Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Tokyo Electron Limited › Teppei Okumura
TO

Teppei Okumura — 4 Patents

TLTokyo Electron Limited: 2 patents #2,602 of 5,567Top 50%
DCDaido Steel Co.: 1 patents #95 of 272Top 35%
JAJapan Aerospace Exploration Agency: 1 patents #160 of 546Top 30%
Nirasaki, JP: #201 of 449 inventorsTop 45%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Teppei Okumura has been granted 4 US patents while listed as an inventor at Tokyo Electron Limited. The first was granted in 2021 and the most recent in August 2025. Teppei Okumura ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Teppei Okumura in Nirasaki, JP.

Patents per Year

Patents granted per year, 2021 to 2025Bar chart with a peak of 2 patents in 2021.peak 22021: 2 patents20212024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12381090 Etching method and etching apparatus Toshinori Debari, Reiko SASAHARA, Woonghyun Jeung, Kenshiro ASAHI, Hiroyuki Abe +1 more 2025-08-05
12025110 Charging mitigation device and electric discharge avoidance method Shinatora CHO, Yasushi Ohkawa, Hiroyuki Okamoto 2024-07-02
11154929 Metal powder material Koichiro SEKIMOTO 2021-10-26
10964546 Substrate processing method and method for removing boron-doped silicon Reiko SASAHARA, Tsuhung Huang 2021-03-30

Frequent Collaborators

Reiko SASAHARA2 shared
Shinatora CHO1 shared
Tsuhung Huang1 shared
Hiroyuki Abe1 shared
Hiroyuki Okamoto1 shared
Seungmin Kim1 shared

Nearby-Ranked Inventors

Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
Franz A. Gruswitz4
Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4