Inventor · Okayama, JP

Naoki Sera

11Patents
5h-index
15Co-inventors
63Inventor score

Filing activity: Oct 5, 1993 → Jul 10, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5461202A Flexible wiring board and its fabrication method Emerging Cross-Sectional Technologies 45 Expired
US5733598A Flexible wiring board and its fabrication method Emerging Cross-Sectional Technologies 15 Expired
US6604278B2 Manufacturing method for panel switch using movable contact unit and the movable contact unit Emerging Cross-Sectional Technologies 13 Expired
US6906274B2 Movable contact unit having press-down projections Electricity 7 Expired
US5848462A Method for mounting an electronic component on a wiring substrate and an illuminating switch unit using this mounting method Emerging Cross-Sectional Technologies 6 Expired
US6924448B2 Movable contact unit with operating projections, method of mounting operating projections and operating panel switch using movable contact unit with operating projections Emerging Cross-Sectional Technologies 5 Expired
US7186939B2 Movable contact unit and panel switch Emerging Cross-Sectional Technologies 2 Expired
US10395859B2 Switch case and switch Electricity 1 Active
US10074495B2 Switch case and switch Electricity 1 Active
US7946720B2 Light guide sheet, movable contact structure using the light guide sheet, method of manufacturing the movable contact structure, and switch using the light guide sheet and the movable contact structure Electricity 0 Active
US10854399B2 Switch case and switch Electricity 0 Active

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