Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12142770 | Carbon material for use as catalyst carrier of polymer electrolyte fuel cell and method of producing the same | Takashi Iijima, Masataka Hiyoshi, Shinya Furukawa, Tomoko Komura, Kazuyoshi Masaki +2 more | 2024-11-12 |
| 12057589 | Carbon material for catalyst carrier of polymer electrolyte fuel cell and method of producing the same | Takashi Iijima, Masataka Hiyoshi, Shinya Furukawa, Tomoko Komura, Kazuyoshi Masaki +2 more | 2024-08-06 |
| 11394034 | Support for polymer electrolyte fuel cell catalyst, method of producing support for polymer electrolyte fuel cell catalyst, catalyst layer for polymer electrolyte fuel cell, and fuel cell | Takashi Iijima, Masataka Hiyoshi, Shinya Furukawa, Tomoko Komura, Kazuhiko Mizuuchi | 2022-07-19 |
| 11302928 | Carbon material for catalyst carrier of polymer electrolyte fuel cell, and method of producing the same | Takashi Iijima, Masataka Hiyoshi, Shinya Furukawa, Tomoko Komura, Kazuyoshi Masaki +2 more | 2022-04-12 |
| 11066720 | Hot-rolled steel sheet and manufacturing method thereof, and manufacturing method of cold-rolled steel sheet | Takashi Fujii, Hiromitsu Date, Akira Taniyama, Takumi Nishimoto | 2021-07-20 |
| 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, Katsumasa MATSUMOTO, Shinya Furukawa +4 more | 2021-01-05 |
| 10593959 | Electrode for metal-air battery | Noriyuki Negi | 2020-03-17 |
| 10494027 | Crash energy absorbing part | Atsuo Koga | 2019-12-03 |
| 9786925 | Fuel cell and fuel cell use gas diffusion electrode | Takashi Iijima, Hiroshi Kajiro, Hideaki Sawada, Yoichi Matsuzaki | 2017-10-10 |
| 9735433 | Fuel cell | Kazumi Mizukami, Takashi Iijima, Hideaki Sawada, Tomohiro Hada | 2017-08-15 |
| 8999606 | Solid polymer type fuel cell catalyst, solid polymer type fuel cell electrode, and fuel cell | Takashi Iijima, Hideaki Sawada | 2015-04-07 |
| 6254980 | Metallic sheet having rust-preventive organic coating thereon, process for the production thereof and treating fluid therefor | Hiromasa Shoji, Tadashi Sakon, Ikuo Jitsuhara, Makoto Yamasaki | 2001-07-03 |
| 6200672 | Surface-treated metal plate and metal surface treating fluid | Hiromasa Shoji, Masao Sakashita | 2001-03-13 |
| 6190780 | Surface treated metal material and surface treating agent | Hiromasa Shoji, Masao Sakashita, Tadashi Sakon, Yoshihiro Kaneda | 2001-02-20 |
| 5897948 | Surface-treated steel sheet with resin-based chemical treatment coating and process for its production | Tadashi Sakon, Ikuo Jitsuhara, Maki Sekoguchi, Hiromasa Shoji, Makoto Yamazaki | 1999-04-27 |