Yuzi Ishihara
5Patents
5h-index
9Co-inventors
48Inventor score
Filing activity: Jan 26, 1994 → Jul 7, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5363176A | Contact charging member and apparatus using the charging member | Physics | 33 | Expired |
| US5576805A | Contact charging member for charging a photosensitive drum having improved durability and a method for making the same | Physics | 24 | Expired |
| US6558781B1 | Conductive roller, process cartridge and image forming apparatus | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5751801A | Charging member with surface layer comprising polymers, and image forming apparatus using the same | Physics | 15 | Expired |
| US5713067A | Charging member, process cartridge using the same and electrophotographic apparatus | Physics | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.