Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
NO

Nobusuke Obata — 3 Patents

TOTopcon: 3 patents #244 of 684Top 40%
Tokyo, JP: #36,070 of 90,295 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Nobusuke Obata has been granted 3 US patents while listed as an inventor at Topcon. The first was granted in 1998 and the most recent in May 2014. Nobusuke Obata ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Nobusuke Obata in Tokyo, JP.

Patents per Year

Patents granted per year, 1998 to 2014Bar chart with a peak of 1 patents in 1998.peak 11998: 1 patents19981999: 1 patents19992014: 1 patents2014

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8724870 Ophthalmic observation apparatus Akihiko Sekine, Katsuhiro Yamada 2014-05-13
5903334 Ophthalmologic apparatus and ophthalmologic-data management system for identifying a type of measuring instrument from ophthalmologic data and managing ophthalmologic data according to measuring instrument type Akio Sakurai, Hisashi Tsukada, Takeshi Suzuki, Jun Suehiro 1999-05-11
5717481 Perimetric measurement apparatus for measuring characteristics of X ganglion cells Satoru Niimura 1998-02-10