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USPTO Patent Rankings Data through Dec 31, 2025
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Masao Kayaba — 2 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Saitama, JP: #5,096 of 10,685 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Masao Kayaba has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 2023 and the most recent in August 2025. Masao Kayaba ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Masao Kayaba in Saitama, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12392015 Printed wiring board, printed circuit board, and electronic component Hisao Ishikawa, Akira Ogihara 2025-08-19
11802322 Method for manufacturing solder product, solder, soldered component, printed wiring board, printed circuit board, wire, soldered product, flexible printed board, electronic component, method for manufacturing tin article, method for manufacturing tin intermediate product, tin intermediate product, and conductive member Hisao Ishikawa, Akira Ogihara 2023-10-31

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