Issued Patents All Time
Showing 1–25 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7535628 | Laser light source, method of laser oscillation, and method of laser processing | Motoki Kakui | 2009-05-19 |
| 7170674 | Fluorescence glass, optical wave guide for optical amplifier and optical amplifier module | Motoki Kakui, Masayuki Shigematsu, Shinji Ishikawa, Takahiro Murata | 2007-01-30 |
| 7016582 | Polarized wave holding optical fiber, and method of producing the same | Iwao Okazaki, Shinji Ishikawa, Motohide Yoshida, Tetsuya Haruna, Kazuyuki Soma | 2006-03-21 |
| 6928840 | Optical fiber producing method | Katsuya Nagayama, Yuichi Ohga, Kazuya Kuwahara | 2005-08-16 |
| 6907757 | Drawing method of optical fiber and drawing furnace | Kazuya Kuwahara, Katsuya Nagayama, Masashi Onishi | 2005-06-21 |
| 6810692 | Method of controlling an upper portion of an optical fiber draw furnace | Toshiki Taru, Katsuya Nagayama, Kazuya Kuwahara | 2004-11-02 |
| 6735983 | Optical fiber drawing method and drawing furnace | Toshiki Taru, Katsuyuki Tsuneishi, Katsuya Nagayama, Kazuya Kuwahara | 2004-05-18 |
| 6668592 | Optical fiber drawing furnace having adjustable partitions | Toshiki Taru, Katsuya Nagayama, Kazuya Kuwahara | 2003-12-30 |
| 6576058 | Optical fiber coating method and coating apparatus | Kazumasa Oishi, Kaoru Okuno, Masahiro Takagi | 2003-06-10 |
| 6546760 | Optical fiber drawing furnace with a zig zag heating element | Kohei Kobayashi, Hiroaki Ohta, Kazuya Kuwahara, Katsuyuki Tsuneishi, Hideo Miyaki +1 more | 2003-04-15 |
| 6543256 | Optical fiber coupler making apparatus made from zirconia and method | Toshiki Taru | 2003-04-08 |
| 6530243 | Method of making an optical fiber with an improved UV-curable resin | Kazuya Kuwahara, Yasuhiro Naganuma | 2003-03-11 |
| 6399158 | Method and apparatus for curing ultraviolet-curing resin | Kazuya Kuwahara, Katsuya Nagayama | 2002-06-04 |
| 6400878 | Optical fiber and method of making the same | Katsuya Nagayama, Yuichi Ohga, Tatsuhiko Saitoh, Shinji Ishikawa, Takenori Uchiyama | 2002-06-04 |
| 6333071 | Method and apparatus for producing optical fiber ribbons | Kohei Kobayashi, Tomoyuki Hattori | 2001-12-25 |
| 6309567 | Collectively coating die device for manufacturing separable optical fiber ribbon and manufacturing method thereof | Kaoru Okuno, Kohei Kobayashi, Tomoyuki Hattori, Ken Takahashi | 2001-10-30 |
| 6153305 | Recording sheet for ink-jet recording and ink jet recording method | Hiroyuki Uemura, Koji Takemura | 2000-11-28 |
| 6066387 | Recording sheet for ink-jet recording | Yutaka Ueda, Kenji Kuwae, Koji Takemura, Hiroyuki Uemura | 2000-05-23 |
| 6057026 | Recording sheet for ink-jet recording and ink jet | Hiroyuki Uemura | 2000-05-02 |
| 6054223 | Ink-jet recording sheet | Hiroyuki Uemura | 2000-04-25 |
| 6030658 | Resin coating applicator for an optical fiber | Kaoru Okuno, Hideo Miyaki, Kazumasa Oishi | 2000-02-29 |
| 5976611 | Optical fiber coating method and apparatus therefor | Kaoru Okuno, Akira Inoue, Kazumasa Oishi, Kohei Kobayashi | 1999-11-02 |
| 5877796 | Recording sheet for ink-jet recording and recording method employing the same | Noriaki Kurata, Hiroyuki Uemura | 1999-03-02 |
| 5693115 | Process for production of glass preform for optical fiber including consolidating in a furnace with a temperature gradient | Masumi Ito, Toshio Danzuka, Yuichi Ohga, Sumio Hoshino | 1997-12-02 |
| 5637130 | Method and furnace for drawing optical fibers | Katsuya Nagayama, Kohei Kobayashi, Hiroaki Ohta | 1997-06-10 |