Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7308210 | Optical modulating device, optical transmitting apparatus using the same, method of controlling optical modulating device, and control program recording medium | Tattee Khayim, Ko Koga, Hiroyuki Agatsuma, Mitsuru Sugawara | 2007-12-11 |
| 6983108 | Optical switching apparatus and optical transmission apparatus | Mitsuru Sugawara, Takashi Yano, Kyosuke Dobashi, Katsumi Kusama, Kazuhiko Ide +3 more | 2006-01-03 |
| 6959003 | Serial transmission path switching system | Nobutaka Shinohara, Tomoaki Sugiyama, Takashi Cho, Kazuhiko Ide, Yoshio Inagaki | 2005-10-25 |
| 6794724 | Module for optical communications for converting light and differential signals | Masato Yoshida | 2004-09-21 |
| 5412340 | Shield structure for use in microwave circuit device | — | 1995-05-02 |
| 5015839 | Automatic gain multiplication factor control apparatus and method | — | 1991-05-14 |
| 4899339 | Digital multiplexer | Taro Shibagaki, Takehiko Atsumi, Hiroyuki Ibe | 1990-02-06 |
| 4795919 | Zero signal state detecting circuit | Hiroyuki Ibe, Taro Shibagaki | 1989-01-03 |