Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10690843 | Multicore fiber | Yusuke Sasaki, Katsuhiro Takenaga, Kunimasa Saitoh | 2020-06-23 |
| 8822895 | Fiber fuse detecting apparatus | Kazi S. Abedin | 2014-09-02 |
| 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 | Yasuo Kokubun, Masanori Koshiba | 2014-08-19 |
| 8503847 | Method of arranging cores of multi-core fiber | Yasuo Kokubun, Masanori Koshiba | 2013-08-06 |
| 7024122 | Ultrahigh-speed clock extraction circuit | Kentaro Uchiyama, Hidehiko Takara, Eiichi Yamada, Etsu Hashimoto | 2006-04-04 |
| 6023360 | Multiple-channel all-optical TDM-WDM converter and multiple-channel all-optical TDM demultiplexer | Hidehiko Takara, Masatoshi Saruwatari | 2000-02-08 |
| 5923683 | Coherent white light source and optical devices therewith | Kunihiko Mori, Masatoshi Saruwatari | 1999-07-13 |
| 5604618 | Optical parametric circuit and optical circuit using the same | Kunihiko Mori, Masatoshi Saruwatari | 1997-02-18 |
| 5357359 | All-optical polarization independent optical time division multiplexer and demultiplexer with birefringence compensation | Kentaro Uchiyama, Masatoshi Saruwatari | 1994-10-18 |