Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7283690 | Optical waveguide device, method of manufacturing the same, and optical communication equipment | Yoshiyuki Komura, Kazuyuki Hayamizu, Yukari Terakawa | 2007-10-16 |
| 7269309 | Optical waveguide device, manufacturing method for optical waveguide device and intermediate of optical waveguide device | Yoshiyuki Komura, Kazuyuki Hayamizu, Masayoshi Higuchi, Hisashi Taniguchi, Yukari Terakawa | 2007-09-11 |
| 7244924 | Transparent optical component for light emitting/receiving elements | Hironobu Kiyomoto, Naru Yasuda, Kenji Homma, Yukari Terakawa | 2007-07-17 |
| 7228026 | Optical multiplexer/demultiplexer and manufacturing method thereof | Hiromi Totani | 2007-06-05 |
| 7177517 | Optical wave guide and the method of propagating light using the same | Akihiko Sano, Shuichi Misuimi, Akihiko Hatamura, Naru Yasuda | 2007-02-13 |
| 7174081 | Optical waveguide device, manufacturing method thereof and optical communication apparatus | Kazuyuki Hayamizu, Yoshiyuki Komura, Yukari Terakawa, Toshiyuki Takahashi, Masayoshi Higuchi +3 more | 2007-02-06 |
| 7155103 | Optical wave guide and method for producing the same | Masayoshi Higuchi, Toshiyuki Takahashi, Hiromi Totani, Naru Yasuda, Fumihiko Sato | 2006-12-26 |
| 7130503 | Optical multiplexer/demultiplexer | Yukari Terakawa, Toshinari Mori | 2006-10-31 |
| 7113683 | Optical waveguide device, manufacturing method thereof and optical communication apparatus | Kazuyuki Hayamizu, Yoshiyuki Komura, Yukari Terakawa, Toshiyuki Takahashi, Masayoshi Higuchi +3 more | 2006-09-26 |
| 7065269 | Optical multiplexer/demultiplexer, optical integrated circuit and light transceiver using the same | Masayoshi Higuchi, Hiroyuki Fujiwara, Kazuyuki Hayamizu, Yoshiyuki Komura, Akira Enami | 2006-06-20 |
| 7013055 | Optical waveguide device, manufacturing method thereof, and optical communication apparatus | Kazuyuki Hayamizu, Yoshiyuki Komura, Yukari Terakawa, Toshiyuki Takahashi, Masayoshi Higuchi +3 more | 2006-03-14 |
| 6957006 | Optical element and optical device using the same | Yukari Terakawa, Yasunari Kitajima, Toshifumi Sumino, Yoshihisa Ishida | 2005-10-18 |
| 6950588 | Optical wave guide, an optical component and an optical switch | Yukari Terakawa | 2005-09-27 |
| 6904221 | Optical device, and optical transceiver and other optical apparatuses using the optical device | Naru Yasuda, Yukari Terakawa | 2005-06-07 |
| 6813433 | Method for manufacturing optical waveguide and optical waveguide device, optical waveguide device and optical waveguide, and optical communication apparatus using optical waveguide device | Yoshiyuki Komura, Kazuyuki Hayamizu, Yukari Terakawa, Toshinari Mori | 2004-11-02 |
| 6552368 | Light emission device | Shingo Tamai, Hironobu Kiyomoto, Naru Yasuda | 2003-04-22 |
| 5844682 | Optical sensor device | Hironobu Kiyomoto, Naru Yasuda, Kouichi Ekawa | 1998-12-01 |
| 5835472 | Optical pickup device with substantially mutually orthogonal reflection surfaces | Noriyoshi Horie, Tatsuo Ohgaki, Masami Tada, Tsukasa Yamashita | 1998-11-10 |
| 5790259 | Reflection-type photoelectric sensing apparatus | Shinji Mizuhata, Arata Nakamura, Nobuharu Ishikawa, Hiroyuki Inoue, Satoru Shimokawa +3 more | 1998-08-04 |
| 5768026 | Dichroic mirror for separating/synthesizing light with a plurality of wavelengths and optical apparatus and detecting method using the same | Hironobu Kiyomoto, Kouichi Ekawa | 1998-06-16 |
| 5615181 | Optical read/write head with low angle beam splitter and coplanar detectors | Tatsuo Ohgaki, Kouhei Tomita, Hironobu Kiyomoto, Naru Yasuda, Shinya Otsuki | 1997-03-25 |
| 5600487 | Dichroic mirror for separating/synthesizing light with a plurality of wavelengths and optical apparatus and detecting method using the same | Hironobu Kiyomoto, Kouichi Ekawa | 1997-02-04 |
| 5513289 | Optical integrated lens/grating coupling device | Tsukasa Yamashita | 1996-04-30 |
| 5511142 | Rib optical waveguide and method of manufacturing the same | Noriyoshi Horie, Masami Tada, Tsukasa Yamashita, Tatsuo Ohgaki, Hironobu Kiyomoto | 1996-04-23 |
| 5444677 | Optical read/write head low angle beamsplitter and coplanar detectors | Tatsuo Ohgaki, Kouhei Tomita, Hironobu Kiyomoto, Naru Yasuda, Shinya Otsuki | 1995-08-22 |