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USPTO Patent Rankings Data through Dec 31, 2025
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Takuto Nakao — 3 Patents

SASan-Apro: 3 patents #5 of 35Top 15%
TCTokyo Ohka Kogyo Co.: 1 patents #437 of 684Top 65%
Kyoto, JP: #4,945 of 11,909 inventorsTop 45%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Takuto Nakao has been granted 3 US patents while listed as an inventor at San-Apro. The first was granted in 2024 and the most recent in September 2025. Takuto Nakao ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Takuto Nakao in Kyoto, JP.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12422747 Negative photosensitive resin composition, pattern formation method, and laminated film Tomoyuki SHIBAGAKI, Yuji Nakamura, Kenichi YAMAGATA, Takahiro Kondo, Masahiro Masujima +1 more 2025-09-23
12129240 Sulfonium salt, photoacid generator, curable composition and resist composition — 2024-10-29
11926581 Sulfonium salt, photoacid generator, curable composition, and resist composition Yusaku Takashima 2024-03-12

Frequent Collaborators

Tomoyuki SHIBAGAKI1 shared
Yuji Nakamura1 shared
Kenichi YAMAGATA1 shared
Yusaku Takashima1 shared
Hirofumi Imai1 shared
Masahiro Masujima1 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3