Inventor · Yamato, JP

Kazutaka Tsuji

46Patents
16h-index
99Co-inventors
84Inventor score

Filing activity: Apr 29, 1986 → Apr 4, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6432041B1 Endoscope shape detecting apparatus wherein form detecting processing is controlled according to connection state of magnetic field generating means Human Necessities 89 Expired
US6511417B1 System for detecting the shape of an endoscope using source coils and sense coils Human Necessities 67 Expired
US7061083B1 Semiconductor devices Electricity 65 Expired
US5196702A Photo-sensor and method for operating the same Electricity 36 Expired
US7030556B2 Light emitting device with an incorporated optical wavelight layer Electricity 36 Expired
US5866905A Electron microscope Electricity 35 Expired
US5233265A Photoconductive imaging apparatus Emerging Cross-Sectional Technologies 34 Expired
US6051834A Electron microscope Electricity 32 Expired
US6773393B1 Apparatus and method for detecting and displaying form of insertion part of endoscope Human Necessities 28 Expired
US5552602A Electron microscope Electricity 25 Expired
US4952839A Photoconductive device and method of operating the same Electricity 25 Expired
US4888521A Photoconductive device and method of operating the same Electricity 25 Expired
US5101255A Amorphous photoelectric conversion device with avalanche Electricity 24 Expired
US6773394B2 System for detecting the shape of an endoscope using source coils and sense coils Human Necessities 20 Expired
US7195587B2 Apparatus and method using it for detecting and displaying form of insertion part of endoscope inserted into body cavity Human Necessities 18 Expired
US6659353B1 Method of checking authenticity of sheet with built-in electronic circuit chip Physics 17 Expired
US5488386A Imaging apparatus and operation method of the same Electricity 13 Expired
US5880470A Two-dimensional radiation image detector Physics 10 Expired
US5717207A Transmission electron microscope with camera system Electricity 9 Expired
US7279833B2 Light-emitting element and display device using same Electricity 9 Expired
US4980736A Electric conversion device Emerging Cross-Sectional Technologies 8 Expired
US6650063B2 Plasma display panel and image display device using the same Electricity 7 Expired
US9595573B2 Display device having light-emitting elements including metals Electricity 6 Active
US4900975A Target of image pickup tube having an amorphous semiconductor laminate Electricity 6 Expired
US7298029B2 Semiconductor devices and manufacturing method therefor Electricity 6 Expired

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