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USPTO Patent Rankings Data through Dec 31, 2025
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RU-YI CAI — 2 Patents

PTPolytronics Technology: 1 patents #42 of 58Top 75%
Shiwen, TW: #15 of 30 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
RU-YI CAI has been granted 2 US patents while listed as an inventor at Polytronics Technology. The first was granted in 2022 and the most recent in July 2024. RU-YI CAI ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list RU-YI CAI in Shiwen, TW.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12023893 Insulated metal substrate and method for manufacturing same Feng Yu, KAI-WEI LO, Wen Feng Lee 2024-07-02
11511521 Insulated metal substrate and method for manufacturing same Feng Yu, KAI-WEI LO, Wen Feng Lee 2022-11-29

Frequent Collaborators

KAI-WEI LO2 shared
Wen Feng Lee2 shared
Feng Yu2 shared

Nearby-Ranked Inventors

Leonard Mattheis2
Yiqi SHI2
Roberto DiCecco2
Haoneng Xu2
Emily Chew2
So Young Bae2
Julian Alexander Georgi2
Yoshihiro Asahara2
Assaf Ariel2