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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Niranjan Das — 5 Patents

FLFca Us Llc.: 1 patents #519 of 1,371Top 40%
Ann Arbor, MI: #1,658 of 6,071 inventorsTop 30%
Michigan: #18,552 of 86,293 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Niranjan Das has been granted 5 US patents while listed as an inventor at Fca Us Llc.. The first was granted in 1999 and the most recent in January 2025. Niranjan Das ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Niranjan Das in Ann Arbor, MI, US.

Patents per Year

Patents granted per year, 1999 to 2025Bar chart with a peak of 2 patents in 1999.peak 21999: 2 patents19992002: 2 patents20022025: 1 patents2025

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12188530 Hydraulic motion detection via solenoid electronic feedback William R. Mayhew, Steven B. Christ 2025-01-07
6446701 Apparatus for unidirectional solidification of compounds 2002-09-10
6383448 Nickel-based superalloy 2002-05-07
5925198 Nickel-based superalloy 1999-07-20
5916384 Process for the preparation of nickel base superalloys by brazing a plurality of molded cavities 1999-06-29