Inventor · disambiguated record
Masahiro Ohtsuka
Also filed as: OHTSUKA MASAHIRO
2 granted patents·23 citations·filing 1991–1992
60Inventor score
Technology areasC09B
Files withORIENT CHEMICAL IND2
Top patents by PatentIndex Score
2 records- 0176US5296325ADicyanoimidazole compounds usable as colorants for magenta toners, colored resins, colored molded resin memers and color filtersORIENT CHEMICAL IND·Filed 1992·Granted Mar 22, 1994·18 cites·17 claims
- 0252US5233028ADicyanoimidazole compound derivative, and magenta toner, for colored resin, colored molded resin member and a color filter incorporating itORIENT CHEMICAL IND·Filed 1991·Granted Aug 3, 1993·5 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →