Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11256050 | Optical communication module | Hayato Minekawa, Koichi Omori, Akihiro Hayami, Saki Narisawa | 2022-02-22 |
| 9977193 | Dust cap and optical transceiver | Yuki Abe | 2018-05-22 |
| 8131158 | Optical transmission circuit | Hiroo Matsue, Akira Kuwahara | 2012-03-06 |
| 7821125 | Semiconductor device | Hiroo Matsue, Fumihide Maeda | 2010-10-26 |
| 7712980 | Optical transmission module, optical transmission apparatus, and structure for fixing member | Hiroo Matsue | 2010-05-11 |
| 7643954 | Bidirectional communication system and calibrator | Antony Cleitus, Hiroo Matsue, Tomonao Kikuchi | 2010-01-05 |
| 7552872 | Reader/writer, optical transceiver module, and cable system | Hiroo Matsue, Antony Cleitus, Tomonao Kikuchi | 2009-06-30 |
| 7215886 | Optical communication module | Shigenobu Maruyama, Kazumi Kawamoto, Hiroaki Furuichi, Tooru Yoshida, Isamu Yoshida +6 more | 2007-05-08 |
| 7167654 | Optoelectronic transceiver with power voltage supply detection | Tomokazu Tanaka, Cleitus Antony, Tarou Tonoduka, Masazumi Noguchi | 2007-01-23 |
| 7031620 | Optical transmission device and optical transmission system using the same | Mitsuo Akashi, Naohiko Baba, Yoichi Honzawa, Hideki Satoh | 2006-04-18 |
| 6923580 | Optical transmission module | Katsuya Ohno, Tsutomu Kuroiwa, Osamu Yamada, Toshikazu Ohtake | 2005-08-02 |
| 6925264 | Optical transmitter and optical transmitting apparatus using the same | Atsushi Hasegawa, Takahiro Hamagishi | 2005-08-02 |
| 6901223 | Optical transmitter and optical transmitting apparatus using the same | Atsushi Hasegawa, Takahiro Hamagishi | 2005-05-31 |
| 6868235 | Optical transmission module with light element temperature control | Tadashi Hatano, Fumihide Maeda, Yoichi Honzawa, Katsumi Saito | 2005-03-15 |
| 6693932 | Optical wavelength stabilization circuit, optical transmitter and optical transmission system | Mitsuo Akashi, Yoichi Honzawa, Sunil Sharma | 2004-02-17 |
| 6559995 | Optical transmission method and optical transmitter with temperature compensation function | — | 2003-05-06 |
| 6559997 | Optical transmitter and optical transmitting apparatus using the same | Atsushi Hasegawa, Takahiro Hamagishi | 2003-05-06 |
| 6362910 | Optical transmitter having temperature compensating function and optical transmission system | — | 2002-03-26 |
| 4865249 | Safety device | Mitsutoshi Sugano, Toshiya Uchida, Atsuhiko Kaneaki, Shigeho Shimada | 1989-09-12 |