Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8971685 | Multicore fiber | Shoichiro Matsuo, Katsuhiro Takenaga, Masanori Koshiba | 2015-03-03 |
| 8660396 | Multi-cladding optical fiber, optical fiber module, fiber laser, and fiber amplifier | Shoji Tanigawa, Kentaro Ichii, Katsuhiro Takenaga | 2014-02-25 |
| 6985660 | Multiple cladding optical fiber | Masanori Koshiba | 2006-01-10 |