Inventor
PI BO
US114 patents
⚠️ This page may combine multiple inventors who share the name “PI BO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHENZHEN GOODIX TECH CO LTD
21 patentsUS10216975B1Feb 26, 2019
Optical imaging via imaging lens and imaging pinhole in under-screen optical sensor module for on-screen fingerprint sensing in devices having organic light emitting diode (OLED) screens or other screens
SHENZHEN GOODIX TECH CO LTD64 citations98
US10438046B2Oct 8, 2019
Multifunction fingerprint sensor having optical sensing against fingerprint spoofing
SHENZHEN GOODIX TECH CO LTD22 citations94
US10437974B2Oct 8, 2019
Optical sensing performance of under-screen optical sensor module for on-screen fingerprint sensing
SHENZHEN GOODIX TECH CO LTD28 citations94
US10410036B2Sep 10, 2019
Under-screen optical sensor module for on-screen fingerprint sensing
SHENZHEN GOODIX TECH CO LTD23 citations94
US10410037B2Sep 10, 2019
Under-screen optical sensor module for on-screen fingerprint sensing implementing imaging lens, extra illumination or optical collimator array
SHENZHEN GOODIX TECH CO LTD29 citations94
US10410033B2Sep 10, 2019
Under-LCD screen optical sensor module for on-screen fingerprint sensing
SHENZHEN GOODIX TECH CO LTD17 citations94
US10331939B2Jun 25, 2019
Multi-layer optical designs of under-screen optical sensor module having spaced optical collimator array and optical sensor array for on-screen fingerprint sensing
SHENZHEN GOODIX TECH CO LTD31 citations94
US10303921B1May 28, 2019
On-LCD screen optical fingerprint sensing based on optical imaging with lens-pinhole module and other optical designs
SHENZHEN GOODIX TECH CO LTD41 citations94
US10325142B2Jun 18, 2019
Multifunction fingerprint sensor
SHENZHEN GOODIX TECH CO LTD14 citations86
US10318791B2Jun 11, 2019
Anti-spoofing sensing for rejecting fake fingerprint patterns in under-screen optical sensor module for on-screen fingerprint sensing
SHENZHEN GOODIX TECH CO LTD19 citations86
US10620745B2Apr 14, 2020
Optical fingerprint sensor with non-touch imaging capability
SHENZHEN GOODIX TECH CO LTD7 citations84
US10614283B2Apr 7, 2020
Devices with peripheral task bar display zone and under-LCD screen optical sensor module for on-screen fingerprint sensing
SHENZHEN GOODIX TECH CO LTD10 citations84
US9990533B2Jun 5, 2018
Self-capacitive fingerprint sensor with active amplified pixels
SHENZHEN GOODIX TECH CO LTD12 citations83
US11804061B2Oct 31, 2023
Optical sensing of fingerprints or other patterns on or near display screen using optical detectors integrated to display screen
SHENZHEN GOODIX TECH CO LTD2 citations73
US11320693B2May 3, 2022
Under-display illumination with external light sources
SHENZHEN GOODIX TECH CO LTD2 citations73
US11237525B2Feb 1, 2022
Smart watch
SHENZHEN GOODIX TECH CO LTD4 citations73
US11216647B2Jan 4, 2022
Anti-spoofing live face sensing for enhancing security of facial recognition
SHENZHEN GOODIX TECH CO LTD3 citations73
US11074467B2Jul 27, 2021
Anti-spoofing of transparent fake object overlays with optical sensing modules
SHENZHEN GOODIX TECH CO LTD3 citations73
US11030434B2Jun 8, 2021
Lens-pinhole array designs in ultra thin under screen optical sensors for on-screen fingerprint sensing
SHENZHEN GOODIX TECH CO LTD2 citations73
US10984213B2Apr 20, 2021
3-dimensional optical topographical sensing of fingerprints using under-screen optical sensor module
SHENZHEN GOODIX TECH CO LTD2 citations73
US10963671B2Mar 30, 2021
Multifunction fingerprint sensor having optical sensing capability
SHENZHEN GOODIX TECH CO LTD5 citations73
OLUMA INC
13 patentsUS6621951B1Sep 16, 2003
Thin film structures in devices with a fiber on a substrate
OLUMA INC69 citations96
US6571035B1May 27, 2003
Fiber optical switches based on optical evanescent coupling between two fibers
OLUMA INC59 citations96
US6556746B1Apr 29, 2003
Integrated fiber devices based on Mach-Zehnder interferometers and evanescent optical coupling
OLUMA INC55 citations96
US6549713B1Apr 15, 2003
Stabilized and integrated fiber devices
OLUMA INC65 citations96
US6542663B1Apr 1, 2003
Coupling control in side-polished fiber devices
OLUMA INC63 citations96
US6516114B2Feb 4, 2003
Integration of fibers on substrates fabricated with grooves
OLUMA INC55 citations96
US6490391B1Dec 3, 2002
Devices based on fibers engaged to substrates with grooves
OLUMA INC60 citations96
US6744948B1Jun 1, 2004
Fiber tap monitor based on evanescent coupling
OLUMA INC28 citations92
US6690857B2Feb 10, 2004
Fiber devices having side evanescent coupling port
OLUMA INC43 citations92
US6625349B2Sep 23, 2003
Evanescent optical coupling between a waveguide formed on a substrate and a side-polished fiber
OLUMA INC33 citations92
US6621952B1Sep 16, 2003
In-fiber variable optical attenuators and modulators using index-changing liquid media
OLUMA INC36 citations92
US6597833B1Jul 22, 2003
Wavelength-division multiplexers and demultiplexers based on mach-zehnder interferometers and evanescent coupling
OLUMA INC22 citations92
US6501875B2Dec 31, 2002
Mach-Zehnder inteferometers and applications based on evanescent coupling through side-polished fiber coupling ports
OLUMA INC54 citations92
SHENZHEN HUIDING TECHNOLOGY CO
9 patentsUS9886613B2Feb 6, 2018
Integration of touch screen and fingerprint sensor assembly
SHENZHEN HUIDING TECHNOLOGY CO23 citations94
US9811713B2Nov 7, 2017
Secure human fingerprint sensor
SHENZHEN HUIDING TECHNOLOGY CO23 citations94
US10128907B2Nov 13, 2018
Fingerprint sensor module-based device-to-device communication
SHENZHEN HUIDING TECHNOLOGY CO10 citations84
US9652034B2May 16, 2017
User interface based on optical sensing and tracking of user's eye movement and position
SHENZHEN HUIDING TECHNOLOGY CO8 citations84
US9626673B2Apr 18, 2017
Financial transaction based on device-to-device communications
SHENZHEN HUIDING TECHNOLOGY CO12 citations84
US9552064B2Jan 24, 2017
Eye tracking and user reaction detection
SHENZHEN HUIDING TECHNOLOGY CO7 citations84
US9585182B2Feb 28, 2017
Device-to-device communications based on capacitive sensing and coupling via human body or direct device-to-device coupling
SHENZHEN HUIDING TECHNOLOGY CO8 citations83
US9218099B2Dec 22, 2015
Device-to-device communications based on capacitive sensing and coupling via human body or direct device-to-device coupling
SHENZHEN HUIDING TECHNOLOGY CO7 citations83
US8982094B2Mar 17, 2015
Device-to-device communications based on capacitive sensing and coupling via human body or direct device-to-device coupling
SHENZHEN HUIDING TECHNOLOGY CO12 citations83
IFOS INC
2 patentsDIGIRAD CORP
1 patentDIGIRAD INC
1 patentNOVA R&D INC
1 patentI FOS INC
1 patentHE YIWU
1 patentShowing the top 50 of 114 patents by PatentIndex Score.