Issued Patents All Time
Showing 51–75 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9083467 | Optical transmission apparatus and optical transmission method | Satoshi Ide | 2015-07-14 |
| 8891975 | Optical receiver and optical transmitter | Takatoshi Yagisawa | 2014-11-18 |
| 8737848 | Optical receiver | Naoki Kuwata | 2014-05-27 |
| 8491316 | Connection terminal and transmission line | Takatoshi Yagisawa | 2013-07-23 |
| 8306439 | Communication apparatus and signal reception method | Naoki Kuwata, Toru Katagiri | 2012-11-06 |
| 8283565 | Flexible substrate | Takatoshi Yagisawa | 2012-10-09 |
| 8257094 | Connection terminal and transmission line | Takatoshi Yagisawa | 2012-09-04 |
| 8178788 | Electronic component package | Takatoshi Yagisawa | 2012-05-15 |
| 7864892 | Control method and apparatus for receiving optical signal | Naoki Kuwata, Toru Katagiri | 2011-01-04 |
| 7734188 | Deskew device and deskew method | Naoki Kuwata, Takatoshi Yagisawa | 2010-06-08 |
| 7696628 | Relay substrate and substrate assembly | Takatoshi Yagisawa, Tszshing Cheung | 2010-04-13 |
| 7609982 | RZ-DPSK optical receiver circuit | — | 2009-10-27 |
| 7532824 | Driving method of optical modulator, and optical transmitter and optical transmission system using same | — | 2009-05-12 |
| 7443279 | Coil package and bias tee package | Takatoshi Yagisawa, Yasuhide Kuroda, Tszshing Cheung | 2008-10-28 |
| 7444085 | DQPSK optical receiver circuit | Naoki Kuwata | 2008-10-28 |
| 7436056 | Electronic component package | Tszshing Cheung, Takatoshi Yagisawa | 2008-10-14 |
| 7279778 | Semiconductor package having a high-speed signal input/output terminal | — | 2007-10-09 |
| 7264405 | Optical module | — | 2007-09-04 |
| 7266308 | Light output control circuit | Tadao Inoue, Hiroyuki Rokugawa, Masaaki Kawai, Norio Ueno, Norio Murakami +3 more | 2007-09-04 |
| 7200343 | Drive control apparatus and drive control method for optical modulator | — | 2007-04-03 |
| 7068747 | Data decision circuit using clock signal which has phase optimized with respect to phase of input data signal | Hiroyuki Rokugawa, Daisuke Yamazaki, Masaaki Kawai | 2006-06-27 |
| 7046100 | Direct current cut structure | Takatoshi Yagisawa | 2006-05-16 |
| 6975813 | Light output control device | Tadao Inoue, Hiroyuki Rokugawa, Masaaki Kawai, Norio Ueno, Norio Murakami +3 more | 2005-12-13 |
| 6795656 | Optical transmission circuit using a semiconductor laser | Yuji Tochio, Toshiyuki Takauji | 2004-09-21 |
| 6728495 | Light output control circuit with a warning function of deteriorated light output | Makoto Miki, Norio Murakami, Toshiyuki Takauji, Toru Matsuyama, Tadao Inoue +1 more | 2004-04-27 |