Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9397465 | Fiber laser device | Yasuhiro Oba | 2016-07-19 |
| 9048622 | High power pulsed light generation device | — | 2015-06-02 |
| 9020007 | Laser device | — | 2015-04-28 |
| 8867123 | High-power pulsed light generator | Yasuhiro Oba | 2014-10-21 |
| 8831048 | Fiber laser | — | 2014-09-09 |
| 8781274 | Optical amplifier and resonator | Yoshikiyo Noguchi | 2014-07-15 |
| 8649403 | Fiber laser device | Yasuhiro Oba | 2014-02-11 |
| 8548013 | Fiber laser | Tomoharu Kitabayashi, Tetsuya Sakai | 2013-10-01 |
| 8509580 | Optical amplifier and resonator | Yoshikiyo Noguchi | 2013-08-13 |
| 8503495 | Laser device | — | 2013-08-06 |
| 8446923 | Fiber laser device | Yasuhiro Oba | 2013-05-21 |
| 8442089 | Laser device | — | 2013-05-14 |
| 8340487 | Rare earth-doped core optical fiber and manufacturing method thereof | Masashi Ikeda, Naritoshi Yamada, Kuniharu Himeno, Tomoharu Kitabayashi | 2012-12-25 |
| 8331408 | Fiber laser device | Yasuhiro Oba | 2012-12-11 |
| 8139616 | Pulsed light generator and pulsed fiber laser | — | 2012-03-20 |
| 8040926 | Multi-core fiber for optical pumping device and manufacturing method thereof, optical pumping device, fiber laser and fiber amplifier | Shoji Tanigawa | 2011-10-18 |
| 8004753 | Optical amplifier, fiber laser, and method of eliminating reflected light | Tetsuya Sakai | 2011-08-23 |
| 7693367 | Multi-mode optical coupler | — | 2010-04-06 |
| 7656913 | Fiber pulse laser apparatus and method of controlling the same | — | 2010-02-02 |
| 7492993 | Multi-port coupler, optical amplifier, and fiber laser | Tetsuya Sakai | 2009-02-17 |
| 6819834 | Optical fiber grating, optical fiber grating manufacturing method, and optical fiber grating manufacturing apparatus | Yuu Ishii, Satoshi Okude, Kenji Nishide, Kensuke Shima | 2004-11-16 |
| 5996375 | Method of making an optical waveguide grating with two dissimilar irradiating steps | Kensuke Shima, Hiroshi Hidaka, Satoshi Okude, Masaaki Sudoh, Tetsuya Sakai +2 more | 1999-12-07 |
| 5949934 | Optical waveguide grating and production method therefor | Kensuke Shima, Hiroshi Hidaka, Kuniharu Himeno, Satoshi Okude, Akira Wada +4 more | 1999-09-07 |
| 5930437 | Optical filter with planar optical waveguide having periodically varied distribution of refractive index and production process thereof | Kensuke Shima, Hiroshi Hidaka, Satoshi Okude, Masaaki Sudoh, Tetsuya Sakai +2 more | 1999-07-27 |