Diffractive optical element and method of manufacturing the same
US-11204453-B2 · Dec 21, 2021 · US
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Niwa Maiko patents
Niwa Maiko is listed as an inventor on 8 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Niwa Maiko |
| Total patents | 8 |
| First publication | Mar 17, 2016 |
| Latest publication | Dec 21, 2021 |
Notable patents
Publications ranked by popularity score, then publication date.
Diffractive optical device, endoscopic probe, and fabrication methods therefor
US-2020249377-A1 · Aug 6, 2020 · US
Diffractive optical element and method of manufacturing the same
US-2020103566-A1 · Apr 2, 2020 · US
Diffractive optical element and method of manufacturing the same
US-10545269-B2 · Jan 28, 2020 · US
Diffractive optical element and method of manufacturing the same
US-2018074239-A1 · Mar 15, 2018 · US
Multilayer diffractive optical element
US-9696469-B2 · Jul 4, 2017 · US
Laminated diffraction optical element and production method therefor
US-9557454-B2 · Jan 31, 2017 · US
Multilayer diffractive optical element
US-2016077251-A1 · Mar 17, 2016 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Canon Kk | 7 |
| Canon Usa Inc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G02B5/1895 | 6 |
| G02B5/1857 | 6 |
| G02B5/1814 | 4 |
| G02B7/1815 | 4 |
| G02B5/1838 | 4 |