Inventor
Chin San HAN
Inventor
US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis41%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure26%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
G06FElectric digital data processing7%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers7%
H10NElectric solid-state devices not otherwise provided for7%
H01LSemiconductor devices4%
PatentTitleYear
12,219,877Multi-element piezo sensors for physiological measurements202512,207,905Pressure sensing in portable electronic devices202512,161,447Reflective surfaces for PPG signal detection202412,072,288Multiple light paths architecture and obscuration methods for signal and perfusion index optimization202411,839,450Pressure sensor module for wearable applanation tonometer202311,839,451Sensing structure for pulse-wave velocity measurement202311,627,887PPG sensor having light arrival angle control at detector202311,624,667Interface pressure sensor system for electronic device202311,536,653Multiple light paths architecture and obscuration methods for signal and perfusion index optimization202211,397,120Interface pressure sensor system for electronic device202211,349,063Multi-element piezo sensor for in-bed physiological measurements2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to APPLE INC (11)· patent assignee history
2022–2025Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| APPLE INC | 11 | 2022–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 11 | 2022–2025 |