Inventor · disambiguated record
Akihiko Kougami
Also filed as: KOUGAMI AKIHIKO
13 granted patents·402 citations·filing 1982–2002
94Inventor score
Top patents by PatentIndex Score
13 records- 0195US6518977B1Color image display apparatus and methodHITACHI LTD·Filed 2000·Granted Feb 11, 2003·73 cites·8 claims
- 0290US6208467B1Display apparatus for displaying an image having gradationHITACHI LTD·Filed 2000·Granted Mar 27, 2001·37 cites·29 claims
- 0387US6407506B1Display apparatus, display method and control-drive circuit for display apparatusHITACHI LTD·Filed 2000·Granted Jun 18, 2002·31 cites·36 claims
- 0484US6014258AColor image display apparatus and methodHITACHI LTD·Filed 1998·Granted Jan 11, 2000·54 cites·24 claims
- 0583US6100939ATone display method and apparatus for displaying image signalHITACHI LTD·Filed 1996·Granted Aug 8, 2000·63 cites·63 claims
- 0680US6028573ADriving method and apparatus for display deviceHITACHI LTD·Filed 1996·Granted Feb 22, 2000·61 cites·25 claims
- 0779US6333766B1Tone display method and apparatus for displaying image signalHITACHI LTD·Filed 2000·Granted Dec 25, 2001·18 cites·10 claims
- 0876US6741227B2Color image display apparatus and methodHITACHI LTD·Filed 2002·Granted May 25, 2004·16 cites·16 claims
- 0965US6633268B2AC-type plasma display apparatusHITACHI LTD·Filed 2001·Granted Oct 14, 2003·8 cites·25 claims
- 1061US6008687ASwitching circuit and display device using the sameHITACHI LTD·Filed 1996·Granted Dec 28, 1999·28 cites·9 claims
- 1160US6504310B2Display apparatusHITACHI LTD·Filed 2002·Granted Jan 7, 2003·5 cites·5 claims
- 1239US4521816AMagnetic recording method for digital signalHITACHI ELECTRONICS·Filed 1982·Granted Jun 4, 1985·4 cites·6 claims
- 1334US4799058ADriving apparatus for a gas discharge display panelHITACHI LTD·Filed 1985·Granted Jan 17, 1989·4 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →