| KOA GLASS CO., LTD. Patent applications |
| Patent application number | Title | Published |
| 20100004111 | Antimicrobial Glass and Method of Producing Antimicrobial Glass - An antimicrobial glass is provided which can release a predetermined amount of silver ion rapidly for a long period of time and can provide a predetermined antimicrobial treatment repeatedly to a matter to be antibacterialized during or after washing and which is excellent in discoloration prevention effect and discriminativity, and a method for producing the same is also provided. | 01-07-2010 |
| 20090060967 | Antimicrobial fiber and method for producing the same thereof - An object of the present invention is to provide an antimicrobial fiber having a diameter of approximately 10 to 30 μm that is superior in surface smoothness, transparency, and others, and a method for producing the same thereof. Provided is an antimicrobial fiber, comprising a transparent resin, an antimicrobial glass, and inorganic particles as a dispersant of the antimicrobial glass, wherein a diameter of the antimicrobial fiber is in the range of 10 to 30 μm, an average particle size of the antimicrobial glass is in the range of 0.1 to 10 μm, an addition quantity of the antimicrobial glass is in the range of 0.1 to 10% by weight with respect to the total weight, an average particle size of the inorganic particles is in the range of 1 to 15 μm, and an addition quantity of the inorganic particles is in the range of 0.1 to 50 parts by weight with respect to 100 parts by weight of the addition quantity of the antimicrobial glass. | 03-05-2009 |
| 20080233319 | Multicolor Development Glass Vessel and Process for Producing the Same - A multicolor development glass vessel of high surface hardness whose color is differentiated depending on the direction of viewing the glass vessel and a process for producing the same are provided. In the multicolor development glass vessel, a multilayer film is directly or indirectly formed on the external surface and internal surface, or either one thereof of the glass vessel by vapor deposition or sputtering technique and contains, for example, two types of vapor deposition layers whose refractive indices differ from each other by 0.1 or more in an alternate manner. Furthermore, for carrying out the process for producing the multicolor development glass vessel, the following steps (1) and (2) are included.
| 09-25-2008 |