Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
HK

Hans Kalkman — 5 Patents

SYSysmex: 3 patents #244 of 868Top 30%
Novartis Ag: 2 patents #1,923 of 5,128Top 40%
Uetersen, DE: #5 of 60 inventorsTop 9%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Hans Kalkman has been granted 5 US patents while listed as an inventor at Sysmex. The first was granted in 2011 and the most recent in January 2019. Hans Kalkman ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Hans Kalkman in Uetersen, DE.

Patents per Year

Patents granted per year, 2011 to 2019Bar chart with a peak of 2 patents in 2011.peak 22011: 2 patents20112012: 1 patents20122014: 1 patents20142019: 1 patents2019

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10168320 Hematological analyzer, method for analyzing body fluid and computer program product Takaaki Nagai, Noriyuki Narisada 2019-01-01
8841117 Hematological analyzer, method for analyzing body fluid and computer program product Takaaki Nagai, Noriyuki Narisada 2014-09-23
8314129 Optical isomers of an iloperidone metabolite Dominique Grimler, Hequn Yin 2012-11-20 $7,575,000
8017078 Blood cell analyzer, blood cell analyzing method, and computer program product Jo Linssen 2011-09-13
7977356 Optical isomers of an Iloperidone metabolite Dominique Grimler, Hequn Yin 2011-07-12 $8,981,000