Inventor · disambiguated record
Nagaharu Hamada
Also filed as: HAMADA N · HAMADA NAGAHARU · HAYASHI YUKITAKA · MINOWA YASUO
21 granted patents·2 pending applications·714 citations·filing 1975–2005
96Inventor score
Files withHITACHI LTD21
Top patents by PatentIndex Score
23 records- 0195US4733308AControl method of vertical scan speedHITACHI LTD·Filed 1986·Granted Mar 22, 1988·232 cites·6 claims
- 0291US4237543AMicroprocessor controlled display systemHITACHI LTD·Filed 1978·Granted Dec 2, 1980·54 cites·8 claims
- 0390US4200869AData display control system with plural refresh memoriesHITACHI LTD·Filed 1978·Granted Apr 29, 1980·56 cites·5 claims
- 0490US4129859ARaster scan type CRT display system having an image rolling functionHITACHI LTD·Filed 1977·Granted Dec 12, 1978·47 cites·5 claims
- 0584US4228430ACRT Display apparatus with changeable cursor indiciaHITACHI LTD·Filed 1977·Granted Oct 14, 1980·46 cites·2 claims
- 0679US4104624AMicroprocessor controlled CRT display systemHITACHI LTD·Filed 1976·Granted Aug 1, 1978·40 cites·4 claims
- 0771US3997891ALight pen detection systemHITACHI LTD·Filed 1975·Granted Dec 14, 1976·31 cites·10 claims
- 0870US4649401AThermal recording apparatusHITACHI LTD·Filed 1985·Granted Mar 10, 1987·21 cites·9 claims
- 0970US4307393ATrend graph display systemHITACHI LTD·Filed 1978·Granted Dec 22, 1981·20 cites·15 claims
- 1064US4597016AEncoding/decoding systemHITACHI LTD·Filed 1984·Granted Jun 24, 1986·13 cites·4 claims
- 1160US5761339AMethod and recording medium for separating and composing background and character image dataHITACHI LTD·Filed 1995·Granted Jun 2, 1998·22 cites·9 claims
- 1260US4149264ACRT display apparatus of raster scanning typeHITACHI LTD·Filed 1977·Granted Apr 10, 1979·14 cites·2 claims
- 1359US5826035AImage display apparatusHITACHI LTD·Filed 1997·Granted Oct 20, 1998·28 cites·13 claims
- 1458US4156904AComputer systems having a common memory shared between a central processor and a CRT displayHITACHI LTD·Filed 1977·Granted May 29, 1979·20 cites·5 claims
- 1554US5943045AImage file, generation method thereof, and image display apparatusHITACHI LTD·Filed 1997·Granted Aug 24, 1999·20 cites·2 claims
- 1651US6088479AMethod and recording medium for separating and composing background and character image dataHITACHI LTD·Filed 1998·Granted Jul 11, 2000·14 cites·4 claims
- 1751US4231032AVariable accuracy trend graph display apparatusHITACHI LTD·Filed 1978·Granted Oct 28, 1980·9 cites·6 claims
- 1847US4694351APicture signal processing apparatusHITACHI LTD·Filed 1986·Granted Sep 15, 1987·11 cites·6 claims
- 1947US2005144049A1Multimedia information delivery system and mobile information terminal deviceFiled 2005·Application pending·0 cites
- 2044US2002026289A1Multimedia information delivery system and mobile information terminal deviceFiled 2001·Application pending·0 cites
- 2137US4713699AA method of controlling the movement of a medium to be printedHITACHI LTD·Filed 1986·Granted Dec 15, 1987·7 cites·8 claims
- 2235US4809215AInformation processing system having decode, write and read meansHITACHI LTD·Filed 1987·Granted Feb 28, 1989·5 cites·10 claims
- 2328US5657248AImage display apparatusHITACHI LTD·Filed 1995·Granted Aug 12, 1997·4 cites·37 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →