Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12121298 | Abnormality detection system, laser treatment device, and laser treatment system | Yoshiteru Tamura, Yoshihide Okagami, Katsumi Hiyoshi, Haruhiko Murakami | 2024-10-22 |
| 10792102 | Laser tip, laser treatment tool, laser treatment device, and laser treatment system | Yoshihide Okagami, Yoshiteru Tamura, Katsumi Hiyoshi, Haruhiko Murakami, Takeshi Azuma +1 more | 2020-10-06 |
| 9827045 | Laser waveguide device and laser waveguide system | Katsumi Hiyoshi, Masato Wada | 2017-11-28 |
| 8720040 | Method of manufacturing a hollow waveguide | Tadashi Koike | 2014-05-13 |
| 8270795 | Hollow fiber formed using metal nano particles | Yoshinori Kurosawa, Masahiro Ohkawa, Hiroaki Takamiya | 2012-09-18 |
| 8121452 | Method for fabricating a hollow fiber | Yoshinori Kurosawa, Masahiro Ohkawa, Hiroaki Takamiya | 2012-02-21 |
| 7903695 | Optical fiber laser and exciting method using same | Seiji Kojima, Bing Yao, Kazumasa Ohsono, Akio Sato, Kohei Yanaka +5 more | 2011-03-08 |
| 7813386 | Optical fiber for an optical fiber laser, method for fabricating the same, and optical fiber laser | Bing Yao, Seiji Kojima, Kazumasa Ohsono | 2010-10-12 |
| 7792161 | Optical fiber for fiber laser, fiber laser, and laser oscillation method | — | 2010-09-07 |
| 7769058 | Optical fiber laser | Kazumasa Ohsono, Bing Yao | 2010-08-03 |
| 7684449 | Optical fiber for fiber laser device and fiber laser device using same | Kazumasa Ohsono, Seiji Kojima, Bing Yao | 2010-03-23 |
| 7664356 | Hollow waveguide and method of manufacturing the same | Tadashi Koike | 2010-02-16 |
| 7373061 | Laser energy transmission optical fiber, laser energy transmission method and laser energy transmission device | — | 2008-05-13 |
| 6104853 | Detachable laser probe having reduced attenuation | Mitsunobu Miyagi, Yoshihide Okagami | 2000-08-15 |
| 5995696 | Hollow waveguide and method of making same | Mitsunobu Miyagi | 1999-11-30 |
| 5729646 | Optical hollow waveguide, method for fabricating the same, and laser transmission apparatus using the same | Mitsunobu Miyagi, Yuji Kato, Yoshihide Okagami | 1998-03-17 |
| 4972421 | Thin-film coated waveguide laser | Tsuneo Shiota, Shigeo Nishida, Mitsunobu Miyagi, Yoshihiko Wagatsuma | 1990-11-20 |
| 4875218 | Thin-film coated waveguide laser | Tsuneo Shiota, Shigeo Nishida, Mitsunobu Miyagi, Yoshihiko Wagatsuma | 1989-10-17 |
| 4737015 | Optical waveguide having a silicon oxi-nitride layer | Koji Ishida, Hiroyoshi Matsumura, Kenji Hiruma, Kazuyuki Nagatsuma | 1988-04-12 |