Issued Patents 2024
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12162966 | Sulfonic acid group-containing polymer, fluorosulfonyl group-containing polymer, and liquid composition | Takeshi Hirai, Hiroyuki Watabe | 2024-12-10 |
| 12040515 | Membrane electrode assembly | — | 2024-07-16 |
| 12018106 | Fluorosulfonyl group-containing fluoropolymer and method for producing same, sulfonic acid group-containing fluoropolymer and method for producing same, solid polymer electrolyte membrane, membrane electrode assembly, and solid polymer fuel cell | Takeshi Hirai, Hiroyuki Watabe | 2024-06-25 |
| 11987656 | Method for producing fluorinated polymer and method for producing fluorinated ion exchange polymer | Satoru Hommura, Hiroyuki Watabe | 2024-05-21 |
| 11940485 | Inspection apparatus and inspection method | Naoki Akiyama, Hiroyuki Nakayama, Shigeru Kasai | 2024-03-26 |
| 11927539 | Inspection apparatus and inspection method | Naoki Akiyama, Hiroyuki Nakayama | 2024-03-12 |
| 11898018 | Liquid composition, polymer electrolyte membrane, membrane electrode assembly and polymer electrolyte fuel cell | Takumi Okuyama, Takeshi Hirai, Chikaya Tamitsuji, Daisuke Jomuta | 2024-02-13 |