Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11901690 | Fiber laser device | Yasuo Nakanishi, Yasuhiro Mashiko, Shinichi Sakamoto | 2024-02-13 |
| 11835776 | Filter device and laser apparatus | — | 2023-12-05 |
| 8983249 | Optical fiber combiner, and laser system using the same | Yoshikiyo Noguchi | 2015-03-17 |
| 8571074 | Fiber laser device | — | 2013-10-29 |
| 8498044 | Amplification optical fiber, and optical fiber amplifier and resonator using the same | Masahiro Kashiwagi | 2013-07-30 |
| 8218585 | Laser oscillator and filtering method | — | 2012-07-10 |
| 8009706 | Fiber laser light source | Hiroyuki Furuya, Kazuhisa Yamamoto, Shinichi Kadowaki, Masahiro Kashiwagi | 2011-08-30 |
| 7065279 | Method for exciting light for optical amplification medium fiber, structure for emitting excited light into optical amplification medium fiber optical fiber amplifier, and optical fiber laser | Tomoharu Kitabayashi, Tetsuya Sakai | 2006-06-20 |
| 6819834 | Optical fiber grating, optical fiber grating manufacturing method, and optical fiber grating manufacturing apparatus | Yuu Ishii, Michihiro Nakai, Satoshi Okude, Kenji Nishide | 2004-11-16 |
| 6442313 | Optical fiber grating and manufacturing method thereof | Ryozo Yamauchi, Akira Wada, Tetsuya Sakai, Nobuyuki Tanaka, Kenji Nishide +1 more | 2002-08-27 |
| 6298183 | Optical fiber grating and manufacturing method therefor | Ryozo Yamauchi, Akira Wada, Tetsuya Sakai, Nobuyuki Tanaka, Kenji Nishide +1 more | 2001-10-02 |
| 6076663 | Carrier for accumulating containers | — | 2000-06-20 |
| 5996375 | Method of making an optical waveguide grating with two dissimilar irradiating steps | Michihiro Nakai, Hiroshi Hidaka, Satoshi Okude, Masaaki Sudoh, Tetsuya Sakai +2 more | 1999-12-07 |
| 5949934 | Optical waveguide grating and production method therefor | Michihiro Nakai, 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 | Michihiro Nakai, Hiroshi Hidaka, Satoshi Okude, Masaaki Sudoh, Tetsuya Sakai +2 more | 1999-07-27 |
| 5909953 | Fluorescent lighting fixture | — | 1999-06-08 |