Inventor · Kasai, JP

Genta Yagyu

27Patents
8h-index
18Co-inventors
72Inventor score

Filing activity: Dec 21, 1999 → Jul 18, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6754446B2 Imaging device and digital camera using the imaging device Physics 42 Expired
US6229655A Zoom lens system Physics 25 Expired
US6532114B1 Zoom lens system Physics 19 Expired
US6728482B2 Imaging device and digital camera using the imaging device Physics 13 Expired
US6456443B2 Zoom lens system Physics 13 Expired
US7692869B2 Image-taking lens unit Physics 13 Active
US8319882B2 Image pickup device and image pickup element including plurality of types of pixel pairs Electricity 11 Active
US6930839B2 Zoom lens device Physics 8 Expired
US7227706B2 Image-taking lens apparatus Physics 7 Expired
US7369326B2 Imaging optical system and image pickup apparatus Physics 6 Active
US7375900B2 Variable power optical system and image pickup apparatus Physics 5 Active
US7042650B2 Zoom lens device Physics 4 Expired
US6853807B2 Imaging device and digital camera using the imaging device Physics 4 Expired
US7382548B2 Variable magnification optical system Physics 4 Expired
US8908068B2 Image pickup device and image pickup unit to form composite image Electricity 4 Active
US8013896B2 Imaging apparatus including shaking correction for a second imaging sensor Electricity 3 Active
US7388716B2 Variable magnification optical system and imaging device Physics 2 Active
US8098322B2 Image pickup device and image pickup apparatus Electricity 2 Active
US7734170B2 Imaging apparatus Physics 2 Active
US7999217B2 Image-capturing element including photoelectric conversion cells that pupil-divide object light and output a ranging signal Electricity 1 Active
US7304804B2 Zoom lens device Physics 1 Expired
US9800772B2 Focus adjustment device and focus adjustment method that detects spatial frequency of a captured image Electricity 1 Active
US7522346B2 Imaging device and digital camera using the imaging device Physics 1 Active
US7239460B2 Imaging optical unit and image pickup apparatus Physics 1 Active
US11792534B2 Signal processing device, signal processing method, and image capture device Physics 0 Active

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