Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12043702 | Polymer, composition, molded article, cured product and laminate | Ryouyuu HIFUMI, Nobuyuki Miyaki, Shintarou Fujitomi, Yasutaka Yoshida, Ryouji Tatara | 2024-07-23 |
| 11582860 | Circuit board | Isao Nishimura, Nobuyuki Miyaki, Shintarou Fujitomi, Tomotaka Shinoda | 2023-02-14 |
| 11505651 | Polymer, composition, molded article, cured product and laminate | Ryouyuu HIFUMI, Nobuyuki Miyaki, Shintarou Fujitomi, Yasutaka Yoshida, Ryouji Tatara | 2022-11-22 |
| 11134568 | High-frequency circuit laminate and method for producing same, and B-stage sheet | Isao Nishimura, Nobuyuki Miyaki, Shintarou Fujitomi, Tomotaka Shinoda | 2021-09-28 |
| 10266650 | Polymer, resin composition and resin molded product | Yuuya Nawate, Yuki Kitamura, Ryoji Tatara, Teruhiko Umehara, Nobuyuki Miyaki | 2019-04-23 |
| 8729219 | Polyarylene block copolymer having sulfonic acid group and use thereof | Yoshitaka Yamakawa, Takuya Murakami, Yuuji Tsunoda | 2014-05-20 |
| 8349994 | Electrode electrolyte for polymer-type fuel cell, and use thereof | Yoshitaka Yamakawa, Fusao Nakagawa, Nagayuki Kanaoka, Takaki Nakagawa | 2013-01-08 |
| 8309678 | Aromatic compound and polyarylene copolymer having nitrogen-containing heterocycle including sulfonic acid group in side chain | Yoshitaka Yamakawa | 2012-11-13 |
| 7651802 | Solid polymer electrolyte, proton conductive membrane, electrode electrolyte, electrode paste and membrane-electrode assembly | Yoshitaka Yamakawa, Toshihiro Ohtsuki, Kohei Goto, Teruhiko Umehara, Nagayuki Kanaoka +2 more | 2010-01-26 |
| 7163988 | Aromatic sulfonic acid ester derivative, polyarylene, polyarylene having sulfonic acid group and process for producing the same, and polymer solid electrolyte and proton-conductive membrane | Igor Rozhanskii, Masayuki Takahashi, Kohei Goto, Yousuke Konno, Toshihiro Ohtsuki +1 more | 2007-01-16 |
| 7115699 | Sulfonated polymer having nitrile-containing hydrophobic block and solid polymer electrolyte | Yoshitaka Yamakawa, Makoto Higami | 2006-10-03 |
| 5173360 | Fabric for inked ribbon and its manufacturing method | Nobutake Hiroe, Tsuyoshi Hatakeda | 1992-12-22 |