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USPTO Patent Rankings Data through Dec 31, 2025
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Ryousuke Ito — 4 Patents

TOTopcon: 4 patents #201 of 684Top 30%
Tokyo, JP: #30,468 of 90,295 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Ryousuke Ito has been granted 4 US patents while listed as an inventor at Topcon. The first was granted in 2010 and the most recent in May 2024. Ryousuke Ito ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ryousuke Ito in Tokyo, JP.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11992267 Ophthalmologic apparatus and ophthalmologic system Shingo Ueno 2024-05-28
11642024 Ophthalmologic apparatus and ophthalmologic system Shingo Ueno 2023-05-09
7909462 Ophthalmologic apparatus Yoshitsugu Takahashi 2011-03-22
7841717 Ophthalmologic apparatus Takeshi Nakamura 2010-11-30