatus and process cartridge featuring an electrophotographic photosensitive member having a surface layer of lubricative fluorine-containing resin powder | Physics | 10 | Expired |
| US5538826A | Electrophotographic image forming method, apparatus and device unit | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6185398A | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Physics | 8 | Expired |
| US5384625A | Image forming method | Physics | 6 | Expired |
| US6465143B2 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Physics | 6 | Expired |
| US5565289A | Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus employing the same | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6245473A | Electrophotographic apparatus with DC contact charging and photosensitive layer with polycarbonate resin in charge generation layer | Physics | 3 | Expired |
| US5935747A | Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus having the electrophotographic photosensitive member | Physics | 2 | Expired |
| US10012915B2 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus, and chlorogallium phthalocyanine crystal and method for producing the same | Physics | 0 | Active |
| US6447967B2 | Phthalocyanine crystal, production process therefor, and electrophotographic photosensitive member, process cartridge and apparatus using the crystal | Chemistry; Metallurgy | 0 | Expired |
| US6180302A | Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus provided with the electrophotographic member | Physics | 0 | Expired |
| US6768006B2 | Phthalocyanine crystal, production process therefor, and electrophotographic photosensitive member, process cartridge and apparatus using the crystal | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.