Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Hiroshi Umetani — 3 Patents

TIToray Industries: 2 patents #1,308 of 3,690Top 40%
SCSekisui Polymatech Co.: 1 patents #20 of 38Top 55%
Moriyama, JP: #916 of 2,577 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Hiroshi Umetani has been granted 3 US patents while listed as an inventor at Toray Industries. The first was granted in 2017 and the most recent in October 2023. Hiroshi Umetani ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Hiroshi Umetani in Moriyama, JP.

Patents per Year

Patents granted per year, 2017 to 2023Bar chart with a peak of 1 patents in 2017.peak 12017: 1 patents20172018: 1 patents20182023: 1 patents2023

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11781052 Thermally conductive composition and thermally conductive molded body 2023-10-10
10159942 Separation membrane, sheet channel material, and separation membrane element Yoshie Marutani, Hiroyuki Yamada, Hiroho Hirozawa, Kentaro Takagi, Yoshiki Okamoto +4 more 2018-12-25
9764291 Spiral separation membrane element and method for producing same Hiroho Hirozawa, Masakazu Koiwa, Kentarou Takagi, Masahiro Kimura 2017-09-19