Inventor · disambiguated record
Hisao Hirayama
Also filed as: HIRAYAMA HISAO
5 granted patents·1 pending application·236 citations·filing 1996–2007
84Inventor score
Top patents by PatentIndex Score
6 records- 0193US5886759ALiquid crystal display device having a side edge type back light system with a hue layer in the vicinity of the light sourceHITACHI LTD·Filed 1996·Granted Mar 23, 1999·152 cites·10 claims
- 0287US6530671B2Liquid crystal displayHITACHI ELECTRONIC DEVICES CO·Filed 2001·Granted Mar 11, 2003·33 cites·14 claims
- 0370US6985131B2Liquid crystal display deviceHITACHI ELECTRONIC DEVICES CO·Filed 2001·Granted Jan 10, 2006·16 cites·23 claims
- 0468US6334689B1Liquid crystal displayHITACHI LTD·Filed 1999·Granted Jan 1, 2002·29 cites·3 claims
- 0557US7295263B2Liquid crystal display backlight's light reflection treatment portion that directs light from the light source toward the LCD excluding a transmission region of the LCHITACHI DISPLAYS LTD·Filed 2004·Granted Nov 13, 2007·6 cites·18 claims
- 0636US2007195223A1Liquid crystal display deviceNISHIYAMA SEIICHI·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →