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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ryosuke Sugihara — 21 Patents

TATayca: 20 patents #1 of 63Top 2%
NTNec Tokin: 1 patents #143 of 299Top 50%
NCNippon Chemi-Con: 1 patents #97 of 199Top 50%
Osaka, JP: #2,012 of 24,344 inventorsTop 9%
Overall (All Time): #201,324 of 4,157,543Top 5%
21 Patents All Time
Ryosuke Sugihara has been granted 21 US patents while listed as an inventor at Tayca. The first was granted in 1996 and the most recent in December 2025. Ryosuke Sugihara ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Ryosuke Sugihara in Osaka, JP.

Patents per Year

Patents granted per year, 1996 to 2022Bar chart with a peak of 2 patents in 1996.peak 21996: 2 patents19961998: 2 patents1999: 1 patents19992002: 1 patents2010: 2 patents20102013: 1 patents2014: 2 patents20142016: 2 patents2017: 1 patents20172018: 2 patents2019: 2 patents20192022: 2 patents2022

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
12486352 Composition, and optical material and lens using same Yousuke IMAGAWA, Kouhei Takemura, Mariko SADO 2025-12-02
11302993 Power storage device composition, power storage device separator using power storage device composition, and power storage device Keiichi Watanabe, Satoru Tsumeda, Shuichi Ishimoto 2022-04-12
11289277 Lithium ion capacitor positive electrode Keiichi Watanabe 2022-03-29
10336859 Method for preparing an electrolyte capacitor Taichi Yamaguchi, Yuhei Tsurumoto 2019-07-02
10208160 Oxidant dopant agent for conductive polymer production, and a solution thereof, and a conductive polymer prepared by using either of them, as well as an electrolyte capacitor using the conductive polymer as an electrolyte Taichi Yamaguchi, Yuhei Tsurumoto 2019-02-19
10049822 Monomer liquid for of conductive polymer production and a manufacturing method of an electrolyte capacitor using the same Taichi Yamaguchi, Yuhei Tsurumoto 2018-08-14
9953767 Conductive polymer dispersion liquid, a conductive polymer, and use thereof Kei Hirota, Kazuto Fujihara 2018-04-24
9589738 Solid electrolyte capacitor and a method for manufacturing the same Kei Hirota 2017-03-07
9460860 Dispersion of electrically conductive polymer, and electrically conductive polymer and use thereof Kei Hirota, Kazuto Fujihara 2016-10-04
9362055 Method for manufacturing solid electrolytic capacitor Kei Hirota 2016-06-07
8710177 Conductive polymer and a solid electrolytic capacitor using the same as a solid electrolyte Kazuto Fujihara, Takashi Ono 2014-04-29
8684576 Solid electrolytic capacitor Yuhei Tsurumoto, Kazuto Fujihara 2014-04-01
8426542 Oxidant and dopant solution for conductive polymer production, a conductive polymer and a solid electrolyte capacitor Yuhei Tsurumoto 2013-04-23
7651639 Conductive polymer and solid electrolytic capacitor using the same Masaaki Tozawa 2010-01-26
7651637 Dopant solution for an electroconductive polymer, an oxidant and dopant solution for an electroconductive polymer, an electroconductive composition and a solid electrolytic capacitor 2010-01-26
6423320 Inhibitor of immunoglobulin E antibody production Hitoshi Oomori, Yoichi Ooiso 2002-07-23
5989874 Humectant, antistatic agent, dispersant and film-forming agent having polysaccharide as active principle, preparation process of polysaccharides, and Kliebsiella ocytoca TNM-3 strain Osamu Nakanishi, Yoichi Ooiso, Takeshi Okumiya, Kaoru Kawashima 1999-11-23
5760213 Immunoactivating agent Yoichi Ooiso, Hitoshi Oomori 1998-06-02
5739014 Polysaccharide, process for production thereof, use thereof, and agrobacterium radiobacter TNM2 strain Osamu Nakanishi, Yoichi Ooiso, Takeshi Okumiya, Kaoru Kawashima, Akira Misaki +1 more 1998-04-14
5527904 Polysaccharides, process for producing polysaccharides, uses of polysaccharides and Azotobacter beijerinckii TNM1 Osamu Nakanishi, Yoichi Ooiso, Takeshi Okumiya, Akira Misaki, Masahira Nakagawa 1996-06-18
5508190 Azotobacter beijerinckii TNM1 Osamu Nakanishi, Yoichi Ooiso, Takeshi Okumiya, Akira Misaki, Masahira Nakagawa 1996-04-16