Inventor · disambiguated record
Hidetoshi Ushiyama
Also filed as: USHIYAMA HIDETOSHI
2 granted patents·1 citations·filing 2009–2014
31Inventor score
Technology areasG02F
Top patents by PatentIndex Score
2 records- 0153US9671640B2Color filter substrate, electro-optical device, and projection-type display deviceSEIKO EPSON CORP·Filed 2014·Granted Jun 6, 2017·0 cites·15 claims
- 0251US8189142B2Electro-optical device, color filter substrate and electronic apparatusTANIGUCHI YOSHIO·Filed 2009·Granted May 29, 2012·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →