Inventor · Nagareyama, JP

Yusuke Obuchi

71Patents
14h-index
46Co-inventors
84Inventor score

Filing activity: Aug 29, 2002 → Mar 22, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US7192020B2 Sheet processing apparatus for storing supplied sheets while preceding sheet are processed Physics 41 Expired
US6871042B2 Sheet-thickness detector device and sheet-processing apparatus, image-forming apparatus having the same Physics 41 Expired
US6804473B2 Image forming apparatus Performing Operations; Transporting 37 Expired
US7431274B2 Sheet processor and image-forming apparatus Performing Operations; Transporting 34 Active
US6826374B2 Sheet processing apparatus with discharge sheet cover and control based on open/close state of cover Physics 29 Expired
US7147598B2 Folded back portion flattening device, sheet processor, and image forming apparatus Performing Operations; Transporting 24 Expired
US6904261B2 Insert sheet transporting apparatus an insert sheet transporting method and an image forming apparatus Physics 21 Expired
US7594645B2 Sheet processing device and image formation apparatus Performing Operations; Transporting 20 Active
US6997449B2 Sheet processing apparatus and image forming apparatus having such sheet processing apparatus Physics 18 Expired
US7285084B2 Folded back portion flattening device, sheet processor, and image forming apparatus Performing Operations; Transporting 17 Active
US7673862B2 Sheet processor and image-forming apparatus Performing Operations; Transporting 17 Active
US7431273B2 Spine folded portion flattening apparatus, sheet treating apparatus and image forming apparatus Performing Operations; Transporting 15 Expired
US9126794B2 Sheet processing apparatus and image forming apparatus Physics 14 Active
US8550461B2 Sheet stacking apparatus and image forming apparatus Performing Operations; Transporting 14 Active
US7401776B2 Sheet conveyance apparatus, sheet processing apparatus, and image forming apparatus Performing Operations; Transporting 13 Active
US7354036B2 Sheet processing apparatus and image forming apparatus including the sheet processing apparatus Physics 13 Active
US7552917B2 Sheet processing apparatus and image forming apparatus including the sheet processing apparatus Physics 12 Active
US8267399B2 Sheet processing apparatus and image forming apparatus including same Performing Operations; Transporting 10 Active
US8511665B2 Sheet processing apparatus and image forming apparatus Performing Operations; Transporting 10 Active
US7597324B2 Sheet-stacking apparatus and image-forming apparatus Physics 8 Active
US7445207B2 Sheet conveyance apparatus, sheet processing apparatus, and image forming apparatus Performing Operations; Transporting 8 Active
US10046940B2 Alignment control for post-processing apparatus and image forming system having the same Physics 8 Active
US9714146B2 Sheet storage apparatus and image forming apparatus Performing Operations; Transporting 7 Active
US9340391B2 Sheet bundle binding processing apparatus and image forming system having the same Physics 7 Active
US9238381B2 Sheet bundle binding processing apparatus and image forming system having the same Physics 7 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.