| KOKEN LTD. Patent applications |
| Patent application number | Title | Published |
| 20110159765 | SHEET OF MICROFIBER ASSEMBLY, AND METHOD AND APPARATUS FOR MAKING THE SAME - The present invention aims to provide a sheet of microfiber assembly having a high filtering performance suitable as an oil-mist filter. A sheet of microfiber assembly | 06-30-2011 |
| 20100124562 | ANTIMICROBIAL COMPOSITION, PROCESS FOR PREPARING THE SAME, AND UTILIZATION THEREOF - A highly antimicrobial composition having characteristics of a lactic acid polymer such as biodegradability is prepared by combining a lactic acid oligomer with a metal salt thereof. | 05-20-2010 |
| 20100083967 | MASK DEVICE WITH BLOWER - In a mask device with blower, a sensor for warning is disposed, which detects a movement position of an exhaust valve corresponding to the case where an internal pressure of a face body is lower than an outer atmospheric pressure at the time of inhaling air in a non-contact state and outputs a signal. A warning device operates in accordance with a signal that is output from the sensor for warning. | 04-08-2010 |
| 20090156112 | TOXIC GAS EXPOSURE PREVENTING SYSTEM FOR ANATOMIC PRACTICE ROOM - A toxic gas exposure preventing system for an anatomic practice room is provided which not only can obtain a satisfactory toxic gas exposure preventing effect without impairing workability but also permits the use of existing dissecting tables as they are without requiring any special work such as an exhaust duct installing work. | 06-18-2009 |