YT

Yoshihisa Takeyama

ZE Zeon: 13 patents #33 of 734Top 5%
KU Kyushu University, National University: 3 patents #75 of 767Top 10%
Overall (All Time): #360,063 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
12215825 High-pressure hydrogen apparatus gas seal member and high-pressure hydrogen apparatus Shin Nishimura 2025-02-04
12031082 Seal material Masahiro Ueno, Yasuhiro Isoda, Takeshi Terashima 2024-07-09
11649387 Gas seal member for high-pressure hydrogen device, and high-pressure hydrogen device Shin Nishimura 2023-05-16
11584831 Method of producing slurry, method of producing composite resin material, and method of producing shaped product Makoto Takeshita 2023-02-21
11448319 Composition for gas seal member and method of producing same, gas seal member for high-pressure hydrogen device, and high-pressure hydrogen device Shin Nishimura 2022-09-20
11186698 Rubber composition Masahiro Ueno 2021-11-30
11161946 Method of producing composite resin material and method of producing shaped product Shigeru SHUTO 2021-11-02
10982083 Fluorinated elastomer composition and shaped article 2021-04-20
10717850 Composition for gas seal member and gas seal member 2020-07-21
9045617 Ring-opening polymer of cyclopentene and method of production of same Yasuo Tsunogae 2015-06-02
8889806 Ring-opening polymer of cyclopentene and method of production of same Yasuo Tsunogae 2014-11-18
8609005 Stretched film of addition polymer consisting of norbornene compound, process for producing the same and use thereof Atsushi Ishiguro 2013-12-17
8013090 Film comprising norbornene compound addition polymer Atsushi Ishiguro, Yasuo Tsunogae 2011-09-06