Inventor · Oyama, JP

Jun Agata

34Patents
5h-index
37Co-inventors
69Inventor score

Filing activity: Oct 20, 2003 → Sep 22, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8646776B2 Image forming apparatus with reversely-rotatable roller of differential velocities Emerging Cross-Sectional Technologies 16 Active
US7306221B2 Sheet conveying apparatus and image forming apparatus Performing Operations; Transporting 13 Expired
US7742736B2 Sheet size detecting apparatus Performing Operations; Transporting 12 Active
US9146520B2 Image forming apparatus Physics 10 Active
US8285191B2 Sheet size detecting apparatus Performing Operations; Transporting 5 Active
US6952556B2 Heating apparatus, sheet feeding apparatus and image forming apparatus Physics 5 Expired
US9400462B2 Image forming apparatus Physics 4 Active
US7374165B2 Sheet transport apparatus, image forming apparatus, and image reading apparatus Performing Operations; Transporting 4 Active
US9280101B2 Image forming apparatus with lower and upper guide members Physics 4 Active
US8838011B2 Sheet size detecting apparatus Performing Operations; Transporting 3 Active
US11353817B2 Sheet processing apparatus and image forming system Physics 3 Active
US11215946B2 Sheet processing apparatus and image forming system Physics 2 Active
US10773918B2 Sheet discharging apparatus and image forming apparatus Performing Operations; Transporting 2 Active
US10399810B2 Sheet discharging apparatus and image forming apparatus Performing Operations; Transporting 1 Active
US11518638B2 Sheet conveyance apparatus, sheet processing apparatus, and image forming system Performing Operations; Transporting 1 Active
US10216137B2 Opening-closing member detecting device and image forming apparatus Physics 1 Active
US9188253B2 Oil country tubular goods with dual phase structure and producing method thereof Chemistry; Metallurgy 1 Active
US9081345B2 Image forming apparatus Physics 1 Active
US9904222B2 Image forming apparatus with plurality of ribs on guide to fixing nip Physics 1 Active
US11987466B2 Sheet processing apparatus and image forming system Physics 1 Active
US9939774B2 Connection mechanism and image forming apparatus Emerging Cross-Sectional Technologies 1 Active
US9501029B2 Connection mechanism and image forming apparatus Emerging Cross-Sectional Technologies 0 Active
US10551774B2 Image forming apparatus with guide member movable with repect to direction perpendiclar to recording material surface Physics 0 Active
US7095976B2 Heating apparatus, sheet feeding apparatus and image forming apparatus General 0 Revoked
US10955774B2 Image forming apparatus Physics 0 Active

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