| Patent Number |
Title Of Patent |
Date Issued |
| 7368088 |
Apparatus for producing purified aqueous hydrogen peroxide solution |
May 6, 2008 |
| An apparatus for producing a purified aqueous hydrogen peroxide solution. The apparatus includes at least one purifier tower packed with an ion exchange resin, a chelate resin or an adsorption resin for receiving a charged aqueous hydrogen peroxide solution containing impurities so as to |
| 7059778 |
Optical fiber bundle, light source device using the optical fiber bundle, and method for manufac |
June 13, 2006 |
| An optical fiber bundle includes a plurality of optical fibers bundled on an input terminal side and on an output terminal side. The optical fiber bundle receives light from the input terminal side, and outputs the light to the output terminal side. The optical fiber bundle has a feature |
| 6937810 |
Amplifying optical fiber, optical fiber amplifier and optical transmission system |
August 30, 2005 |
| This invention relates to an optical fiber for amplification suitable for amplifying signals in the L-band, an optical fiber amplifier including the optical fiber, and an optical transmission system. The optical fiber amplifier according to the invention includes a silica-based optical f |
| 6911481 |
Method of regenerating ion exchange resin |
June 28, 2005 |
| A method of regenerating an ion exchange resin, comprising the steps of packing a used ion exchange resin in a regeneration tower; and repeating at least twice a step comprising passing an aqueous solution of regenerant through the regeneration tower downward from a top part of the r |
| 6783748 |
Process for producing purified aqueous hydrogen peroxide solution |
August 31, 2004 |
| A process for producing a purified aqueous hydrogen peroxide solution, comprising passing a charged aqueous hydrogen peroxide solution containing impurities through a purifier tower packed with an ion exchange resin, a chelate resin or an adsorption resin to thereby purify the charged aq |
| 6687439 |
Light-amplifying optical fiber and method of making the same |
February 3, 2004 |
| The present invention relates to a light-amplifying optical fiber comprising a structure for realizing a flat gain characteristic or oscillation characteristic in a wider wavelength band, and a method of making the same.The light-amplifying optical fiber according to the present inventio |
| 6450448 |
Airplane wheel unit |
September 17, 2002 |
| A drive unit for a wheel of an airplane landing gear includes a pneumatic motor having a first impeller which is driven by pneumatic energy of compressed air and a second impeller which is turned by the expanded exhaust from the first impeller. These impellers are fixed to the wheel |
| 5249615 |
Two zone tread pattern |
October 5, 1993 |
| The present invention provides a novel tread for a tire or anti-skid armor mounted on a tire. The tread has a central, circumferentially extending anti-skid zone, transverse tread members transverse to the anti-skid zone and driving tread members arranged in circumferentially extending d |
| 4740659 |
Pollution-proof insulator |
April 26, 1988 |
| The disclosed insulator has one or more sheds integrally formed with the central core so that each shed extends radially outward from the core. Each shed has an annular rib extending downward from the lower surface thereof, and the lower edge of the rib extends outwardly with respect to |