Inventor · disambiguated record
Takayuki Hirai
Also filed as: HIRAI TAKAYUKI
3 granted patents·52 citations·filing 1992–1997
71Inventor score
Technology areasG02C
Files withMURAI KK3
Top patents by PatentIndex Score
3 records- 0177US5912718ASpectacles with decoration attachmentMURAI KK·Filed 1997·Granted Jun 15, 1999·41 cites·30 claims
- 0241US5469230ASpectacles with decorationMURAI KK·Filed 1992·Granted Nov 21, 1995·10 cites·10 claims
- 0327US5724117ASpectacles with decorationMURAI KK·Filed 1995·Granted Mar 3, 1998·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →