Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9871257 | Porous electrode substrate, method for manufacturing same, membrane electrode assembly, polymer electrolyte fuel cell, precursor sheet, and fibrillar fibers | Kazuhiro Sumioka, Yoshihiro Sako | 2018-01-16 |
| 9786923 | Porous electrode substrate, method for manufacturing same, membrane electrode assembly, polymer electrolyte fuel cell, precursor sheet, and fibrillar fibers | Kazuhiro Sumioka, Yoshihiro Sako | 2017-10-10 |
| 4971003 | Piston of aluminum alloy for internal combustion engines | Yoshihiro Suzuki | 1990-11-20 |