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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Masato Otsu — 6 Patents in 2021

DIDic: 6 patents #1 of 166Top 1%
Shisui, JP: #2 of 79 inventorsTop 3%
Overall (2021): #21,537 of 548,734Top 4%
6 Patents 2021

Issued Patents 2021

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11117872 Oxazine compound, composition and cured product Tomohiro Shimono, Kazuo Arita, Junji Yamaguchi 2021-09-14
11117873 Oxazine compound, composition, and cured product Kazuo Arita, Tomohiro Shimono, Junji Yamaguchi, Etsuko Suzuki 2021-09-14
11104788 Composition, cured product and laminate Kazuo Arita, Etsuko Suzuki, Junji Yamaguchi, Tomohiro Shimono 2021-08-31
11028059 Oxazine compound, composition and cured product Tomohiro Shimono, Junji Yamaguchi, Kazuo Arita 2021-06-08
10981865 Substituted or unsubstituted allyl group-containing maleimide compound, production method therefor, and composition and cured product using said compound Junji Yamaguchi, Tomohiro Shimono, Kazuo Arita 2021-04-20
10913725 Oxazine compound, composition and cured product Tomohiro Shimono, Kazuo Arita, Junji Yamaguchi 2021-02-09