Inventor · disambiguated record
Yasuyuki Nukaya
Also filed as: NUKAYA YASUYUKI
8 granted patents·159 citations·filing 1984–1993
88Inventor score
Files withRICOH KK8
Top patents by PatentIndex Score
8 records- 0195US5041872AImage forming apparatus using a photosensitive drum selectively pivoting with an upper part of the housingRICOH KK·Filed 1989·Granted Aug 20, 1991·59 cites·18 claims
- 0278US4744687APaper feed roller drive system for a printerRICOH KK·Filed 1985·Granted May 17, 1988·34 cites·2 claims
- 0360US5095334AImage forming apparatus with removable process unit which separates the conveying rollersRICOH KK·Filed 1991·Granted Mar 10, 1992·13 cites·10 claims
- 0458US5095370ASheet transport apparatus of printer having scanner unit and using manual and automatic sheet feeding modesRICOH KK·Filed 1990·Granted Mar 10, 1992·19 cites·5 claims
- 0554US5073795AElectrophotography type image forming apparatus having improved exchanging kitRICOH KK·Filed 1990·Granted Dec 17, 1991·11 cites·11 claims
- 0647US5359425AImage recording apparatus for selectively performing a printer mode and a scanner modeRICOH KK·Filed 1992·Granted Oct 25, 1994·12 cites·10 claims
- 0742US5321485APrinting apparatus having manual sheet feeding and document reading capabilitiesRICOH KK·Filed 1993·Granted Jun 14, 1994·8 cites·8 claims
- 0833US4597572AOriginal supply apparatus for use in copying machineRICOH KK·Filed 1984·Granted Jul 1, 1986·3 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Yasuyuki Nukaya files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →