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USPTO Patent Rankings Data through Dec 31, 2025
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Shivkumar Chiruvol — 2 Patents

NANanogram: 2 patents #25 of 44Top 60%
Sunnyvale, CA: #8,082 of 14,302 inventorsTop 60%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Shivkumar Chiruvol has been granted 2 US patents while listed as an inventor at Nanogram. The first was granted in 2013 and the most recent in December 2015. Shivkumar Chiruvol ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Shivkumar Chiruvol in Sunnyvale, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9199435 Dispersions of silicon nanoparticles Nobuyuki Kambe 2015-12-01
8515232 Polymer-inorganic particle composites Nobuyuki Kambe, Yigal Do Blum, Benjamin Chaloner-Gill, Sujeet Kumar, David Brent MacQueen 2013-08-20