Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7974502 | Optical module and optical switch | Shinji Mino, Takeshi Kitagawa, Motohaya Ishii, Takashi Yamada, Akira Himeno +2 more | 2011-07-05 |
| 7590312 | Interferometer optical switch and variable optical attenuator | Takayuki Mizuno, Hiroshi Takahashi, Tsutomu Kitoh, Manabu Oguma | 2009-09-15 |
| 7272317 | Optical multiplexing communication system using ultra high speed signal transmission | Masao Kato, Kazuo Fujiura, Takashi Kurihara | 2007-09-18 |
| 7206473 | Optical module and optical switch constituting the same | Shinji Mino, Takeshi Kitagawa, Motohaya Ishii, Takashi Yamada, Akira Himeno +2 more | 2007-04-17 |
| 7177495 | Optical module and optical switch constituting the same | Shinji Mino, Takeshi Kitagawa, Motohaya Ishii, Takashi Yamada, Akira Himeno +2 more | 2007-02-13 |
| 7116859 | Optical module and optical switch constituting the same | Shinji Mino, Takeshi Kitagawa, Motohaya Ishii, Takashi Yamada, Akira Himeno +2 more | 2006-10-03 |
| 6999652 | Optical module and optical switch constituting the same | Shinji Mino, Takeshi Kitagawa, Motohaya Ishii, Takashi Yamada, Akira Himeno +2 more | 2006-02-14 |