Tsurugi Sudo has been granted 13 US patents while listed as an inventor at Finisar . The first was granted in 2003 and the most recent in July 2025. Tsurugi Sudo ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Tsurugi Sudo in Cupertino, CA, US.
Patents per Year Patents granted per year, 2003 to 2025 Bar chart with a peak of 4 patents in 2010. peak 4 2003: 1 patents 2003 2009: 1 patents 2009 2010: 4 patents 2010 2011: 1 patents 2011 2012: 1 patents 2012 2013: 1 patents 2013 2014: 1 patents 2014 2021: 1 patents 2021 2023: 1 patents 2023 2025: 1 patents 2025
Issued Patents All Time
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Showing 1–13 of 13 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12345595 Eye safety interlock for fiber-coupled high power laser sources Tengda Du , Xiaojie Xu , Martin Kwakernaak 2025-07-01
11811198 High power laser array devices and methods Shiyun Lin 2023-11-07
11086088 Lens-less laser micro-package assembly Bernd Huebner , Shiyun Lin 2021-08-10
8705582 Distributed feedback laser having enhanced etch stop features Ashish Verma , Sumesh Mani K. Thiyagarajan , David Bruce Young 2014-04-22
$12,985,000
8477817 Distributed feedback laser having enhanced etch stop features Ashish Verma , Sumesh Mani K. Thiyagarajan , David Bruce Young 2013-07-02
$8,539,000
8277877 Method for applying protective laser facet coatings Roman Dimitrov , Ashish Verma , Scott Lehmann 2012-10-02
$7,429,000
8067949 Methods for testing lasers using optical burn-in Robert Herrick , Charles B. Roxlo , T. H. Ola Sjolund 2011-11-29
$8,208,000
7858493 Cleaving edge-emitting lasers from a wafer cell Weizhong SUN , Jing Chai 2010-12-28
$2,162,000
7813395 Distributed feedback laser having enhanced etch stop features Ashish Verma , Sumesh Mani K. Thiyagarajan , David Bruce Young 2010-10-12
$9,179,000
7795896 High-power optical burn-in Robert Herrick , Charles B. Roxlo , T. H. Ola Sjolund 2010-09-14
$17,072,000
7763485 Laser facet pre-coating etch for controlling leakage current Roman Dimitrov , Ashish Verma , Scott Lehmann 2010-07-27
$2,738,000
7567601 Semiconductor laser having low stress passivation layer Ashish Verma , Jing Chai , Sumesh Mani K. Thiyagarajan 2009-07-28
$2,345,000
6639241 Optical device using semiconductor Kouji Nakahara 2003-10-28
$159,000
