Inventor
Kenneth A. Fesler
Inventor
Sunnyvale, CA, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Cprimary
G01CMeasuring distances, levels or bearings14%
G01DMeasuring not specially adapted for a specific variable10%
G02BOptical elements, systems or apparatus10%
B41JTypewriters7%
G01BMeasuring length, thickness or similar linear dimensions7%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light7%
G06FElectric digital data processing7%
G08BSignalling systems, e.g. personal calling systems7%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
PatentTitleYear
10,094,648Homodyne optical sensor system incorporating a multi-phase beam combining system20186,891,994'Micro optical design for DWDM interleavers with narrow channel spacing'20056,535,145'Ideographic keyboard and method'20035,995,553'Encoder/decoder for emergency alert system'19995,917,887'Emergency alert communication system wherein emergency messages are received by a radio frequency receiver and routed to a telephone device'19995,791,792'Ideographic typewriter and method'19985,355,216'Optical fiber sensor having digital integrating detection system utilizing electronic phase lock loop'19945,235,404'Interferometric technique for measurement of nonreciprocal optical effects in a sample'19935,108,183'Interferometer utilizing superfluorescent optical source'19925,106,193'Optical waveguide amplifier source gyroscope'19924,964,131'Broadband optical fiber laser'19904,818,064'Sensor array and method of selective interferometric sensing by use of coherence synthesis'19894,770,535'Distributed sensor array and method using a pulsed signal source'19884,735,484'Acousto-optic frequency shifter utilizing multi-turn optical fiber'19884,697,926'Coherent distributed sensor and method using short coherence length sources'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1994Patents assigned to UNIV LELAND STANFORD JUNIOR (7)· patent assignee history
1987–2018Based in Sunnyvale, CA, US· patent location history
1993Patents assigned to TRUSTEES LELAND STANFORD JUNIO (1)· patent assignee history
1998–2003Based in Stanford, CA, US· patent location history
1999Patents assigned to TFT INC (2)· patent assignee history
2005Patents assigned to STRATOS INT INC (1)· patent assignee history
2018Patents assigned to KEYSIGHT TECHNOLOGIES INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV LELAND STANFORD JUNIOR | 7 | 1987–1994 |
| TFT INC | 2 | 1999 |
| KEYSIGHT TECHNOLOGIES INC | 1 | 2018 |
| STRATOS INT INC | 1 | 2005 |
| TRUSTEES LELAND STANFORD JUNIO | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sunnyvale, California, US | 12 | 1987–2018 |
| Stanford, California, US | 3 | 1998–2003 |