Inventor
Leonard Eugene Fennell
Inventor
San Jose, CA, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Kprimary
G06KGraphical data reading14%
G06VImage or video recognition or understanding14%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
G06FElectric digital data processing11%
H01LSemiconductor devices11%
H10NElectric solid-state devices not otherwise provided for11%
H04NPictorial communication, e.g. television7%
B41JTypewriters4%
G01SRadio direction-finding4%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
PatentTitleYear
11,063,203Apparatus and method for poling a piezoelectric film202111,003,884Fingerprint sensor device and methods thereof202110,036,734Ultrasonic sensor with bonded piezoelectric layer20189,945,818Ultrasonic authenticating button20189,551,783'Display with backside ultrasonic sensor array'20179,323,393'Display with peripherally configured ultrasonic biometric sensor'20165,920,401'Compact document imager'19995,119,183'Color scan array with addressing circuitry'19924,779,107'Modulation electrodes having improved corrosion resistance'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1999Patents assigned to XEROX CORP (3)· patent assignee history
1988Patents assigned to FENNELL LEONARD E (1)· patent assignee history
1988Patents assigned to TUAN HSING C (1)· patent assignee history
1988–1999Based in Half Moon Bay, CA, US· patent location history
2016–2021Patents assigned to QUALCOMM INC (5)· patent assignee history
2016–2021Based in San Jose, CA, US· patent location history
2018Patents assigned to SNAPTRACK INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| QUALCOMM INC | 5 | 2016–2021 |
| XEROX CORP | 3 | 1988–1999 |
| FENNELL LEONARD Eself | 1 | 1988 |
| SNAPTRACK INC | 1 | 2018 |
| TUAN HSING C | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Jose, California, US | 6 | 2016–2021 |
| Half Moon Bay, California, US | 3 | 1988–1999 |