Issued Patents All Time
Showing 51–65 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7548694 | Apparatus of adjusting optical signal transmission timing | Masaki Ohira, Yusuke Yajima, Akihiko Tsuchiya, Yoshinobu Morita | 2009-06-16 |
| 7512341 | Passive optical network system and ranging system thereof | Masaki Ohira, Yusuke Yajima, Norihiro Sakamoto | 2009-03-31 |
| 7489869 | Passive optical network system and ranging system thereof | Masaki Ohira, Yusuke Yajima, Norihiro Sakamoto | 2009-02-10 |
| 7483506 | Bit synchronization circuit with phase tracking function | Yusuke Yajima, Yoshihiro Ashi | 2009-01-27 |
| 7369768 | Optical access system | Kenichi Sakamoto, Yoshihiro Ashi, Ryosuke Nishino, Masayuki Takase, Masahiko Mizutani | 2008-05-06 |
| 7239813 | Bit synchronization circuit and central terminal for PON systems | Yusuke Yajima, Toshihiro Ashi | 2007-07-03 |
| 6301033 | Optical transmission equipment and optical networks | — | 2001-10-09 |
| 5500756 | Optical fiber transmission system and supervision method of the same | Hideaki Tsushima, Shinya Sasaki, Yukio Nakano, Hiroyuki Nakano, Ryoji Tateyari +9 more | 1996-03-19 |
| 5434886 | Digital communication system | Takanori Miyamoto, Katsuyuki Miyazaki | 1995-07-18 |
| 5424882 | Signal processor for discriminating recording data | — | 1995-06-13 |
| 5276709 | Correlation code transmission system | Takanori Miyamoto, Toshiro Suzuki, Takashi Morita, Ichiro Mass'e | 1994-01-04 |
| 5267267 | Timing extraction method and communication system | Takanori Miyamoto, Toshiroh Suzuki, Shigeo Nishita, Ichiro Masse, Takashi Morita +1 more | 1993-11-30 |
| 5237590 | Timing extraction circuit and communication system utilizing the same | Toshiro Suzuki, Takashi Morita, Souichi Yamashima | 1993-08-17 |
| 5123030 | Timing extraction method and communication system | Takanori Miyamoto, Toshiroh Suzuki, Shigeo Nishita, Ichiro Masse, Takashi Morita +1 more | 1992-06-16 |
| 4841521 | Method and system for bidirectionally transmitting data | Eiichi Amada, Hirotoshi Shirasu, Hiroshi Takatori, Toshiro Suzuki, Takanori Miyamoto +1 more | 1989-06-20 |