Inventor · disambiguated record
Ryu Oi
Also filed as: OI RYU
19 granted patents·1 pending application·482 citations·filing 1986–2005
95Inventor score
Top patents by PatentIndex Score
20 records- 0195US6104530ATransparent laminates and optical filters for displays using sameMITSUI CHEMICALS INC·Filed 1997·Granted Aug 15, 2000·215 cites·25 claims
- 0294US5804102APlasma display filterMITSUI CHEMICALS INC·Filed 1996·Granted Sep 8, 1998·99 cites·18 claims
- 0391US5705101ANear infrared absorber, preparation process therefor and use thereofMITSUI TOATSU CHEMICALS·Filed 1995·Granted Jan 6, 1998·45 cites·9 claims
- 0484US5788914ANear infrared ray absorbing compound having high durability and its useMITSUI CHEMICALS INC·Filed 1996·Granted Aug 4, 1998·27 cites·12 claims
- 0577US5639809AAzo compounds and polarizing films using the compoundsMITSUI TOATSU CHEMICALS·Filed 1995·Granted Jun 17, 1997·15 cites·8 claims
- 0669US5446142APhthalocyanine and naphthalocyanine light-absorbing compound and optical recording medium containing sameMITSUI TOATSU CHEMICALS·Filed 1993·Granted Aug 29, 1995·17 cites·22 claims
- 0768US5953857AMethod for controlling plant growthMITSUI CHEMICALS INC·Filed 1997·Granted Sep 21, 1999·27 cites·15 claims
- 0866US4694110AProcess for production of m-phenoxybenzyl alcoholMITSUI TOATSU CHEMICALS·Filed 1986·Granted Sep 15, 1987·8 cites·3 claims
- 0964US7091261B1Yellow hue compound and aqueous ink for ink-jet recording system using the sameMITSUI CHEMICALS INC·Filed 2000·Granted Aug 15, 2006·5 cites·2 claims
- 1057US5750229APhthalocyanine compound and optical recording medium containing itMITSUI TOATSU CHEMICALS·Filed 1997·Granted May 12, 1998·5 cites·7 claims
- 1156US5646273APhthalocyanine compound and optical recording medium containing itMITSUI TOATSU CHEMICALS·Filed 1995·Granted Jul 8, 1997·5 cites·16 claims
- 1253US6800674B2Anthraquinone compound and water-based ink-jet recording ink containing the compoundMITSUI CHEMICALS INC·Filed 2001·Granted Oct 5, 2004·2 cites·4 claims
- 1346US5698682AAzo compounds and polarizing films using the compoundsMITSUI TOATSU CHEMICALS·Filed 1997·Granted Dec 16, 1997·3 cites·4 claims
- 1445US4684449AProcess for producing m-hydroxybenzyl alcoholMITSUI TOATSU CHEMICALS·Filed 1986·Granted Aug 4, 1987·5 cites·5 claims
- 1544US2007293666A1Optical Filter and Its Applications, and Porphyrin Compound Used in Optical FilterMITSUI CHEMICALS INC·Filed 2005·Application pending·0 cites
- 1639US5162554AOptically active enantiomers of substituted glyceraldehydes or glycidaldehydes formed as subtituted 1,5- dihydro-3H-2,4-benzodioxepinesMASSACHUSETTS INST TECHNOLOGY·Filed 1991·Granted Nov 10, 1992·1 cites·8 claims
- 1735US5108558AProcess for the electroreduction of aromatic carboxylic acidsMITSUI TOATSU CHEMICALS·Filed 1989·Granted Apr 28, 1992·2 cites·19 claims
- 1833US5750599AQuinophthalone compounds and polarizing films using sameMITSUI TOATSU CHEMICALS·Filed 1997·Granted May 12, 1998·0 cites·4 claims
- 1930US5659039AQuinophthalone compoundsMITSUI TOATSU CHEMICALS·Filed 1995·Granted Aug 19, 1997·1 cites·4 claims
- 2030US5068459AProcess for producing m-phenoxybenzyl alcoholMITSUI TOATSU CHEMICALS·Filed 1990·Granted Nov 26, 1991·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →