Yasuyuki Nukaya
8Patents
6h-index
7Co-inventors
48Inventor score
Filing activity: Sep 11, 1984 → Apr 29, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5041872A | Image forming apparatus using a photosensitive drum selectively pivoting with an upper part of the housing | Physics | 35 | Expired |
| US4744687A | Paper feed roller drive system for a printer | Performing Operations; Transporting | 18 | Expired |
| US5095370A | Sheet transport apparatus of printer having scanner unit and using manual and automatic sheet feeding modes | Electricity | 15 | Expired |
| US5095334A | Image forming apparatus with removable process unit which separates the conveying rollers | Physics | 10 | Expired |
| US5359425A | Image recording apparatus for selectively performing a printer mode and a scanner mode | Electricity | 9 | Expired |
| US5321485A | Printing apparatus having manual sheet feeding and document reading capabilities | Physics | 7 | Expired |
| US5073795A | Electrophotography type image forming apparatus having improved exchanging kit | Physics | 6 | Expired |
| US4597572A | Original supply apparatus for use in copying machine | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.