BJ

Bertram C. Johnson

SP Spectra-Physics: 7 patents #14 of 257Top 6%
SL Spectra Physics Lasers: 3 patents #13 of 59Top 25%
WL Wildt Mellor Bromley Limited: 2 patents #1 of 9Top 15%
LO Lumentum Operations: 1 patents #171 of 299Top 60%
Overall (All Time): #349,638 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9568803 Cascaded optical harmonic generation James J. Morehead, Loren Eyres, Martin H. Muendel, Derek A. TUCKER 2017-02-14
5477378 Multiple crystal non-linear frequency conversion apparatus 1995-12-19
5390211 Optical parametric oscillator with unstable resonator James B. Clark 1995-02-14
5272713 High repetition rate pulsed laser Mark S. Sobey, Glen R. Blevins 1993-12-21
5001716 Tunable electro-optic Q-switch, and lasers using same Richard L. Herbst, Glen R. Blevins 1991-03-19
4955725 Laser oscillator/amplifier with compensation for stress birefringence Richard L. Herbst 1990-09-11
4935932 Apparatus using induced birefringence to improve laser beam quality John C. DiFonzo, Richard L. Herbst 1990-06-19
4918395 Multipass laser amplifier with at least one expanded pass John C. DiFonzo 1990-04-17
4894837 Absorbing filter in pump cavity for control of beam quality John C. DiFonzo 1990-01-16
4873692 Pulsed tunable solid state laser John C. DiFonzo, Richard L. Herbst 1989-10-10
4872181 Laser resonator with laser medium exhibiting thermally induced birefringence Richard L. Herbst 1989-10-03
4612785 Dials for circular knitting machines Arthur Ramsden Smith 1986-09-23
4404821 Yarn feeder and changer unit Arthur Ramsden Smith 1983-09-20
4253316 Shogging mechanisms Osmond H. Ecob 1981-03-03