Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11099325 | Polymer optical waveguide | Shotaro Takenobu, Satoko Noma, Kenta Kobayashi, Keisuke Hanashima, Seiki Ohara | 2021-08-24 |
| 10393966 | Composite optical waveguide | Seiki Ohara, Shotaro Takenobu, Satoko Noma | 2019-08-27 |
| 8604499 | Light-emitting device | Katsuyoshi NAKAYAMA, Kenji Imakita, Yasuko Osaki, Akihiro Hishinuma, Shiro Ohtaki | 2013-12-10 |
| 8304357 | Ceramic material composition | Kenji Imakita, Kazuo Watanabe | 2012-11-06 |