| Patent Number |
Title Of Patent |
Date Issued |
| 7110652 |
Optical waveguide and method of manufacture |
September 19, 2006 |
| An optical waveguide capable of having various characteristics and a method of manufacture thereof as well as a method of manufacturing a crystal film are provided. An optical functional material KTa.sub.xNb.sub.1-xO.sub.3 is used as an optical waveguide. The input optical signal is |
| 6996321 |
Optical waveguide and method of manufacture |
February 7, 2006 |
| An optical waveguide capable of having various characteristics and a method of manufacture thereof as well as a method of manufacturing a crystal film are provided. An optical functional material KTa.sub.xNb.sub.1-xO.sub.3 is used as an optical waveguide. The input optical signal is |
| 6795232 |
Wavelength converter |
September 21, 2004 |
| A wavelength converter implements high speed, high efficiency, low noise wavelength conversion without performing high voltage poling of a crystal, and enables switching and modulation of converted light in response to an electric field. A KLTN crystal, includes a deposited-gold electrod |
| 6792189 |
Optical waveguide and method of manufacture |
September 14, 2004 |
| An optical waveguide capable of having various characteristics and a method of manufacture thereof as well as a method of manufacturing a crystal film are provided. An optical functional material KTa.sub.x Nb.sub.1-x O.sub.3 is used as an optical waveguide. The input optical signal is tr |
| 6729541 |
Information reading apparatus and information recording medium |
May 4, 2004 |
| An information reading apparatus can detect the coupling state of the input light to a waveguide of a laminated recording medium in a simple manner, so as to enable to focus the input light on a target recording layer to access the information recorded in the target recording layer quick |
| 6654532 |
Read-only laminated information recording medium and manufacturing method therefor |
November 25, 2003 |
| A laminated optical medium for read-only information recording has ultra-high memory capacity and reliably extracts desired information from laminated memories. Methods for low-cost mass production of laminated read-only medium are demonstrated. The optical medium is a lamination of |
| 6281994 |
Method and apparatus for three-dimensional holographic display suitable for video image display |
August 28, 2001 |
| A method and an apparatus for three-dimensional holographic display suitable for moving object display are disclosed. At least one hologram of a display target object is displayed on a display device, and a non-scattered light is irradiated onto the display device to produce a scatte |
