Issued Patents All Time
Showing 51–65 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773832 | Organic electroluminescent element and organic electroluminescence display using the same | Hiroyuki Sato, Azuma Matsuura | 2004-08-10 |
| 6693736 | Optical circuit system and components of same | Tetsuzo Yoshimura, Takeshi Ishitsuka, Katsusada Motoyoshi, Satoshi Tatsuura, Koji Tsukamoto +3 more | 2004-02-17 |
| 6338975 | Optical circuit device, its manufacturing process and a multilayer optical circuit using said optical circuit device | Tetsuzo Yoshimura, Satoshi Tatsuura, Yasuhiro Yoneda, Katsusada Motoyoshi, Koji Tsukamoto +1 more | 2002-01-15 |
| 6215585 | Optical circuit system and components of same technical field | Tetsuzo Yoshimura, Takeshi Ishitsuka, Katsusada Motoyoshi, Satoshi Tatsuura, Koji Tsukamoto | 2001-04-10 |
| 6081632 | Method of producing optical waveguide system, optical device and optical coupler employing the same, optical network and optical circuit board | Tetsuzo Yoshimura, Katsusada Motoyoshi, Takeshi Ishitsuka, Koji Tsukamoto, Shigenori Aoki +4 more | 2000-06-27 |
| 5917980 | Optical circuit device, its manufacturing process and a multilayer optical circuit using said optical circuit device | Tetsuzo Yoshimura, Satoshi Tatsuura, Yasuhiro Yoneda, Katsusada Motoyoshi, Koji Tsukamoto +1 more | 1999-06-29 |
| 5854868 | Optical device and light waveguide integrated circuit | Tetsuzo Yoshimura | 1998-12-29 |
| 5835646 | Active optical circuit sheet or active optical circuit board, active optical connector and optical MCM, process for fabricating optical waveguide, and devices obtained thereby | Tetsuzo Yoshimura, Takeshi Ishitsuka, Koji Tsukamoto, Shigenori Aoki, Satoshi Tatsuura +2 more | 1998-11-10 |
| 5818983 | Optical integrated circuit, optical circuit waveguide device and process for oriented, selective growth and formation of organic film | Tetsuzo Yoshimura, Satoshi Tatsuura, Yasuhiro Yoneda, Katsusada Motoyoshi, Koji Tsukamoto +2 more | 1998-10-06 |
| 5757989 | Optical circuit system capable of producing optical signal having a small fluctuation and components of same | Tetsuzo Yoshimura, Takeshi Ishitsuka, Katsusada Motoyoshi, Satoshi Tatsuura, Koji Tsukamoto +3 more | 1998-05-26 |
| 5659010 | Nonlinear optical material, process of production of same, and nonlinear optical device and directional coupling type optical switch using same | Satoshi Tatsuura, Tetsuzo Yoshimura, Azuma Matsuura, Tomoaki Hayano | 1997-08-19 |
| 5612449 | Nonlinear optical material, process of production of same, and nonlinear optical device and directional coupling type optical switch using same | Satoshi Tatsuura, Tetsuzo Yoshimura, Azuma Matsuura, Tomoaki Hayano | 1997-03-18 |
| 5594093 | Nonlinear optical material and nonlinear optical device and directional coupling type optical switch using same | Satoshi Tatsuura, Tetsuzo Yoshimura, Azuma Matsuura, Tomoaki Hayano | 1997-01-14 |
| 5459232 | Nonlinear optical material, process of production of same, and nonlinear optical device and directional coupling type optical switch using same | Satoshi Tatsuura, Tetsuzo Yoshimura, Azuma Matsuura, Tomoaki Hayano | 1995-10-17 |
| 5444811 | Organic functional optical thin film, fabrication and use thereof | Tetsuzo Yoshimura, Ei Yano, Satoshi Tatsuura | 1995-08-22 |