Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11824584 | Node apparatus | Yusuke Muranaka | 2023-11-21 |
| 11777632 | Optical signal processor | Shiori Konisho, Kazunori Seno, Mitsumasa Nakajima, Masashi Miyata | 2023-10-03 |
| 11768342 | Optical multiplexing circuit and optical source | Junji Sakamoto, Naru Nemoto | 2023-09-26 |
| 11740405 | Optical multiplexing circuit and light source | Junji Sakamoto | 2023-08-29 |
| 11733100 | Polarization imaging system | Masashi Miyata, Mitsumasa Nakajima | 2023-08-22 |
| 11736193 | Optical network, optical transport system, and optical node included therein | Ibrahim Salah, Satoshi Shigematsu | 2023-08-22 |
| 11543591 | Optical multiplexer and RGB coupler | Junji Sakamoto | 2023-01-03 |
| 11515352 | Image-capture element and image capture device | Masashi Miyata, Mitsumasa Nakajima | 2022-11-29 |
| 11112563 | Optical multiplexing circuit | Junji Sakamoto, Kei Watanabe | 2021-09-07 |
| 11054575 | Optical spectrum shaper and optical signal monitor using same | Mitsumasa Nakajima, Kazunori Senoo, Kenya Suzuki | 2021-07-06 |
| 10886321 | Color image-capture element and image capture device | Masashi Miyata, Mitsumasa Nakajima | 2021-01-05 |
| 10797817 | Optical signal processing device | Kazunori Seno, Kenya Suzuki, Mitsumasa Nakajima, Keita Yamaguchi, Masashi Miyata +1 more | 2020-10-06 |
| 10649144 | Optical multiplexing circuit | Junji Sakamoto, Kei Watanabe | 2020-05-12 |
| 8971677 | Optical 90-degree hybrid circuit | Yohei Sakamaki, Yusuke Nasu, Kuninori Hattori, Hiroshi Takahashi | 2015-03-03 |
| 8737779 | Optical wavelength multi/demultiplexer | Tsutomu Kitoh, Shin Kamei, Yohei Sakamaki, Hiroshi Takahashi, Manabu Oguma | 2014-05-27 |
| 8649640 | Optical 90-degree hybrid circuit | Yohei Sakamaki, Yusuke Nasu, Kuninori Hattori, Hiroshi Takahashi | 2014-02-11 |
| 8588560 | Optical 90-degree hybrid circuit | Yohei Sakamaki, Takashi Goh, Yusuke Nasu, Kuninori Hattori, Hiroshi Takahashi | 2013-11-19 |
| 8554040 | Planar lightwave circuit, design method for wave propagation circuit, and computer program | Takashi Saida, Yohei Sakamaki, Tsutomu Kitoh, Hiroshi Takahashi, Masahiro Yanagisawa +4 more | 2013-10-08 |
| 8538222 | Planar lightwave circuit, design method for wave propagation circuit, and computer program | Takashi Saida, Yohei Sakamaki, Tsutomu Kitoh, Hiroshi Takahashi, Masahiro Yanagisawa +4 more | 2013-09-17 |
| 8483525 | Optical wavelength multiplexing/demultiplexing circuit, optical module using optical wavelength multiplexing/demultiplexing circuit, and communication system | Tsutomu Kitoh, Shin Kamei, Yohei Sakamaki, Hiroshi Takahashi, Manabu Oguma | 2013-07-09 |
| 8463097 | Planar lightwave circuit, design method for wave propagation circuit, and computer program | Takashi Saida, Yohei Sakamaki, Tsutomu Kitoh, Hiroshi Takahashi, Masahiro Yanagisawa +4 more | 2013-06-11 |
| 8150219 | Waveguide-type optical interferometer | Yusuke Nasu, Manabu Oguma, Yasuaki Hashizume, Yasuyuki Inoue, Hiroshi Takahashi +2 more | 2012-04-03 |
| 7899279 | Optical delay line interferometer | Yusuke Nasu, Kuninori Hattori, Yohei Sakamaki, Hiroshi Takahashi, Yasuyuki Inoue | 2011-03-01 |
| 7856163 | Planar lightwave circuit, design method for wave propagation circuit, and computer program | Takashi Saida, Yohei Sakamaki, Tsutomu Kitoh, Hiroshi Takahashi, Masahiro Yanagisawa +4 more | 2010-12-21 |
| 7580597 | Optical functional circuit | Tsutomu Kitoh, Yohei Sakamaki, Takashi Saida, Hiroshi Takahashi, Masahiro Yanagisawa +3 more | 2009-08-25 |