Inventor · disambiguated record
Isao Iizuka
Also filed as: IIZUKA ISAO
4 granted patents·183 citations·filing 1998–2002
80Inventor score
Files withHOYA CORP4
Top patents by PatentIndex Score
4 records- 0191US6533418B1System for making spectacles to orderHOYA CORP·Filed 1998·Granted Mar 18, 2003·116 cites·25 claims
- 0288US6736506B2Eyeglasses made-to-order systemHOYA CORP·Filed 2002·Granted May 18, 2004·50 cites·6 claims
- 0362US6572451B1Spectacle lens machining method and apparatusHOYA CORP·Filed 2001·Granted Jun 3, 2003·10 cites·8 claims
- 0449US6340226B1Spectacles accommodating interchangeable/replaceable lensHOYA CORP·Filed 2000·Granted Jan 22, 2002·7 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →