Inventor · disambiguated record
Keizo Kurahashi
Also filed as: KURAHASHI KEIZO
6 granted patents·352 citations·filing 1976–1982
86Inventor score
Files withFUJITSU LTD6
Top patents by PatentIndex Score
6 records- 0197US4550310ATouch sensing deviceFUJITSU LTD·Filed 1982·Granted Oct 29, 1985·162 cites·2 claims
- 0291US4523189AEl display deviceFUJITSU LTD·Filed 1982·Granted Jun 11, 1985·92 cites·8 claims
- 0388US4368467ADisplay deviceFUJITSU LTD·Filed 1981·Granted Jan 11, 1983·67 cites·33 claims
- 0451US4456909AMethod and circuit for selectively driving capacitive display cells in a matrix type displayFUJITSU LTD·Filed 1981·Granted Jun 26, 1984·13 cites·13 claims
- 0542US4458244ASelf shift type gas discharge panel driving systemFUJITSU LTD·Filed 1981·Granted Jul 3, 1984·9 cites·27 claims
- 0641US4139803AMethod and apparatus for detecting the location of a light detecting pen on a gas discharge display panelFUJITSU LTD·Filed 1976·Granted Feb 13, 1979·9 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →