Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9335467 | Multi-core fiber and method of positioning of core of multi-core fiber | Tatsuhiko Watanabe | 2016-05-10 |
| 8811786 | Coupled system multi-core fiber, coupling mode multiplexer and demultiplexer, system for transmission using multi-core fiber and method for transmission using multi-core fiber | Masanori Koshiba, Toshio Morioka | 2014-08-19 |
| 8761562 | Multicore fiber and core placement method for multicore fiber | Kohei Tomozawa | 2014-06-24 |
| 8503847 | Method of arranging cores of multi-core fiber | Masanori Koshiba, Toshio Morioka | 2013-08-06 |
| 6411752 | Vertically coupled optical resonator devices over a cross-grid waveguide architecture | Brent E. Little, Wugen Pan, Sai Chu | 2002-06-25 |
| 4715672 | Optical waveguide utilizing an antiresonant layered structure | Michel A. Duguay, Thomas L. Koch, Loren N. Pfeiffer | 1987-12-29 |