JK

Jan Kåhre

JO Janesko Oy: 2 patents #5 of 8Top 65%
📍 Helsinki, FI: #890 of 3,940 inventorsTop 25%
Overall (All Time): #1,220,370 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8760640 Optical system — 2014-06-24
5742382 Refractometer — 1998-04-21
5617201 Method for refractometer measuring using mathematical modelling — 1997-04-01
5309288 Prismatic device for use with process refractometers — 1994-05-03