Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8902494 | Amplification optical fiber with optical component and fiber laser device including the same | Ryo Sugimoto | 2014-12-02 |
| 8774581 | Holey fiber, and laser device using the same | Hironori Tanaka | 2014-07-08 |
| 8456737 | Amplification optical fiber and optical fiber amplifier and resonator using the same | Masahiro Kashiwagi | 2013-06-04 |
| 8422890 | Fiber output stabilizer | Masakuni Mimuro, Tomoharu Kitabayashi | 2013-04-16 |
| 8340487 | Rare earth-doped core optical fiber and manufacturing method thereof | Masashi Ikeda, Naritoshi Yamada, Michihiro Nakai, Tomoharu Kitabayashi | 2012-12-25 |
| 8163084 | Nanostructure and manufacturing method for same | Yoshihiro Terada, Mitsuru Kamikatano, Bunsho Ohtani, Takamune Yamagami, Tsukasa Torimoto | 2012-04-24 |
| 7831121 | Extended triangular lattice type photonic bandgap fiber | Ning Guan, Katsuhiro Takenaga | 2010-11-09 |
| 7817257 | Method for measuring a differential mode delay of a multimode optical fiber | Katsuhiro Takenaga, Ning Guan, Shoichiro Matsuo, Koichi Harada | 2010-10-19 |
| 7711238 | Optical fiber and optical fiber coupler, erbium-doped optical fiber amplifier, and optical waveguide using the same | Masashi Ikeda, Masakazu Nakayama, Masaaki Ohtsuka, Masakazu Oohashi, Daiichiro Tanaka | 2010-05-04 |
| 7606460 | Optical fiber and transmission system, and wavelength division multiplexing system | Shoichiro Matsuo, Shoji Tanigawa | 2009-10-20 |
| 7593611 | Photonic band gap fiber and method of producing the same | Ning Guan, Katsuhiro Takenaga | 2009-09-22 |
| 7551824 | Extended triangular lattice type photonic bandgap fiber | Ning Guan, Katsuhiro Takenaga | 2009-06-23 |
| 7524370 | Nanostructure and manufacturing method for same | Yoshihiro Terada, Mitsuru Kamikatano, Bunsho Ohtani, Takamune Yamagami, Tsukasa Torimoto | 2009-04-28 |
| 7526168 | Optical fiber, transmission system, and wavelength division multiplexing system | Shoichiro Matsuo, Shoji Tanigawa, Keisuke Uchiyama | 2009-04-28 |
| 7505657 | Single-mode optical fiber | Shoichiro Matsuo | 2009-03-17 |
| 7496261 | Dispersion compensating optical fiber and dispersion compensating optical fiber module | Kazuhiko Aikawa, Yutaka Nagasawa, Shogo Shimizu, Takaaki Suzuki, Masakazu Nakayama +3 more | 2009-02-24 |
| 7463346 | Optical fiber birefringence measurement method and measurement device, and optical fiber polarization mode dispersion measurement method and optical fiber | Ryuichiro Goto, Shoichiro Matsuo | 2008-12-09 |
| 7440663 | Single-mode optical fiber | Shoichiro Matsuo, Hiroshi Kutami, Hiroyuki Sawano | 2008-10-21 |
| 7412128 | Higher order mode dispersion compensating fiber and mode converter for higher order fiber | Ning Guan, Kazuhiko Aikawa, Masashi Ikeda, Koichi Harada | 2008-08-12 |
| 7406236 | Optical fiber and optical fiber coupler, erbium-doped optical fiber amplifier, and optical waveguide using the same | Masashi Ikeda, Masakazu Nakayama, Masaaki Ohtsuka, Masakazu Oohashi, Daiichiro Tanaka | 2008-07-29 |
| 7406235 | Graded-index multimode fiber and manufacturing method therefor | Ning Guan, Katsuhiro Takenaga | 2008-07-29 |
| 7366387 | Single-mode optical fiber | Shoichiro Matsuo | 2008-04-29 |
| 7346258 | Optical fiber and optical fiber coupler, erbium-doped optical fiber amplifier, and optical waveguide using the same | Masashi Ikeda, Masakazu Nakayama, Masaaki Ohtsuka, Masakazu Oohashi, Daiichiro Tanaka | 2008-03-18 |
| 7298934 | Optical fiber and method of measuring polarization mode dispersion of optical fiber | Ryuichiro Goto, Shoji Tanigawa, Shoichiro Matsuo | 2007-11-20 |
| 7292762 | Hole-assisted holey fiber and low bending loss multimode holey fiber | Ning Guan, Katsuhiro Takenaga, Katsuaki Izoe, Kazuhiko Aikawa | 2007-11-06 |