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

Hirohiko Kozai — 4 Patents

DIDisco: 4 patents #158 of 708Top 25%
Tokyo, JP: #30,468 of 90,295 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Hirohiko Kozai has been granted 4 US patents while listed as an inventor at Disco. The first was granted in 2015 and the most recent in August 2021. Hirohiko Kozai ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Hirohiko Kozai in Tokyo, JP.

Patents per Year

Patents granted per year, 2015 to 2021Bar chart with a peak of 1 patents in 2015.peak 12015: 1 patents20152016: 1 patents20162018: 1 patents20182021: 1 patents2021

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11105752 Inspecting apparatus and processing apparatus including the same Tomoaki Sugiyama, Naoki Morikawa 2021-08-31
9934957 Method of processing bonded wafer Kazuki TERADA, Meiyu Piao 2018-04-03
9396976 Cutting apparatus Yuji Nakanishi 2016-07-19
9159623 Wafer processing method for removing organic debris Atsushi Hattori 2015-10-13