Inventor · disambiguated record
Yoshio Hiroi
Also filed as: HIROI YOSHIO
4 granted patents·48 citations·filing 1989–1993
75Inventor score
Top patents by PatentIndex Score
4 records- 0168US5378274AColor filter, method for manufacture thereof and liquid crystal projector using said color filterIDEMITSU KOSAN CO·Filed 1993·Granted Jan 3, 1995·28 cites·5 claims
- 0259US5110964AProcess for producing ferrocenoyl derivativesIDEMITSU KOSAN CO·Filed 1990·Granted May 5, 1992·8 cites·6 claims
- 0358US5015748ANovel ferrocene derivatives, surfactants containing same and a process for producing organic thin filmsIDEMITSU KOSAN CO·Filed 1989·Granted May 14, 1991·10 cites·24 claims
- 0433US5135619AProcess for producing organic thin filmsIDEMITSU KOSAN CO INC·Filed 1991·Granted Aug 4, 1992·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →