Issued Patents All Time
Showing 1–22 of 22 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, Kenichiro Tadokoro, Masataka Hiyoshi, Shinya Furukawa, Tomoko Komura +2 more | 2024-11-12 |
| 12077449 | Alumina-based composite oxide and production method for same | Yoshikazu Hirose | 2024-09-03 |
| 12057589 | Carbon material for catalyst carrier of polymer electrolyte fuel cell and method of producing the same | Takashi Iijima, Kenichiro Tadokoro, Masataka Hiyoshi, Shinya Furukawa, Tomoko Komura +2 more | 2024-08-06 |
| 11889635 | Joined body of joining base material and metal layer | Hidenori Hayashida, Hideyuki Matsuo, Yukihisa Hiroyama | 2024-01-30 |
| 11302928 | Carbon material for catalyst carrier of polymer electrolyte fuel cell, and method of producing the same | Takashi Iijima, Kenichiro Tadokoro, Masataka Hiyoshi, Shinya Furukawa, Tomoko Komura +2 more | 2022-04-12 |
| 11242264 | Alumina-based composite oxide and production method for same | Yoshikazu Hirose | 2022-02-08 |
| 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 |
| 10103398 | Support carbon material and catalyst for solid polymer type fuel cell use | Shinya Furukawa, Takashi Iijima, Masataka Hiyoshi, Katsumasa MATSUMOTO, Noriyuki Negi | 2018-10-16 |
| 10096837 | Supporting carbon material for solid polymer fuel cell and catalyst metal particle-supporting carbon material | Takashi Iijima, Masataka Hiyoshi, Katsumasa MATSUMOTO, Kazuhiko Mizuuchi, Takumi KOUNO +2 more | 2018-10-09 |
| 10032993 | Aromatic heterocyclic compound, manufacturing method thereof, organic semiconductor material, and organic semiconductor device | Atsushi Kawada, Takuo NAGAHAMA, Kouta Masutani | 2018-07-24 |
| 10003085 | Carbon support material for solid polymer type fuel cell use and metal catalyst particle- supporting carbon material and methods of production of same | Katsumasa MATSUMOTO, Takashi Iijima, Masataka Hiyoshi, Kazuhiko Mizuuchi, Takumi KOUNO +2 more | 2018-06-19 |
| 9962684 | Cerium-zirconium-based composite oxide and method for producing same | Akiko Tatsumi | 2018-05-08 |
| 9861959 | Catalyst composition and exhaust gas purifying method | Kenji Sakurai, Shigeki Nakayama, Hiromasa Nishioka, Yoshikazu Hirose | 2018-01-09 |
| 9614172 | Curable composition, cured product, and organic electroluminescence element using same | Masashi Niina, Hiroshige Tanaka, Kazuto Shiraishi, Tohru Asari, Kazuaki Yoshimura | 2017-04-04 |
| 9590179 | Curable composition, cured product, and organic electroluminescent element using same | Masashi Niina, Hiroshige Tanaka, Kazuto Shiraishi, Tohru Asari, Kazuaki Yoshimura | 2017-03-07 |
| 9543526 | Nitrogen-containing aromatic compounds and organic electroluminescent device | Takaya Ishiyama, Mitsuru Sakai, Masashi Niina, Kazuto Shiraishi, Kazuaki Yoshimura | 2017-01-10 |
| 9512131 | Organic semiconductor material for organic transistor, and organic transistor element | Atsushi Kawada, Takuo NAGAHAMA, Kouta Masutani | 2016-12-06 |
| 9299934 | Polymer for organic electroluminescent elements, and organic electroluminescent element using cured product of same | Masashi Niina, Hiroshige Tanaka, Kazuto Shiraishi, Tohru Asari, Kazuaki Yoshimura | 2016-03-29 |
| 9290692 | Polymer light-emitting material, method for producing the same, and organic electroluminescent device | Hiroshige Tanaka, Takaya Ishiyama, Kazuto Shiraishi, Tohru Asari, Kazuaki Yoshimura | 2016-03-22 |
| 8945726 | Polymer for organic electroluminescent element, and organic electroluminescent element using the same | Hiroshige Tanaka, Tohru Asari, Kazuto Shiraishi, Yasushi KOISHIKAWA, Kazuaki Yoshimura +1 more | 2015-02-03 |
| 8795852 | Organic electroluminescent device with host materials having same or similar IP, EA and T1 values | Tohru Asari, Kazuto Shiraishi, Takayuki Shimizu, Yasushi KOISHIKAWA, Kazuaki Yoshimura | 2014-08-05 |
| 5241207 | Semiconductor device having an interconnected film with tapered edge | Yoshiaki Toyoshima, Hirohumi Shinagawa | 1993-08-31 |