Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11728500 | Polymer electrolyte membrane, membrane electrode assembly, polymer electrolyte fuel cell, and process for producing polymer electrolyte membrane | Yuichi Inoue, Hitoshi Shobukawa, Naoki Sakamoto | 2023-08-15 |
| 10005043 | Gas separation membranes with intermixed layers | Takeshi Umehara, Masatoshi Nakanishi, Yujiro Itami, Hiroyuki Noda, Kimiko Iwahashi | 2018-06-26 |
| 9731248 | Gas separation membranes with intermixed layers | Takeshi Umehara, Masatoshi Nakanishi, Yujiro Itami, Hiroyuki Noda, Kimiko Iwahashi | 2017-08-15 |
| 9700848 | Curable compositions and membranes | Takeshi Umehara, Shigehide Itoh, Petrus Van Kessel, Yujiro Itami, Masatoshi Nakanishi +2 more | 2017-07-11 |