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USPTO Patent Rankings Data through Dec 31, 2025
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Emin Chou — 2 Patents

SPSource Photonics: 2 patents #10 of 54Top 20%
Hsinchu, TW: #6,741 of 13,380 inventorsTop 55%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Emin Chou has been granted 2 US patents while listed as an inventor at Source Photonics. The first was granted in 2016 and the most recent in June 2020. Emin Chou ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Emin Chou in Hsinchu, TW.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
RE48029 WDM multiplexing/de-multiplexing system and the manufacturing method thereof Yung-Cheng Chang, Ken Kuo 2020-06-02
9229167 WDM multiplexing/de-multiplexing system and the manufacturing method thereof Yung-Cheng Chang, Ken Kuo 2016-01-05