Patent assignee · JP · COMPANY

Fujinon Corporation

698Patents
420Active
698Granted
56Portfolio score

Filing activity: Oct 1, 1986 → Apr 30, 2012 · 413 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7615006B2 Electronic endoscope battery section Emerging Cross-Sectional Technologies 750 Active
US4741326A Endoscope disposable sheath Human Necessities 258 Expired
US7408725B2 Single focus lens Physics 188 Active
US7746572B2 Imaging lens and image pickup apparatus Physics 132 Active
US7282025B2 Electronic endoscope apparatus for connection to adapter unit Electricity 104 Active
US7046458B2 Fisheye lens and imaging device using it Physics 102 Expired
US6943821B2 Electronic endoscope apparatus to which electronic endoscopes with different numbers of pixels can be connected Electricity 90 Expired
US7502181B2 Imaging lens Physics 90 Active
US7907352B2 Endoscope objective lens and endoscope Physics 89 Active
US7626621B2 Solid-state image pickup device and optical instrument using the same for adjusting curvatures of solid-state image pickup device based on focal length of lenses in optical instrument Electricity 84 Expired
US7486449B2 Objective lens for endoscope, and imaging apparatus for endoscope using the same Physics 82 Active
US6945929B2 Imaging device assembly for electronic stereoscopic endoscope system Electricity 79 Expired
US7223231B2 Anti-twist casing for endoscopic manipulating head assembly Human Necessities 77 Expired
US7627189B2 Sharpness adjustment method and program and electronic endoscope apparatus Physics 77 Active
US7944568B2 Method and system for producing tomographic image by optical tomography with processing of interference light signals Physics 77 Active
US7027231B2 Endoscope objective lens Physics 76 Expired
US6992694B2 Electronic endoscope apparatus adaptable to endoscopes equipped with imaging device with different pixel density Electricity 74 Expired
US8144191B2 Endoscope visual imaging and processing apparatus Electricity 71 Active
US7371211B2 Branching passage assembly for endoscopic biopsy channel Human Necessities 70 Expired
US8182419B2 Endoscope with suctioning means Human Necessities 69 Active
US7248281B2 Electronic endoscope apparatus which superimposes signals on power supply Electricity 67 Expired
US7695429B2 Endoscope connector device, endoscope cable lead-out unit and endoscope device Human Necessities 67 Active
US7901352B2 Endoscope apparatus Human Necessities 66 Active
US7569012B2 Ultrasonic endoscope Human Necessities 66 Active
US7420586B2 Electronic endoscope apparatus which stores image data on recording medium Electricity 66 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.