Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Pascal Rajagopalan — 11 Patents

Merck: 6 patents #1,833 of 9,382Top 20%
EMEmd Millipore: 5 patents #80 of 345Top 25%
Palaiseau, FR: #36 of 657 inventorsTop 6%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Pascal Rajagopalan has been granted 11 US patents while listed as an inventor at Merck. The first was granted in 2012 and the most recent in May 2023. Pascal Rajagopalan ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Pascal Rajagopalan in Palaiseau, FR.

Patents per Year

Patents granted per year, 2012 to 2023Bar chart with a peak of 3 patents in 2013.peak 32012: 1 patents20122013: 3 patents20132014: 1 patents20142016: 1 patents20162017: 2 patents20172020: 1 patents20202022: 1 patents20222023: 1 patents2023

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11650192 Device and method for measuring the total organic carbon content of a sample fluid Julien Gross, Pierre Caruso 2023-05-16 $337,006,000
11286179 Flow-through fluid purification device and means for accommodating a radiation source Julien Gross, Ichiro Kano 2022-03-29 $681,030,000
10768132 Device for measuring the conductivity of a liquid in order to determine very low levels of total organic carbon (TOC) in pure and ultra-pure water Yves Gaignet, Celine Le Ninivin Glipa 2020-09-08 $250,625,000
9695062 Biocidal purification device Julien Gross, Ichiro Kano, Yves Gaignet, Julien Bole 2017-07-04
9617171 Biocidal purification reactor Julien Gross, Ichiro Kano, Yves Gaignet 2017-04-11 $95,499,000
9475708 Biocidal purification device Julien Gross, Ichiro Kano, Yves Gaignet, Julien Bole 2016-10-25 $117,189,000
8793076 Device for measuring the purity of ultrapure water Antony Vanheghe, Celine Le Ninivin Glipa, Aristotelis Dimitrakopoulos 2014-07-29
8618820 Method and device for measuring the purity of ultrapure water Antony Vanheghe, Celine Le Ninivin, Aristotelis Dimitrakopoulos 2013-12-31
8483973 Device for measuring the purity of ultrapure water Antony Vanheghe, Celine Le Ninivin, Aristotelis Dimitrakopoulos 2013-07-09
8377694 Method for the calibration of a device for measuring total organic carbon content Celine Le Ninivin-Glipa, Antony Vanheghe 2013-02-19
8179141 Method and device for measuring the conductivity of a pure or ultrapure liquid Aristotelis Dimitrakopoulos, Celine Le Ninivin, Antony Vanheghe 2012-05-15