Inventor · Kashiwa, JP

Atsutoshi Ando

29Patents
13h-index
39Co-inventors
81Inventor score

Filing activity: Dec 23, 1994 → Oct 18, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US7512370B2 Image heating apparatus Physics 32 Active
US7177579B2 Image heating apparatus Physics 32 Expired
US6175703A Image forming apparatus and process cartridge Physics 25 Expired
US5646718A Cleaning blade for use in electrophotography, process cartridge and image forming apparatus Physics 24 Expired
US5682585A Developing apparatus generating electric field between developer carrying member and developer layer regulating member Physics 23 Expired
US5790927A Charging member and process cartridge having same Physics 22 Expired
US7209696B2 Image heating apparatus with elastic conductive member contacting internal surface of rotation member Physics 21 Expired
US7570895B2 Image forming apparatus having heat-fixing unit Physics 20 Active
US7428390B2 Image fixing apparatus with variable fixing modes Physics 17 Active
US9229388B2 Fixing device Physics 15 Active
US7792448B2 Image forming apparatus having heat-fixing unit Physics 15 Active
US7136601B2 Fixing apparatus and image forming apparatus with temperature controller increasing electric power substantially at a timing with temperature degradation Physics 13 Expired
US9417576B2 Fixing device Physics 13 Active
US5995785A Image forming apparatus having a mechanism for preventing stripping off of a lubricant from a cleaning blade Physics 12 Expired
US6317574A Charging member, process cartridge, and image forming apparatus Physics 11 Expired
US9002249B2 Image heating apparatus regulating a shift movement of an endless belt the inner face of which contacts a nip portion forming unit forming a nip portion with a roller contacting an outer face of the belt Physics 11 Active
US9507303B2 Fixing device Physics 9 Active
US8670702B2 Image forming apparatus Physics 9 Active
US9829839B2 Image heating apparatus having an electric power shut-off member, thermal fuse, or thermal switch operable in response to an abnormal temperature rise Physics 9 Active
US9235172B2 Image fixing apparatus Physics 8 Active
US5805951A Image forming apparatus detecting useful life of an image bearing member Physics 7 Expired
US7003253B2 Image heating apparatus including rotary member with metal layer Physics 7 Expired
US6438349B1 Fixing member, fixing assembly and image-forming apparatus Physics 6 Expired
US9983522B2 Fixing device Physics 6 Active
US6950616B2 Fixing apparatus and image forming apparatus Physics 6 Expired

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