Inventor · Beaverton, OR, US

David Martin Hemenway

26Patents
10h-index
32Co-inventors
71Inventor score

Filing activity: Jun 30, 2003 → Nov 9, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US9705289B2 High brightness multijunction diode stacking Electricity 22 Active
US6947454B2 Laser pulse picking employing controlled AOM loading Performing Operations; Transporting 19 Expired
US10283939B2 Low cost optical pump laser package Electricity 16 Active
US9214786B2 Diode laser packages with flared laser oscillator waveguides Electricity 16 Active
US8248688B2 Tandem photonic amplifier Electricity 12 Active
US10261261B2 Passively aligned single element telescope for improved package brightness Electricity 12 Active
US10153608B2 Spectrally multiplexing diode pump modules to improve brightness Electricity 11 Active
US8320424B2 Optical component cleanliness and debris management in laser micromachining applications Performing Operations; Transporting 11 Active
US9627852B2 Diode laser packages with flared laser oscillator waveguides Electricity 10 Active
US8383982B2 Methods and systems for semiconductor structure processing using multiple laser beam spots Electricity 10 Active
US8110775B2 Systems and methods for distinguishing reflections of multiple laser beams for calibration for semiconductor structure processing Electricity 8 Active
US7423818B2 Method of suppressing distortion of a working laser beam of a laser link processing system Performing Operations; Transporting 5 Active
US10833482B2 Diode laser apparatus with FAC lens out-of-plane beam steering Electricity 5 Active
US7817686B2 Laser micromachining using programmable pulse shapes Physics 3 Active
US10630041B2 Beam offset plate for optically offsetting one or more laser beams Electricity 2 Active
US10651355B1 High-power laser diode package implemented with meniscus slow axis collimator for reduced diode package footprint or improved laser output brightness Electricity 2 Active
US10855056B2 Power and brightness scaling in fiber coupled diode lasers using diodes with optimized beam dimensions Physics 2 Active
US10797471B2 Low cost optical pump laser package Electricity 2 Active
US10761276B2 Passively aligned crossed-cylinder objective assembly Physics 1 Active
US10564361B2 Passively aligned single element telescope for improved package brightness Electricity 1 Active
US10063030B2 Diode laser packages with flared laser oscillator waveguides Electricity 1 Active
US11424598B2 Low cost optical pump laser package Electricity 0 Active
US10649241B2 Multi-function semiconductor and electronics processing Performing Operations; Transporting 0 Active
US11979002B2 Diode laser apparatus with FAC lens out-of-plane beam steering Electricity 0 Active
US10158210B2 Optical loss management in high power diode laser packages Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.