Interlocked n-by-n wavelength selective switch
US-2026050125-A1 · Feb 19, 2026 · US
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Chen Helen patents
Chen Helen is listed as an inventor on 27 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Chen Helen |
| Total patents | 27 |
| First publication | Jan 22, 2015 |
| Latest publication | Feb 19, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Method and system for optical switching with integrated polarization diversity control
US-12541134-B2 · Feb 3, 2026 · US
Method And System For Optical Switching With Integrated Polarization Diversity Control
US-2025298286-A1 · Sep 25, 2025 · US
Miniaturized diffuser-driven active infrared (ir) sensor
US-2025237748-A1 · Jul 24, 2025 · US
Tunable optical wedge for reducing crosstalk in wavelength selective switch
US-12345998-B2 · Jul 1, 2025 · US
Implementing enhanced computer security standard for secure cryptographic key storage using a software-based keystore
US-12261950-B2 · Mar 25, 2025 · US
Systems and Methods for Interconnecting Heterogenous Radios Over 3GPP-Based Communications Networks
US-2024388891-A1 · Nov 21, 2024 · US
Reconfigurable port arrays for wavelength selectable switch
US-11906823-B2 · Feb 20, 2024 · US
Tunable optical wedge for reducing crosstalk in wavelength selective switch
US-2023393445-A1 · Dec 7, 2023 · US
Tunable optical wedge for beam steering
US-11789331-B2 · Oct 17, 2023 · US
Recent patents
Latest publications not already listed above.
Implementing enhanced computer security standard for secure cryptographic key storage using a software-based keystore
US-2023246829-A1 · Aug 3, 2023 · US
Integrated Module Having Multiple Optical Channel Monitors With Shared Liquid Crystal Based Switching Assembly
US-2023061448-A1 · Mar 2, 2023 · US
Tunable Optical Wedge For Beam Steering
US-2022357630-A1 · Nov 10, 2022 · US
Reconfigurable Port Arrays For Wavelength Selectable Switch
US-2022334416-A1 · Oct 20, 2022 · US
Tunable optical wedge for beam steering
US-11422429-B1 · Aug 23, 2022 · US
Integrated Module Having Multiple Optical Channel Monitors With Shared Liquid Crystal Based Switching Assembly
US-2022252793-A1 · Aug 11, 2022 · US
Optimization of wavelength selective switch using phase control of liquid crystal spatial light modulator
US-11016441-B2 · May 25, 2021 · US
Antidiabetic bicyclic compounds
US-10968193-B2 · Apr 6, 2021 · US
Multiple wavelength selective switch with shared switch
US-10367596-B1 · Jul 30, 2019 · US
[5,6]—fused bicyclic antidiabetic compounds
US-10100042-B2 · Oct 16, 2018 · US
Antidiabetic bicyclic compounds
US-9840512-B2 · Dec 12, 2017 · US
Antidiabetic bicyclic compounds
US-2017217918-A1 · Aug 3, 2017 · US
[5,6]-fused bicyclic antidiabetic compounds
US-2017210727-A1 · Jul 27, 2017 · US
Preparation and use of bicyclic himbacine derivatives as PAR-1 receptor antagonists
US-9340530-B2 · May 17, 2016 · US
Antidiabetic bicyclic compounds
US-2016002255-A1 · Jan 7, 2016 · US
Inhibitors of the Renal Outer Medullary Potassium channel
US-9139585-B2 · Sep 22, 2015 · US
Preparation and use of bicyclic himbacine derivatives as par-1 receptor antagonists
US-2015025046-A1 · Jan 22, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Ii Vi Delaware Inc | 14 |
| Merck Sharp & Dohme | 9 |
| Chen Helen | 2 |
| Guo Yan | 2 |
| Miller Michael | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| A61K45/06 | 8 |
| C07D405/14 | 7 |
| H04J14/0212 | 6 |
| C07D405/10 | 6 |
| G02F1/31 | 6 |