Tatsuya Yamaai
18Patents
5h-index
48Co-inventors
58Inventor score
Filing activity: Jan 14, 2016 → Nov 30, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10545453B2 | Process cartridge and electrophotographic apparatus | Physics | 25 | Active |
| US10663913B2 | Process cartridge and electrophotographic apparatus | Physics | 18 | Active |
| US10416581B2 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Physics | 16 | Active |
| US10452021B2 | Process cartridge and electrophotographic image forming apparatus | Physics | 14 | Active |
| US11392074B2 | Electrophotographic photosensitive member having outer surface with first and second structure groups, the first structure group having a smaller appearance period and a lower height than the second structure group | Physics | 6 | Active |
| US9864284B2 | Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Physics | 2 | Active |
| US11782353B2 | Method for producing electrophotographic photosensitive member | Physics | 2 | Active |
| US9753385B2 | Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Physics | 1 | Active |
| US12326688B2 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Physics | 0 | Active |
| US10209637B2 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Physics | 0 | Active |
| US11947275B2 | Electrophotographic apparatus | Physics | 0 | Active |
| US9581920B2 | Coating film-removing method for cylindrical substrate and manufacturing method for electrophotographic photosensitive member | Physics | 0 | Active |
| US12153376B2 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Physics | 0 | Active |
| US10983449B2 | Method for manufacturing electrophotographic photoconductor | Physics | 0 | Active |
| US12153370B2 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Physics | 0 | Active |
| US12353164B2 | Electrophotographic apparatus | Physics | 0 | Active |
| US12045006B2 | Electrophotographic photosensitive member | Physics | 0 | Active |
| US12326689B2 | Electrophotographic apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.