Inventor · disambiguated record
Yasuhisa Iwasaki
Also filed as: IWASAKI YASUHISA
7 granted patents·1 pending application·44 citations·filing 1977–2004
83Inventor score
Top patents by PatentIndex Score
8 records- 0168US4087458AProcess for preparation of 2-(amylbenzoyl)benzoic acidYAMAMOTO KAGAKU GOSEI KK·Filed 1977·Granted May 2, 1978·10 cites·8 claims
- 0257US6342335B1Polymethine compounds, method of producing same, and use thereofYAMAMOTO CHEMICALS INC·Filed 2000·Granted Jan 29, 2002·15 cites·15 claims
- 0356US6261737B1Polymethine compounds, method of producing same, and use thereofYAMAMOTO CHEMICALS INC·Filed 1999·Granted Jul 17, 2001·6 cites·10 claims
- 0453US6716993B2Polymethine compound and near-infrared absorbing material comprising sameYAMAMOTO CHEMICALS INC·Filed 2003·Granted Apr 6, 2004·2 cites·13 claims
- 0551USRE39105EPolymethine compounds, method of producing same, and use thereofYAMAMOTO CHEMICALS INC·Filed 2004·Granted May 23, 2006·3 cites·15 claims
- 0649US5110952AMethod of producing 3-dibutylamino 6-methyl-7-anilinofluoranYAMAMOTO CHEMICALS INC·Filed 1990·Granted May 5, 1992·4 cites·5 claims
- 0742US4523018ACertain bis(benzoyl)pyridine compoundsYAMAMOTO KAGAKU GOSEI KK·Filed 1982·Granted Jun 11, 1985·4 cites·18 claims
- 0833US2002051939A1Polymethine compound, a process for its production, and use of the compoundFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →