Inventor · disambiguated record
Tadashi Okuma
Also filed as: OKUMA TADASHI
5 granted patents·22 citations·filing 1997–2001
76Inventor score
Files withMITSUI CHEMICALS INC5
Top patents by PatentIndex Score
5 records- 0164US7091261B1Yellow 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
- 0263US6407242B1Quinoline derivative and use of sameMITSUI CHEMICALS INC·Filed 2000·Granted Jun 18, 2002·6 cites·1 claims
- 0359US6570025B1Sulfur compound and use thereofMITSUI CHEMICALS INC·Filed 2000·Granted May 27, 2003·4 cites·1 claims
- 0453US6800674B2Anthraquinone compound and water-based ink-jet recording ink containing the compoundMITSUI CHEMICALS INC·Filed 2001·Granted Oct 5, 2004·2 cites·4 claims
- 0531US6132640AQuinoline derivative and use of sameMITSUI CHEMICALS INC·Filed 1997·Granted Oct 17, 2000·5 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →