Flexible electro-active lens
US-10126569-B2 · Nov 13, 2018 · US
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Blum Ronald D patents
Blum Ronald D holds 6 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 6 |
| Recent patents | 0 |
| First publication | Feb 3, 2015 |
| Latest publication | Nov 13, 2018 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Flexible dynamic electro-active lens
US-9155614-B2 · Oct 13, 2015 · US
Multifocal lens having a progressive optical power region and a discontinuity
US-9033494-B2 · May 19, 2015 · US
Ophthalmic lenses with aspheric optical features
US-9022563-B2 · May 5, 2015 · US
Electro-active spectacle frames
US-8979259-B2 · Mar 17, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Flexible electro-active lens
US-10126569-B2 · Nov 13, 2018 · US
Flexible dynamic electro-active lens
US-9155614-B2 · Oct 13, 2015 · US
Multifocal lens having a progressive optical power region and a discontinuity
US-9033494-B2 · May 19, 2015 · US
Ophthalmic lenses with aspheric optical features
US-9022563-B2 · May 5, 2015 · US
Electro-active spectacle frames
US-8979259-B2 · Mar 17, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| G02C7/083 | 3 |
| G02C2202/20 | 3 |
| G02C7/06 | 3 |
| G02C7/04 | 2 |
| G02C7/049 | 2 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Physics | 6 |
| Human Necessities | 2 |
| Chemistry & Metallurgy | 2 |