Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12234565 | Composite electrolyte membrane | Kenta Minamibayashi, Yoshitsugu Funatsu, Yoko Sakiyama, Daisuke Ogata | 2025-02-25 |
| 12199324 | Composite electrolyte membrane, electrolyte membrane having catalyst layer attached thereto, membrane-electrode composite, solid polymer-type fuel cell, and method for producing composite electrolyte membrane | Kenta Minamibayashi, Tomoyuki Kunita, Daisuke Ogata | 2025-01-14 |
| 12148964 | Composite polymer electrolyte membrane, electrolyte membrane with catalyst layer, membrane-electrode assembly, and solid polymer fuel cell | Tomoyuki Kunita, Kenta Minamibayashi, Daisuke Ogata | 2024-11-19 |
| 12062824 | Method and apparatus for producing membrane electrode assembly | Yuta Shintaku, Ryuta SAKASHITA, Kiyoshi Minoura, Mei Kumagai | 2024-08-13 |
| 12040497 | Method of manufacturing and device for manufacturing membrane-catalyst assembly | Ryuta SAKASHITA, Yuta Shintaku, Kiyoshi Minoura, Mei Abe | 2024-07-16 |
| 11973252 | Multilayer electrolyte membrane, membrane electrode assembly, water electrolysis-type hydrogen generator and method of producing multilayer electrolyte membrane | Kenta Minamibayashi, Daisuke Ogata, Shusuke Shirai | 2024-04-30 |
| 11929511 | Manufacturing method and manufacturing device for film/catalyst assembly | Yuta Shintaku, Ryuta SAKASHITA, Kiyoshi Minoura, Mei Kumagai | 2024-03-12 |
| 11652215 | Method of manufacturing and device for manufacturing membrane-catalyst assembly | Ryuta SAKASHITA, Yuta Shintaku, Kiyoshi Minoura, Mei Abe | 2023-05-16 |
| 11108071 | Method for producing polymer electrolyte molded article, polymer electrolyte material, polymer electrolyte membrane, and polymer electrolyte fuel cell | Hiroshi Taiko, Yuriko Okada, Shinya Adachi, Masataka Nakamura | 2021-08-31 |
| 10826098 | Composite polymer electrolyte membrane, membrane electrode assembly and solid polymer fuel cell using same | Yumiko Okamoto, Junpei Yamaguchi, Shusuke Shirai, Tomoyuki Kunita, Hiroaki Umeda +4 more | 2020-11-03 |
| 10483577 | Composite polymer electrolyte membrane, and catalyst-coated membrane, membrane electrode assembly, and polymer electrolyte fuel cell using the composite polymer electrolyte membrane | Junpei Yamaguchi, Hiroaki Umeda, Yumiko Okamoto | 2019-11-19 |
| 10253147 | Polymer electrolyte composition, polymer electrolyte membrane using same, catalyst coated membrane, membrane electrode assembly and polymer electrolyte fuel cell | Tomoyuki Kunita, Hiroaki Umeda | 2019-04-09 |
| 10243229 | Polymer electrolyte membrane, catalyst coated membrane, membrane electrode assembly, and polymer electrolyte fuel cell | Tomoyuki Kunita, Hiroaki Umeda | 2019-03-26 |
| 10224562 | Method for producing polymer electrolyte molded article, polymer electrolyte material, polymer electrolyte membrane, and polymer electrolyte fuel cell | Hiroshi Taiko, Yuriko Okada, Shinya Adachi, Masataka Nakamura | 2019-03-05 |
| 10186725 | Polymer electrolyte composition and polymer electrolyte membrane, polymer electrolyte membrane with catalyst layer, membrane electrode assembly, and polymer electrolyte fuel cell each using the same | Hiroaki Umeda, Yuka Fujieda, Jing Li, Yunsong Yang, Keping Wang | 2019-01-22 |
| 10103401 | Polymer electrolyte composition and polymer electrolyte membrane, polymer electrolyte membrane with catalyst layer, membrane electrode assembly, and polymer electrolyte fuel cell each using the same | Hiroaki Umeda, Tomoyuki Kunita | 2018-10-16 |
| 10026983 | Polymer electrolyte material, polymer electrolyte molded product using the polymer electrolyte material and method for manufacturing the polymer electrolyte molded product, membrane electrode composite, and solid polymer fuel cell | Yuriko Okada | 2018-07-17 |
| 9748593 | Polymer electrolyte composition, and polymer electrolyte membrane, membrane electrode complex and solid polymer-type fuel cell each produced using same | Tomoyuki Kunita, Naoki Shimoyama, Yuka Fujieda, Hiroaki Umeda | 2017-08-29 |
| 9701789 | Sulfonic acid group-containing polymer, sulfonic acid group-containing aromatic compound and method of making the same, as well as polymer electrolyte material, polymer electrolyte molded product and solid polymer fuel cell using the same | Qiao Chen, Fangke Shao, Gang Wu, Hiroaki Umeda | 2017-07-11 |
| 9685674 | Polymer electrolyte composition, and polymer electrolyte membrane, membrane electrode assembly and solid polymer fuel cell each using same | Tomoyuki Kunita, Yuka Yachi | 2017-06-20 |
| 9673468 | Polymer electrolyte material, polymer electrolyte molded product using the polymer electrolyte material and method for manufacturing the polymer electrolyte molded product, membrane electrode composite, and solid polymer fuel cell | Yuriko Okada | 2017-06-06 |
| 9653745 | Block copolymer, manufacturing method therefor, and polymer electrolyte material, molded polymer electrolyte, and solid-polymer fuel cell using said block copolymer | Hiroaki Umeda, Emi Amano, Tomoyuki Kunita | 2017-05-16 |
| 9553326 | Aromatic sulfonic acid derivative, sulfonic acid group-containing polymer, block copolymer, polymer electrolyte material, polymer electrolyte form article, and polymer electrolyte fuel cell | Hiroaki Umeda, Emi Amano, Tomoyuki Kunita | 2017-01-24 |
| 9126908 | Aromatic sulfonic acid derivative, sulfonic acid group-containing polymer, block copolymer, polymer electrolyte material, polymer electrolyte form article, and polymer electrolyte fuel cell | Hiroaki Umeda, Emi Amano, Tomoyuki Kunita | 2015-09-08 |
| 8986903 | Method for producing polymer electrolyte molded article, polymer electrolyte material, polymer electrolyte membrane, and polymer electrolyte fuel cell | Hiroshi Taiko, Yuriko Okada, Shinya Adachi, Masataka Nakamura | 2015-03-24 |