Inventor · disambiguated record
Masaaki Kitazima
Also filed as: KITAZIMA MASAAKI
8 granted patents·356 citations·filing 1975–1991
90Inventor score
Files withHITACHI LTD8
Top patents by PatentIndex Score
8 records- 0191US4380008AMethod of driving a matrix type phase transition liquid crystal display device to obtain a holding effect and improved response time for the erasing operationHITACHI LTD·Filed 1979·Granted Apr 12, 1983·58 cites·6 claims
- 0291US4062626ALiquid crystal display deviceHITACHI LTD·Filed 1975·Granted Dec 13, 1977·53 cites·17 claims
- 0386US4750813ADisplay device comprising a delaying circuit to retard signal voltage application to part of signal electrodesHITACHI LTD·Filed 1987·Granted Jun 14, 1988·63 cites·10 claims
- 0484US4770502AFerroelectric liquid crystal matrix driving apparatus and methodHITACHI LTD·Filed 1987·Granted Sep 13, 1988·52 cites·8 claims
- 0584US4532506AMatrix display and driving method thereforHITACHI LTD·Filed 1982·Granted Jul 30, 1985·46 cites·16 claims
- 0677US5537054AMethod for testing an on-off function of semiconductor devices which have an isolated terminalHITACHI LTD·Filed 1986·Granted Jul 16, 1996·36 cites·20 claims
- 0768US5287095ADisplay device and its displaying methodHITACHI LTD·Filed 1991·Granted Feb 15, 1994·33 cites·17 claims
- 0865US4649517AInformation holding deviceHITACHI LTD·Filed 1984·Granted Mar 10, 1987·15 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →