Inventor · Yokohama, JP

Naoki Yoshida

154Patents
23h-index
205Co-inventors
93Inventor score

Filing activity: Nov 17, 1978 → Jun 6, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5735590A Backlighting device with a transparent sheet having straight ridges Physics 137 Expired
US5521797A Backlighting device Emerging Cross-Sectional Technologies 98 Expired
US5262928A Back lighting device Physics 95 Expired
US5093765A Back lighting device for a panel Physics 84 Expired
US5442523A Backlighting device Physics 73 Expired
US4937709A Back lighting device for a liquid crystal panel Physics 51 Expired
US6349027B1 Electric double layer capacitor Emerging Cross-Sectional Technologies 46 Expired
US5618095A Backlighting device Mechanical Engineering; Lighting; Heating 44 Expired
US8203434B2 Wireless power feeding system and capsule endoscope system applied with the same Electricity 43 Active
US7708051B2 Method for manufacture of a physical quantity detector Performing Operations; Transporting 42 Active
US4692598A Temperature controller system Physics 41 Expired
US7387318B2 Piping connector Mechanical Engineering; Lighting; Heating 40 Expired
US5688035A Backlighting device free of a bright line Physics 37 Expired
US5289351A Backlighting device Physics 37 Expired
US6195251A Electrode assembly and electric double layer capacitor having the electrode assembly Emerging Cross-Sectional Technologies 34 Expired
US5392100A Imaging device having dual scanners Electricity 30 Expired
US5886725A Thermal printer having a pivotal thermal head unit Performing Operations; Transporting 30 Expired
US5392199A Back lighting device Physics 29 Expired
US5723510A Method of manufacturing thermoplastic polyester foam sheet Chemistry; Metallurgy 29 Expired
US6215324A Dynamic burn-in test equipment Physics 28 Expired
US6087032A Solid polymer electrolyte type fuel cell Emerging Cross-Sectional Technologies 25 Expired
US4780178A Rotary evaporator with control system Emerging Cross-Sectional Technologies 24 Expired
US5844731A Light reflecting plate Emerging Cross-Sectional Technologies 24 Expired
US5730518A Backlighting device Physics 23 Expired
US4563272A Demineralizer Chemistry; Metallurgy 22 Expired

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