Bright semiconductor variable optical attenuator
US-2025334828-A1 · Oct 30, 2025 · US
This page is not indexed by search engines while we improve data quality.
Ho Calvin patents
Ho Calvin is listed as an inventor on 7 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ho Calvin |
| Total patents | 7 |
| First publication | Jun 21, 2018 |
| Latest publication | Oct 30, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Compact, energy efficient mach-zehnder interferometers and optical attenuators
US-10551643-B2 · Feb 4, 2020 · US
Compact, energy efficient mach-zehnder interferometers and optical attenuators
US-2019235285-A1 · Aug 1, 2019 · US
Planar optical phase shifters with efficient heater placement
US-10345629-B2 · Jul 9, 2019 · US
Compact, energy efficient Mach-Zehnder interferometers and optical attenuators
US-10302975-B2 · May 28, 2019 · US
Compact, energy efficient mach-zehnder interferometers and optical attenuators
US-2018173024-A1 · Jun 21, 2018 · US
Planar optical phase shifters with efficient heater placement
US-2018173025-A1 · Jun 21, 2018 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Neophotonics Corp | 7 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G02F1/2257 | 6 |
| G02F2201/06 | 6 |
| G02F2203/50 | 6 |
| G02F2203/48 | 6 |
| G02F1/0147 | 6 |