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USPTO Patent Rankings Data through Sept 30, 2025
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Tseng-Lu Chien — 226 Patents

UNUnknown: 37 patents #51 of 83,584Top 1%
Walnut, CA: #1 of 870 inventorsTop 1%
California: #432 of 386,348 inventorsTop 1%
Overall (All Time): #2,544 of 4,157,543Top 1%
226 Patents All Time

Issued Patents All Time

Showing 201–225 of 226 patents

Patent #TitleCo-InventorsDate
5688038 Protective device with E.L. light means 1997-11-18
5683164 Illuminated wheel 1997-11-04
5667736 Method of making a laser generated lighting fixture 1997-09-16
5667394 Electro-luminescent strip and connector set therefor 1997-09-16
5611621 Shoe with an EL light strip 1997-03-18
5601358 Universal power pack 1997-02-11
5599088 Flashing footwear light module 1997-02-04
5572817 Multi-color electro-luminescent light strip and method of making same 1996-11-12
5570945 Soft light-strip Ping-Hsiang Wu 1996-11-05
5570946 Protective headwear including super-thin lighting 1996-11-05
5566384 Vehicle with an EL light strip 1996-10-15
5504397 Neon lamp assembly 1996-04-02
5485358 Universal L.E.D. safety light for head-wear 1996-01-16
5479325 Headgear with an EL light strip 1995-12-26
5475574 Shoulder band with an EL light strip 1995-12-12
5469342 Light-strip apparatus 1995-11-21
5465197 Portable light 1995-11-07
5451842 Electro-luminescent seasonal light apparatus 1995-09-19
D349970 Multi-purpose flash light Ping-Hsiang Wu 1994-08-23
5262756 Solar powered warning light 1993-11-16
D309954 Solar powered outdoor light 1990-08-14
D309953 Solar powered light 1990-08-14
D309787 Solar powered light 1990-08-07
D309786 Solar powered light 1990-08-07
D309785 Solar powered light 1990-08-07