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USPTO Patent Rankings Data through Dec 31, 2025
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Chi Chen — 5 Patents in 2019

DEDelta Electronics: 5 patents #3 of 244Top 2%
Daxi District, TW: #5 of 212 inventorsTop 3%
Overall (2019): #38,195 of 560,194Top 7%
5 Patents 2019

Issued Patents 2019

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10367330 Diffuser, laser-light-source module using the same, and method for manufacturing the same Keh-Su Chang, Chun-Hsien Lu, Yen-I Chou 2019-07-30
10309617 Phosphor wheel Keh-Su Chang, Yen-I Chou, Chun-Hsien Lu 2019-06-04
10310363 Phosphor device with spectrum of converted light comprising at least a color light Keh-Su Chang, Yen-I Chou, Chun-Hsien Lu 2019-06-04
10288992 Laser light source for projector and laser projection device Keh-Su Chang, Chun-Hsien Lu, Yen-I Chou, Po-Tsun Kuo 2019-05-14
10281638 Wavelength converting module and light-source module applying the same Keh-Su Chang, Yen-I Chou, Chun-Hsien Lu 2019-05-07