Inventor · Tokyo, JP

Kenichi Ohmae

8Patents
4h-index
7Co-inventors
50Inventor score

Filing activity: Feb 15, 1984 → Oct 6, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US4630200A Electronic cash register capable of performing cash-dispensing transactions Physics 143 Expired
US4673802A System for making payments for transactions Physics 113 Expired
US4562341A Electronic cash register Physics 86 Expired
US7500256B1 Viewing terminal, viewing authorization system, method for authorizing viewing, remote education method, and recorded medium Electricity 33 Expired
US8887187B2 Audio-visual terminal, viewing authentication system and control program Electricity 4 Active
US9319742B2 Audio-visual terminal, viewing authentication system and control program Electricity 1 Active
US9053488B2 Answering terminal, answering method and answer counting system Physics 0 Active
US6570690B1 Optical parallel transmission system Electricity 0 Expired

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