Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8861557 | Wavelength-tunable light source and wavelength variation method | Takeshi Hoshida | 2014-10-14 |
| 8757898 | Optical coupling structure and array optical amplification module | — | 2014-06-24 |
| 8654440 | Optical amplification module and optical switch device | — | 2014-02-18 |
| 8437589 | Optical module | — | 2013-05-07 |
| 8014642 | Optical gate array device | — | 2011-09-06 |
| 7826744 | Optical network system and transmission apparatus | Hideyuki Miyata, Yutaka Kai | 2010-11-02 |
| 7702197 | SOA array optical module | — | 2010-04-20 |
| 7657181 | Optical add/drop multiplexer and optical network system | Noboru Terai | 2010-02-02 |
| 7548669 | Optical gate array device | — | 2009-06-16 |
| 7460744 | Ring type optical transmission system and optical apparatus connected to same | — | 2008-12-02 |
| 7406262 | Optical transmission device | Hideyuki Miyata, Yutaka Kai, Hiroshi Onaka, Setsuo Yoshida, Kyosuke Sone +1 more | 2008-07-29 |
| 7405858 | Acousto-optic tunable filter control apparatus automatically adjusting frequency and power of radio frequency signal | Masaji Noguchi, Tomohiro Ueno, Yutaka Kai | 2008-07-29 |
| 7079728 | Wavelength multiplexing processing apparatus | Hideyuki Miyata | 2006-07-18 |
| 6985657 | Arrayed waveguide wavelength multiplexing apparatus and optical transmitter | — | 2006-01-10 |
| 6847772 | Planar optical waveguide device | Tadao Inoue, Koji Suzuki | 2005-01-25 |
| 6807354 | Waveguide optical device | Haruhiko Tabuchi | 2004-10-19 |
| 6669378 | Ferrule assembly and optical module | Hiroyuki Nobuhara, Kazuhiro Tanaka | 2003-12-30 |
| 6641308 | Ferrule assembly and optical module | Hiroyuki Nobuhara, Kazuhiro Tanaka | 2003-11-04 |
| 6599029 | Ferrule assembly and receptacle type optical transmission module | Yousuke Yamazaki, Hiroyuki Nobuhara | 2003-07-29 |
| 6488415 | Ferrule assembly and optical module | Hiroyuki Nobuhara, Kazuhiro Tanaka | 2002-12-03 |
| 6394663 | Ferrule assembly and optical module | Kazuhiro Tanaka | 2002-05-28 |
| 6390686 | Ferrule assembly and optical module | Hiroyuki Nobuhara, Kazuhiro Tanaka | 2002-05-21 |
| 6269209 | Resin sealed optical module | Koji Terada, Taizo Nosaka, Kazuhiro Tanaka, Kazunori Miura, Yoshihiro Yoneda +1 more | 2001-07-31 |
| 6085000 | Wavelength division multiplexing optical device and manufacturing method therefor | Kazuhiro Tanaka, Youske Yamazaki, Haruhiko Tabuchi | 2000-07-04 |
| 6049638 | Photodetector module | Masaaki Norimatsu, Naoki Yamamoto, Kazunori Miura, Kazuhiro Tanaka | 2000-04-11 |