Junichiro Otsubo
11Patents
1h-index
17Co-inventors
51Inventor score
Filing activity: Dec 18, 1986 → Sep 1, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7855286B2 | Titanyl phthalocyanin crystal, method for preparing the same and electrophotographic photoconductor | Physics | 2 | Active |
| US9213229B2 | Positively chargeable electrophotographic photosensitive member and image forming apparatus | Physics | 1 | Active |
| US10007199B2 | Single-layer electrophotographic photosensitive member, process cartridge, and image forming apparatus | Physics | 1 | Active |
| US9158264B2 | Electrophotographic photosensitive member and image forming apparatus including electrophotographic photosensitive member | Physics | 1 | Active |
| US8242261B2 | Oxo-titanylphthalocyanine crystal, method for producing the same, and electrophotographic photoreceptor | Physics | 1 | Active |
| US7693454B2 | Image forming apparatus | Physics | 0 | Active |
| US4795814A | Process for preparing novel dihydropyridine derivatives | Human Necessities | 0 | Expired |
| US8686133B2 | Oxo-titanylphthalocyanine crystal, method for producing the same and electrophotographic photoreceptor | Physics | 0 | Active |
| US8765337B2 | Multilayer type electrophotographic photoconductor and image forming apparatus | Physics | 0 | Active |
| US9939744B2 | Multi-layer electrophotographic photosensitive member | Physics | 0 | Active |
| US7399564B2 | Electrophotographic photoconductor | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.