Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11834365 | Optical fiber preform production method, optical fiber preform, and optical fiber production method | Katsuhiro Takenaga, Ryohei Fukumoto | 2023-12-05 |
| 10295736 | Multicore fiber | Katsuhiro Takenaga, Shota Saito | 2019-05-21 |
| 9817183 | Multicore fiber | Katsuhiro Takenaga, Yusuke Sasaki, Kunimasa Saitoh | 2017-11-14 |
| 9709742 | Multicore fiber connection method and multicore fiber connector using same | — | 2017-07-18 |
| 9588284 | Multi-core fiber | Yusuke Sasaki, Katsuhiro Takenaga, Kunimasa Saitoh | 2017-03-07 |