Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Takahiro NAGASAWA — 4 Patents

SUSumco: 4 patents #91 of 464Top 20%
Saga, JP: #84 of 352 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Takahiro NAGASAWA has been granted 4 US patents while listed as an inventor at Sumco. The first was granted in 2019 and the most recent in January 2025. Takahiro NAGASAWA ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Takahiro NAGASAWA in Saga, JP.

Patents per Year

Patents granted per year, 2019 to 2025Bar chart with a peak of 2 patents in 2024.peak 22019: 1 patents20192024: 2 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12188880 Method of calibrating coordinate position identification accuracy of laser surface inspection apparatus and method of evaluating semiconductor wafer Keiichiro Mori 2025-01-07
12027428 Semiconductor wafer evaluation method and manufacturing method and semiconductor wafer manufacturing process management method Masahiro Murakami 2024-07-02
11955390 Semiconductor wafer evaluation method and semiconductor wafer manufacturing method Yasuyuki Hashimoto, Hirotaka Kato 2024-04-09
10261125 Semiconductor wafer evaluation standard setting method, semiconductor wafer evaluation method, semiconductor wafer manufacturing process evaluation method, and semiconductor wafer manufacturing method Keiichi Takanashi 2019-04-16