Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10739536 | Optical connection component | Naoki Matsushita, Tetsuya Nakanishi | 2020-08-11 |
| D811342 | Optical fiber array | Tetsuya Nakanishi, Yuuichi Mitose, Takashi Sasaki, Jun Ito, Takeyuki Ishii +3 more | 2018-02-27 |
| 9604868 | Preform manufacturing method | Tetsuya Nakanishi | 2017-03-28 |
| 9453979 | Multi-core optical fiber tape | Takuji Nagashima, Eisuke Sasaoka | 2016-09-27 |
| 9128233 | Multi-core fiber | Takuji Nagashima, Eisuke Sasaoka | 2015-09-08 |
| 8655132 | Multi-core optical fiber | Takuji Nagashima, Takashi Sasaki, Tetsuya Nakanishi | 2014-02-18 |
| 8503846 | All solid photonic bandgap fiber | Jonathan Cave Knight, Tim Birks, David Bird | 2013-08-06 |
| 8433166 | Multi-core optical fibre | Takuji Nagashima, Takashi Sasaki | 2013-04-30 |
| 8395762 | Apparatus and method for measuring chromatic dispersion | Masaaki Hirano | 2013-03-12 |
| 8351783 | Apparatus and method for measuring chromatic dispersion | Masaaki Hirano | 2013-01-08 |
| 8041170 | Photonic bandgap fiber | — | 2011-10-18 |
| 7643715 | Optical power delivery system | Jonathan Cave Knight | 2010-01-05 |
| 7203399 | Optical fiber and fiber grating type filter including the same | Shinji Ishikawa, Masakazu Shigehara, Masaki Ohmura | 2007-04-10 |
| 7130513 | Glass-body-producing method and optical glass body and optical fiber | Tetsuya Haruna, Shinji Ishikawa, Tetsutarou Katayama, Nobuyuki Taira | 2006-10-31 |
| 6842566 | Optical fiber with built-in grating and optical fiber for forming grating therein | Shinji Ishikawa, Masakazu Shigehara, Masaki Oomura | 2005-01-11 |
| 6810692 | Method of controlling an upper portion of an optical fiber draw furnace | Katsuya Nagayama, Kazuya Kuwahara, Ichiro Tsuchiya | 2004-11-02 |
| 6735983 | Optical fiber drawing method and drawing furnace | Ichiro Tsuchiya, Katsuyuki Tsuneishi, Katsuya Nagayama, Kazuya Kuwahara | 2004-05-18 |
| 6728458 | Optical fiber and fiber grating device | Shinji Ishikawa, Akira Inoue | 2004-04-27 |
| 6668592 | Optical fiber drawing furnace having adjustable partitions | Katsuya Nagayama, Kazuya Kuwahara, Ichiro Tsuchiya | 2003-12-30 |
| 6543256 | Optical fiber coupler making apparatus made from zirconia and method | Ichiro Tsuchiya | 2003-04-08 |