Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10797817 | Optical signal processing device | Kazunori Seno, Kenya Suzuki, Mitsumasa Nakajima, Keita Yamaguchi, Masashi Miyata +1 more | 2020-10-06 |
| 10050717 | Multi-stage interferometer circuit with waveform shaping function | Mikitaka Itoh, Kiyofumi Kikuchi | 2018-08-14 |
| 9762982 | Multi-flow optical transceiver, multi-flow optical transponder and multi-flow optical node | Kazushige Yonenaga, Hidehiko Takara, Masahiko Jinno, Kohki Shibahara | 2017-09-12 |
| 9360629 | Waveguide type optical switch | Toshio Watanabe, Kenya Suzuki, Hiroshi Yamazaki, Atsushi Mori | 2016-06-07 |
| 9326049 | Multi-flow optical transceiver, multi-flow optical transponder and multi-flow optical node | Kazushige Yonenaga, Hidehiko Takara, Masahiko Jinno, Kohki Shibahara | 2016-04-26 |
| 9223184 | Optical modulator | Hiroshi Yamazaki, Takashi Saida | 2015-12-29 |
| 9128348 | Light modulation circuit | Hiroshi Yamazaki, Hiroshi Takahashi, Takashi Saida, Kiyofumi Kikuchi | 2015-09-08 |
| 8965146 | Advanced-format optical modulator with low power consumption and low-loss characteristics | Yoshiyuki Doi, Shinji Mino, Ken Tsuzuki, Hiroshi Yamazaki, Takashi Yamada | 2015-02-24 |
| 8948546 | Optical frequency shifter and optical modulator using the same | Takashi Saida, Hiroshi Yamazaki, Ken Tsuzuki, Shinji Mino | 2015-02-03 |
| 8879873 | Optical modulator | Hiroshi Yamazaki | 2014-11-04 |
| 8787710 | Wideband interferometer type polarization light beam combiner and splitter | Takayuki Mizuno, Hiroshi Yamazaki, Shin Kamei, Tsutomu Kitoh | 2014-07-22 |
| 8721191 | Optical component | Motohaya Ishii, Takashi Yamada, Yoshiyuki Doi, Takashi Saida, Ken Tsuzuki +8 more | 2014-05-13 |
| 8705900 | Optical modulator | Takashi Yamada, Hiroshi Yamazaki, Yoshiyuki Doi | 2014-04-22 |
| 8625943 | Waveguide device and module | Shunichi Soma, Yasuaki Hashizume, Masahiro Yanagisawa, Takanori Ishikawa, Mitsuru Nagano +2 more | 2014-01-07 |
| 8588560 | Optical 90-degree hybrid circuit | Yohei Sakamaki, Toshikazu Hashimoto, Yusuke Nasu, Kuninori Hattori, Hiroshi Takahashi | 2013-11-19 |
| 8569674 | Multiplexed photocurrent monitoring circuit comprising current mirror circuits | Ryosuke Saito, Hisanobu Tanigawa, Ryoichi Kasahara | 2013-10-29 |
| 7995876 | Arrayed waveguide grating circuit | Tomoyuki Yamada, Mitsuru Nagano, Mikitaka Ito, Toshio Watanabe, Takayuki Mizuno +1 more | 2011-08-09 |
| 7974502 | Optical module and optical switch | Shinji Mino, Takeshi Kitagawa, Motohaya Ishii, Takashi Yamada, Akira Himeno +2 more | 2011-07-05 |
| 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 |
| 7020398 | Dispersion slope equalizer | Koichi Takiguchi, Katsunari Okamoto | 2006-03-28 |
| 6999652 | Optical module and optical switch constituting the same | Shinji Mino, Takeshi Kitagawa, Motohaya Ishii, Takashi Yamada, Akira Himeno +2 more | 2006-02-14 |
| 6912362 | Dispersion slope equalizer | Koichi Takiguchi, Katsunari Okamoto | 2005-06-28 |
| 6823094 | Interferometer and its fabrication method | Makoto Abe, Yasuyuki Inoue, Masayuki Okuno, Takashi Saida | 2004-11-23 |