Inventor · Tokyo, JP

Mitsuo Hasebe

21Patents
12h-index
42Co-inventors
81Inventor score

Filing activity: Feb 2, 1977 → Feb 11, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US6422696B1 Recording method and apparatus for forming an image on a powder layer uniformly distributed on an intermediate transfer member Performing Operations; Transporting 70 Expired
US4916547A Color image forming apparatus Physics 58 Expired
US6736500B2 Image forming method and apparatus that form and transfer image of liquid drops of increased viscosity Performing Operations; Transporting 29 Expired
US6623816B1 Recording method and apparatus with an intermediate transfer medium based on transfer-type recording mechanism Performing Operations; Transporting 26 Expired
US4578331A Color image forming method Physics 26 Expired
US7070269B2 Recording method and apparatus with an intermediate transfer medium based on transfer-type recording mechanism Performing Operations; Transporting 26 Expired
US5298944A Testing image density to control toner concentration and dynamic range in a digital copier Physics 23 Expired
US4183655A Cleaning means for image transfer unit in electrophotographic copying machines Physics 23 Expired
US5805314A Color image forming apparatus separately correcting each color component image Electricity 22 Expired
US5132787A Digital color copying machine with color separation Electricity 20 Expired
US4772918A Current-controlled image transfer Physics 13 Expired
US7539599B2 Abnormality diagnosing method, condition appraisal apparatus, image forming apparatus, management apparatus and management system Electricity 13 Active
US4951160A Image reproducing apparatus Electricity 12 Expired
US6837578B2 Recording method and apparatus with an intermediate transfer medium based on transfer-type recording mechanism Performing Operations; Transporting 11 Expired
US6460973B1 Recording method and apparatus Performing Operations; Transporting 11 Expired
US5003382A Digital color copying machine Electricity 8 Expired
US4907078A Method for reproducing color images which are distinguishable in a document having only two colors Electricity 8 Expired
US4176943A Electrophotographic apparatus Physics 7 Expired
US5087968A Digital color copier with color separation processing Electricity 6 Expired
US4200388A Toner density sensor for electrostatic copying machine Emerging Cross-Sectional Technologies 3 Expired
US4149796A Electrophotographic apparatus comprising improved bias source for magnetic brush Physics 3 Expired

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