Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JK

Jun Koshobu — 6 Patents

JAJasco: 6 patents #7 of 125Top 6%
Tokyo, JP: #23,316 of 90,295 inventorsTop 30%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Jun Koshobu has been granted 6 US patents while listed as an inventor at Jasco. The first was granted in 2014 and the most recent in August 2025. Jun Koshobu ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Jun Koshobu in Tokyo, JP.

Patents per Year

Patents granted per year, 2014 to 2025Bar chart with a peak of 3 patents in 2019.peak 32014: 1 patents20142019: 3 patents20192020: 1 patents20202025: 1 patents2025

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12392712 Infrared circular dichroism measurement apparatus Masaru Shimizu 2025-08-19
10527545 Total reflection measurement device Noriaki Soga, Hiroshi Sugiyama 2020-01-07
10393656 Optical instrument for measuring total reflection absorption spectrum and measuring device Noriaki Soga, Tetsuji Sunami, Tsubasa Asatsuma, Hiroshi Sugiyama 2019-08-27
10317283 Spectrum measurement method using fourier transform type spectroscopic device Tetsuji Sunami, Takashi Shimamura, Norio Wakimoto 2019-06-11
10234665 Infrared microscope Kento Aizawa, Hiroshi Sugiyama 2019-03-19
8797533 Depolarizer and circular dichroism spectrometer using the same Tetsuji Sunami, Keisuke Watanabe 2014-08-05