Inventor · disambiguated record
Yasunori Izawa
Also filed as: IZAWA YASUNORI
10 granted patents·160 citations·filing 1993–2022
85Inventor score
Top patents by PatentIndex Score
10 records- 0192US5442413APupil conjugate-coupling device in projecting optical systemASAHI OPTICAL CO LTD·Filed 1993·Granted Aug 15, 1995·127 cites·39 claims
- 0268US11886047B2Spectacle lenses and methods for producing the sameASAMI HIROSHI·Filed 2022·Granted Jan 30, 2024·0 cites·8 claims
- 0361US11598977B2Spectacle lenses and methods for producing the sameASAMI HIROSHI·Filed 2018·Granted Mar 7, 2023·0 cites·15 claims
- 0459US12140821B2Progressive addition lens and design method thereforHOYA LENS THAILAND LTD·Filed 2019·Granted Nov 12, 2024·0 cites·9 claims
- 0557US12099260B2Progressive addition lens and design method thereforHOYA LENS THAILAND LTD·Filed 2019·Granted Sep 24, 2024·0 cites·9 claims
- 0657US9772511B2Eyeglass lens and eyeglass lens manufacturing methodHOYA LENS THAILAND LTD·Filed 2014·Granted Sep 26, 2017·1 cites·12 claims
- 0750US5719657AProgressive power lensASAHI OPTICAL CO LTD·Filed 1997·Granted Feb 17, 1998·19 cites·7 claims
- 0848US10185159B2Progressive power lens and method of designing and manufacturing the sameHOYA LENS THAILAND LTD·Filed 2015·Granted Jan 22, 2019·0 cites·7 claims
- 0946US10203520B2Progressive power lens groupHOYA LENS THAILAND LTD·Filed 2015·Granted Feb 12, 2019·0 cites·5 claims
- 1043US5353072AAspherical spectacle lensASAHI OPTICAL CO LTD·Filed 1993·Granted Oct 4, 1994·13 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →