Issued Patents All Time
Showing 1–25 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8532155 | Optical interconnection system | Keishi Takaki, Masaki Funabashi, Yasumasa Kawakita | 2013-09-10 |
| 8385379 | Optical semiconductor device and pumping light source for optical fiber amplifier | Junji Yoshida, Hidehiro Taniguchi, Satoshi Irino, Hirokazu Itoh, Harunobu Ikeda +2 more | 2013-02-26 |
| 8306080 | Vertical cavity surface emitting laser apparatus | Keishi Takaki, Suguru Imai | 2012-11-06 |
| 8270447 | Semiconductor light emitting element and manufacturing method thereof | Norihiro Iwai, Keishi Takaki, Koji Hiraiwa | 2012-09-18 |
| 7881353 | Surface emitting laser element array | Takeo Kageyama, Keishi Takaki, Norihiro Iwai, Hitoshzi Shimizu, Yasumasa Kawakita +1 more | 2011-02-01 |
| 7653317 | Semiconductor laser device | Yutaka Ohki, Hidehiro Taniguchi | 2010-01-26 |
| 7199919 | Tunable multimode wavelength division multiplex Raman pump and amplifier, and a system, method, and computer program product for controlling tunable Raman pumps, and Raman amplifiers | Yoshihiro Emori, Shu Namiki, Junji Yoshida | 2007-04-03 |
| 7194014 | Semiconductor laser device, semiconductor laser module, and optical fiber amplifier using the semiconductor laser module | Junji Yoshida, Toshio Kimura, Masashi Nakae, Takeshi Aikiyo | 2007-03-20 |
| 7082152 | Semiconductor laser apparatus, semiconductor laser module, optical fiber amplifier and semiconductor laser usage determining method | Hiroshi Shimizu, Junji Yoshida, Yutaka Ohki | 2006-07-25 |
| 7072372 | Semiconductor laser device, semiconductor laser module, and optical fiber amplifier | Yutaka Ohki, Junji Yoshida | 2006-07-04 |
| 7031362 | Semiconductor laser device and semiconductor laser module using the device and method for low reflectivity | Young Duk Yoon, Sakiko Sugihara | 2006-04-18 |
| 7006545 | Semiconductor laser device and optical fiber amplifier using the same | Junji Yoshida, Tsuyoshi Saito, Satoshi Irino, Ryuichiro Minato | 2006-02-28 |
| 6996149 | Semiconductor laser device and semiconductor laser module | Junji Yoshida | 2006-02-07 |
| 6967982 | Semiconductor laser device with a strain reduction cushion function, semiconductor laser module, and semiconductor laser device fabrication method | Tsuyoshi Wakisaka, Masayoshi Seki, Junji Yoshida, Yutaka Oki | 2005-11-22 |
| 6950452 | Semiconductor laser module and method for simultaneously reducing relative intensity noise (RIN) and stimulated brillouin scattering (SBS) | Junji Yoshida, Toshio Kimura, Souko Kado | 2005-09-27 |
| 6947463 | Semiconductor laser device for use in a laser module | Junji Yoshida, Masaki Funabashi | 2005-09-20 |
| 6934311 | Semiconductor laser module and Raman amplifier | Hiroshi Shimizu, Junji Yoshida, Toshio Kimura, Yutaka Ohki, Kouhei Terada +1 more | 2005-08-23 |
| 6925102 | Semiconductor laser device, semiconductor laser module, and Raman amplifier using the device or module | Junji Yoshida, Satoshi Irino | 2005-08-02 |
| 6921677 | Method of manufacturing semiconductor element, and semiconductor element manufactured with this method | Satoshi Irino | 2005-07-26 |
| 6901095 | Semiconductor laser module, optical measuring method and optical measuring apparatus | Kohei Tsunetomo, Junji Yoshida, Naoki Hayamizu, Takashi Koseki | 2005-05-31 |
| 6898228 | Semiconductor laser device, semiconductor laser module, Raman amplifier using the device or module, and method for forming a suitable current blocking layer | Satoshi Irino, Junji Yoshida | 2005-05-24 |
| 6876680 | Semiconductor laser device, semiconductor laser module, and optical fiber amplifier | Junji Yoshida | 2005-04-05 |
| 6870871 | Semiconductor laser devices, and semiconductor laser modules and optical communication systems using the same | Junji Yoshida, Takeshi Aikiyo, Satoshi Koyanagi | 2005-03-22 |
| 6845117 | Semiconductor laser device, semiconductor laser module, and optical fiber amplifier using the device or module | Tsuyoshi Wakisaka, Junji Yoshida, Toshio Kimura, Shu Namiki | 2005-01-18 |
| 6844607 | Photodiode array device, a photodiode module, and a structure for connecting the photodiode module and an optical connector | Takehiro Shirai, Masayuki Iwase, Takeshi Higuchi | 2005-01-18 |