Issued Patents All Time
Showing 1–25 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12424812 | Optical amplification device and optical amplification method | — | 2025-09-23 |
| 11990726 | Optical repeater, manufacturing method of optical repeater, and relay method of optical signal | Eduardo Mateo Rodriguez | 2024-05-21 |
| 11939327 | Heterocyclic compounds | Tomoaki Hasui, Shinji Nakamura, Tohru Yamashita | 2024-03-26 |
| 11702419 | Heterocyclic compound and use thereof | Yuya Oguro, Shigemitsu Matsumoto, Takeshi Wakabayashi, Norihito Tokunaga, Taku Kamei +16 more | 2023-07-18 |
| 11463190 | Optical repeater and control method for optical repeater | — | 2022-10-04 |
| 11459325 | Heterocyclic compound | Yuta Tanaka, Tomohiro Ohashi, Zenichi Ikeda, Florian PÜNNER, Takeshi Yamamoto +10 more | 2022-10-04 |
| 11447488 | Heterocyclic compounds | Tomoaki Hasui, Shinji Nakamura, Tohru Yamashita | 2022-09-20 |
| 11407748 | Substituted pyrido[1,2-a]pyrimidines and pyrazino[1,2-a]pyrimidines for enhancing AMPA receptor function | Shinji Nakamura, Tomoaki Hasui, Tohru Yamashita, Shinji Morimoto, Hidekazu Tokuhara +5 more | 2022-08-09 |
| 11319286 | Heterocyclic compound and application thereof | Tatsuhiko Fujimoto, Kentaro Rikimaru, Koichiro Fukuda, Hiromichi Sugimoto, Takahiro Matsumoto +14 more | 2022-05-03 |
| 11177885 | Repeater and repeating method | — | 2021-11-16 |
| 11059780 | Substituted pyrrolidine compound and use thereof | Masaki DAINI, Yuhei Miyanohana, Yuichi Kajita, Masaki Ogino, Tatsuki Koike +1 more | 2021-07-13 |
| 11034700 | Substituted pyrrolidine compound and use thereof | Masaki DAINI, Yuhei Miyanohana, Hideo Suzuki, Kenichiro Shimokawa, Yuichi Kajita +3 more | 2021-06-15 |
| 10958370 | Optical repeater and control method for optical repeater | — | 2021-03-23 |
| 10934629 | Surface-treated steel sheet, organic resin coated metal container, and method for producing surface-treated steel sheet | Kunihiro Yoshimura, Naomi Taguchi, Satoko FUKUTOMI, Wataru Kurokawa, Munemitsu Hirotsu +1 more | 2021-03-02 |
| 10807987 | Heterocyclic compound and use thereof | Yuya Oguro, Shigemitsu Matsumoto, Takeshi Wakabayashi, Norihito Tokunaga, Taku Kamei +16 more | 2020-10-20 |
| 10587343 | Signal loopback circuit and signal loopback method | — | 2020-03-10 |
| 10581551 | Optical repeater and control method for optical repeater | — | 2020-03-03 |
| 10017508 | Nitrogenated heterocyclic compound | Shinji Nakamura, Tomoko Ashizawa, Shigekazu Sasaki, Takahiko Taniguchi, Izumi Nomura +1 more | 2018-07-10 |
| 9976078 | Polymer compound, luminescent material, and light emitting device | Nobuhiko Akino, Chizu Sekine, Tomoya Nakatani | 2018-05-22 |
| 9958612 | Node device and method for controlling node device | — | 2018-05-01 |
| 9929347 | Polymer compound and light emitting element using same | Chizu Sekine, Makoto Anryu, Hidenobu Kakimoto, Annette Steudel, Martin Humphries +4 more | 2018-03-27 |
| 9527841 | Substituted pyrido[2,3-b]pyrazines as phosphodiesterase 2A inhibitors | Shinji Nakamura, Kawasaki Masanori, Izumi Nomura, Tomoko Ashizawa, Takahiko Taniguchi | 2016-12-27 |
| 9527807 | Sulfonamide derivative and use thereof | Shoji Fukumoto, Osamu Ujikawa, Shinji Morimoto, Yasutomi Asano, Norihito Tokunaga +5 more | 2016-12-27 |
| 9469637 | Nitrogenated heterocyclic compound | Shinji Nakamura, Tomoko Ashizawa, Shigekazu Sasaki, Takahiko Taniguchi, Izumi Nomura +1 more | 2016-10-18 |
| 9315723 | Polymer compound, luminescent material, and light emitting device | Nobuhiko Akino, Chizu Sekine, Tomoya Nakatani | 2016-04-19 |