Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7095847 | DC/DC converter and subscriber line interface circuit | Kenichi Tsuruya, Keiichi Busujima, Nobuhiro Nakajima | 2006-08-22 |
| 7044652 | Optical transmission module | Kazumi Kawamoto, Koichiro Tonehira | 2006-05-16 |
| 7038866 | Optical module | Kenji Yoshimoto, Hiroyasu Sasaki, Masanobu Okayasu, Toshiaki Takai | 2006-05-02 |
| 7027674 | Optical module and optical transmission apparatus | Kazumi Kawamoto, Hideyuki Kuwano, Yoshiaki Niwa, Tetsuya Katou | 2006-04-11 |
| 7011457 | Optical coupling apparatus | Kazuyuki Fukuda, Hideyuki Kuwano, Yoshiaki Niwa | 2006-03-14 |
| 6937406 | Optical module and method for manufacturing optical module | Hideo Sotokawa, Hideyuki Kuwano, Yoshiaki Niwa, Keiichi Yamada, Masahiro Hirai +3 more | 2005-08-30 |
| 6937799 | Optical transmission module and optical communication system using the same | Kazumi Kawamoto | 2005-08-30 |
| 6856442 | Transmission line, optical module using the same and manufacturing method of optical module | Kazumi Kawamoto, Hideyuki Kuwano, Yoshiaki Niwa | 2005-02-15 |
| 6821030 | Optical coupling apparatus | Kazuyuki Fukuda, Hideyuki Kuwano, Yoshiaki Niwa | 2004-11-23 |
| 6813419 | Optical transmission module and optical communication system using the same | Kazumi Kawamoto, Hideo Sotokawa | 2004-11-02 |
| 6813102 | Optical module with a monitor photo diode | Hiroaki Furuichi, Kazumi Kawamoto | 2004-11-02 |
| 6124553 | Multilayer wiring board having vent holes and method of making | Yasunori Narizuka, Hidetaka Shigi, Haruhiko Matsuyama | 2000-09-26 |
| 5753372 | Wiring structures and method of manufacturing the same | Hideo Sotokawa, Miharu Otani, Fumio Kataoka, Fusaji Shoji, Haruhiko Matsuyama +5 more | 1998-05-19 |