Inventor · Nara, JP

Hiroshi Nakauchi

12Patents
8h-index
12Co-inventors
58Inventor score

Filing activity: Aug 26, 1976 → Dec 11, 1979

Most-cited inventions

PatentTitleAreaCited byStatus
US4310220A Electrochromic display with one porous separator Physics 35 Expired
US4217579A Method of driving electrochromic display means and electrochromic display means therefor Physics 34 Expired
US4302751A Driver circuit for electrochromic displays Physics 33 Expired
US4205903A Writing/erasing technique for an electrochromic display cell Physics 21 Expired
US4322133A Method of driving electrochromic display device and electrochromic display device therefor Physics 10 Expired
US4300138A Electric memory detector in an ECD driver Physics 9 Expired
US4201985A Constant current supply drive for electrochromic displays of the segmented type Physics 8 Expired
US4153344A Lead-in electrode structure for electrochromic displays of the segmented type Physics 8 Expired
US4253741A Electrochromic display device Physics 8 Expired
US4150362A Regeneration of a memory state in electrochromic displays Physics 6 Expired
US4295138A Combined constant potential and constant voltage driving technique for electrochromic displays Physics 6 Expired
US4312000A Driving technique for electrochromic displays of the segmented type including means for detecting a change in the display state of the segments thereof Physics 2 Expired

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