David E. Spence has been granted 10 US patents while listed as an inventor at Spectra Physics Lasers . The first was granted in 2000 and the most recent in July 2023. David E. Spence ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list David E. Spence in San Jose, CA, US.
Patents per Year Patents granted per year, 2000 to 2023 Bar chart with a peak of 2 patents in 2001. peak 2 2000: 1 patents 2000 2001: 2 patents 2001 2002: 1 patents 2002 2003: 1 patents 2003 2004: 1 patents 2004 2014: 1 patents 2014 2018: 1 patents 2018 2020: 1 patents 2020 2023: 1 patents 2023
Issued Patents All Time
Profile Widget
Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
11705688 Laser system having a multi-stage amplifier and methods of use Bor-Chyuan Hwang , Curtis Rettig , Thomas Sosnowski , Georg Wien , Victor Terpugoff +1 more 2023-07-18
10784646 Laser system having a multi-stage amplifier and methods of use Bor-Chyuan Hwang , Curtis Rettig , Thomas Sosnowski , Georg Wein , Victor Terpugoff +1 more 2020-09-22
10014652 Broadly tunable optical parametric oscillator James D. Kafka , James B. Clark , Ching-Yuan Chien , Yujun Deng , Andrei C. Florean 2018-07-03
8902939 Broadly tunable optical parametric oscillator James D. Kafka , Ching-Yuan Chien , Yujun Deng , Andrei C. Florean , Jianping Zhou 2014-12-02
$4,713,000
6822978 Remote UV laser system and methods of use James D. Kafka 2004-11-23
6504858 Lasers with low doped gain medium Emily Cheng , Dave R Dudley , William L. Nighan, Jr. , James D. Kafka , David S. Bell 2003-01-07
6389198 Photonic crystal fiber system for sub-picosecond pulses James D. Kafka 2002-05-14
6236779 Photonic crystal fiber system for sub-picosecond pulses James D. Kafka 2001-05-22
$9,939,000
6185235 Lasers with low doped gain medium Emily Cheng , Dave R Dudley , William L. Nighan, Jr. , James D. Kafka , David S. Bell 2001-02-06
$16,929,000
6021140 Polarization based mode-locking of a laser James B. Clark , Richard Boggy , James D. Kafka 2000-02-01
$16,235,000