Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11981108 | Ni-plated steel sheet and manufacturing method thereof | Yasuto Goto, Kiyokazu Ishizuka, Tatsuo Nagata | 2024-05-14 |
| 10886539 | Catalyst-carrier carbon material, solid-polymer fuel cell catalyst, solid-polymer fuel cell, and method for manufacturing catalyst-carrier carbon material | Takashi Iijima, Noriyuki Negi, Masataka Hiyoshi, Shinya Furukawa, Kenichiro Tadokoro +4 more | 2021-01-05 |
| 10103398 | Support carbon material and catalyst for solid polymer type fuel cell use | Shinya Furukawa, Takashi Iijima, Masataka Hiyoshi, Noriyuki Negi, Hiroyuki Hayashida | 2018-10-16 |
| 10096837 | Supporting carbon material for solid polymer fuel cell and catalyst metal particle-supporting carbon material | Takashi Iijima, Masataka Hiyoshi, Hiroyuki Hayashida, Kazuhiko Mizuuchi, Takumi KOUNO +2 more | 2018-10-09 |
| 10003085 | Carbon support material for solid polymer type fuel cell use and metal catalyst particle- supporting carbon material and methods of production of same | Takashi Iijima, Masataka Hiyoshi, Hiroyuki Hayashida, Kazuhiko Mizuuchi, Takumi KOUNO +2 more | 2018-06-19 |