Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10578885 | Polarization coupling device and optical modulation device | Hiroshi Kato, Kohei Shibata, Takehito Tanaka | 2020-03-03 |
| 10393970 | Optical module | Hiroshi Kato | 2019-08-27 |
| 9864147 | Optical modulator module | Hiroshi Kato, Shinji Maruyama, Kohei Shibata, Teruhiro Kubo, Takehito Tanaka | 2018-01-09 |
| 9638927 | Polarization combiner and optical modulation device | Kohei Shibata, Teruhiro Kubo, Shinji Maruyama, Shintaro Takeuchi, Hiroshi Kato +1 more | 2017-05-02 |
| 9638861 | Optical transmitter | Shinji Maruyama, Kohei Shibata, Teruhiro Kubo, Shintaro Takeuchi, Hiroshi Kato +1 more | 2017-05-02 |
| 9448424 | Optical module and optical modulation device | Kohei Shibata, Teruhiro Kubo, Shinji Maruyama, Shintaro Takeuchi, Hiroshi Kato +1 more | 2016-09-20 |
| 9405081 | Optical transmitting apparatus | Shinji Maruyama, Kohei Shibata, Teruhiro Kubo, Shintaro Takeuchi, Hiroshi Kato +1 more | 2016-08-02 |
| 9231728 | Optical module and optical transmitter | Masaki Sugiyama, Takehito Tanaka | 2016-01-05 |
| 9229292 | Optical module and optical transmitter | Masaki Sugiyama, Takehito Tanaka | 2016-01-05 |
| 7572070 | Optical device and manufacturing method thereof | — | 2009-08-11 |
| 7267492 | Optical integrated device | Seiichi Ikeda | 2007-09-11 |
| 6792181 | Wavelength-multiplexing bidirectional optical transmission module | — | 2004-09-14 |
| 6753997 | Magnetic field generator for optical devices utilizing magneto-optical effect | Nobuhiro Fukushima, Satoshi Tachibana | 2004-06-22 |
| 6293711 | Optical transmission module | — | 2001-09-25 |
| 6170996 | Optical module encapsulated with resin and manufacturing method therefor | Kazunori Miura, Naoki Yamamoto | 2001-01-09 |
| 5966488 | Optical module for connecting optical element and optical fiber | Kazunori Miura, Ryoichi Ochiai, Hideo Sumiyoshi, Goji Nakagawa | 1999-10-12 |
| 5960141 | Optical transmission terminal device | Kazuhiro Tanaka, Youske Yamazaki, Goji Nakagawa, Kazunori Miura | 1999-09-28 |
| 5883988 | Optical module including a photoreception device | Naoki Yamamoto, Masaaki Norimatsu, Goji Nakagawa | 1999-03-16 |
| 5748822 | Optical module for connecting optical element and optical fiber | Kazunori Miura, Ryoichi Ochiai, Hideo Sumiyoshi, Goji Nakagawa | 1998-05-05 |
| 5727104 | Optical transmission module and a method of producing the same | Kazuhiro Tanaka | 1998-03-10 |
| 5671315 | Optical parts fixing apparatus and method of manufacturing the same | Haruhiko Tabuchi, Tsugio Kumai, Kazunori Miura | 1997-09-23 |
| 5647042 | Optical link module connection system | Ryoichi Ochiai, Kazunori Miura, Goji Nakagawa | 1997-07-08 |