CH

Chin San Han

Apple: 21 patents #1,528 of 18,612Top 9%
Overall (All Time): #199,793 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
12219877 Multi-element piezo sensors for physiological measurements German A. Alvarez, Santiago Quijano, Stuart Wenzel 2025-02-04
12207905 Pressure sensing in portable electronic devices Robert Keith Montgomery 2025-01-28
12161447 Reflective surfaces for PPG signal detection 2024-12-10
12072288 Multiple light paths architecture and obscuration methods for signal and perfusion index optimization Ueyn L. Block, Brian R. Land, Nevzat Akin Kestelli, Serhan O. Isikman, Albert Wang +1 more 2024-08-27
11839451 Sensing structure for pulse-wave velocity measurement Robert Keith Montgomery, Pablo A. Escobar, Zijing Zeng 2023-12-12
11839450 Pressure sensor module for wearable applanation tonometer Robert Keith Montgomery, Pablo A. Escobar, Zijing Zeng 2023-12-12
11627887 PPG sensor having light arrival angle control at detector Rui L. Peterson 2023-04-18
11624667 Interface pressure sensor system for electronic device Robert Keith Montgomery 2023-04-11
11536653 Multiple light paths architecture and obscuration methods for signal and perfusion index optimization Ueyn L. Block, Brian R. Land, Nevzat Akin Kestelli, Serhan O. Isikman, Albert Wang +1 more 2022-12-27
11397120 Interface pressure sensor system for electronic device Robert Keith Montgomery 2022-07-26
11349063 Multi-element piezo sensor for in-bed physiological measurements German A. Alvarez, Santiago Quijano, Stuart Wenzel 2022-05-31
11166641 Dynamically reconfigurable apertures for optimization of PPG signal and ambient light mitigation 2021-11-09
10874348 Force sensing for PPG heart-rate performance enhancement and contact detection Vivek Venugopal, Ueyn L. Block, Nicholas Paul Joseph Allec 2020-12-29
10687717 PPG sensor having light arrival angle control at detector Rui L. Peterson 2020-06-23
10317200 Multi-mode sensor for surface orientation Brian R. Land 2019-06-11
10247670 Reflective surface treatments for optical sensors Trevor J. Ness, David Nazzaro, Marcelo Lamego, Naoto Matsuyuki, Wolf Oetting 2019-04-02
10215698 Multiple light paths architecture and obscuration methods for signal and perfusion index optimization Ueyn L. Block, Brian R. Land, Nevzat Akin Kestelli, Serhan O. Isikman, Albert Wang +1 more 2019-02-26
10200516 Interlocking ceramic and optical members David Nazzaro, Naoto Matsuyuki, Raul A. Molina, Fletcher R. Rothkopf 2019-02-05
10117587 Dynamically reconfigurable apertures for optimization of PPG signal and ambient light mitigation 2018-11-06
10092197 Reflective surfaces for PPG signal detection 2018-10-09
10078052 Reflective surface treatments for optical sensors Trevor J. Ness, David Nazzaro, Marcelo Lamego, Naoto Matsuyuki, Wolf Oetting 2018-09-18