Yuzo Koike
11Patents
7h-index
14Co-inventors
52Inventor score
Filing activity: Aug 30, 1989 → Jul 29, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5028991A | Image signal processing apparatus for use in color image reproduction | Electricity | 51 | Expired |
| US5359434A | Scanning optical apparatus | Physics | 26 | Expired |
| US5200840A | Image processing apparatus | Physics | 23 | Expired |
| US5539440A | Image forming apparatus having colorant holding regions and a colorant repelling region | Physics | 19 | Expired |
| US5349423A | Recording apparatus and heating apparatus for use in recording apparatus | Physics | 11 | Expired |
| US5253023A | Electrostatographic apparatus without cleaner | Physics | 11 | Expired |
| US5404157A | Apparatus for generating ions in solid ion recording head with improved stability | Physics | 7 | Expired |
| US5323185A | Recording apparatus | Physics | 6 | Expired |
| US5315356A | Fixing apparatus | Physics | 6 | Expired |
| US5270741A | Apparatus for generating ions in solid ion recording head with improved stability | Physics | 6 | Expired |
| US5402157A | Electrophotographic recording apparatus | Electricity | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.