Markku Leinonen has been granted 7 US patents while listed as an inventor at Ocuspecto Oy . The first was granted in 2004 and the most recent in January 2021. Markku Leinonen ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Markku Leinonen in Turku, FI.
Patents per Year Patents granted per year, 2004 to 2021 Bar chart with a peak of 4 patents in 2020. peak 4 2004: 1 patents 2004 2016: 1 patents 2016 2020: 4 patents 2020 2021: 1 patents 2021
Issued Patents All Time
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Showing 1–7 of 7 patents
Patent # Title Co-Inventors Date
10898072 Method and system for evaluating reliability of results in a visual reaction test Tapio Mantysalo , Jaakko Suominen , Iris Tigchelaar , Pekka Jarvinen , Elias Maatta +3 more 2021-01-26
10835117 Testing and determining a threshold value Tapio Mantysalo , Harri Kaasalainen , Katariina SAMPINEN , Marika Ojala 2020-11-17
10736502 Testing and determining a threshold value Tapio Mantysalo , Harri Kaasalainen , Katariina SAMPINEN , Marika Ojala 2020-08-11
10702141 Automated perimeter Tapio Mantysalo 2020-07-07
10537240 Method for assessing function of the visual system and apparatus thereof Tapio Mantysalo 2020-01-21
9456740 Method for assessing function of the visual system and apparatus thereof Tapio Mantysalo 2016-10-04
6817715 Method and a device for measuring reading ability and/or visual acuity — 2004-11-16