Tetsuhiro Oka has been granted 9 US patents while listed as an inventor at Olympus . The first was granted in 2017 and the most recent in May 2022. Tetsuhiro Oka ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Tetsuhiro Oka in Tokyo, JP.
Patents per Year Patents granted per year, 2017 to 2022 Bar chart with a peak of 4 patents in 2021. peak 4 2017: 1 patents 2017 2020: 2 patents 2020 2021: 4 patents 2021 2022: 2 patents 2022
Issued Patents All Time
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Showing 1–9 of 9 patents
Patent # Title Co-Inventors Date
11324385 Endoscope system for processing second illumination image using image information other than image information about outermost surface side of subject among three image information from at least four images of first illumination images — 2022-05-10
11278195 Illumination optical system — 2022-03-22
11172808 Endoscope — 2021-11-16
11070739 Endoscope system having a first light source for imaging a subject at different depths and a second light source having a wide band visible band Koji Matsumoto , Sho Shinji , Kenji Urushibata , Hiroyuki Kubo 2021-07-20
11045081 Endoscope system Koji Matsumoto , Sho Shinji 2021-06-29
10972675 Endoscope system Sho Shinji , Koji Matsumoto , Kenji Urushibata , Hiroyuki Kubo 2021-04-06
10709320 Illumination optical system and image-acquisition apparatus — 2020-07-14
10602041 Image capturing device — 2020-03-24
9739450 Light-source optical system, fiber light source, microscope, and automotive headlight — 2017-08-22