Kojima Engineering Co., Ltd.
Kojima Engineering Co., Ltd. Patent applications | ||
Patent application number | Title | Published |
---|---|---|
20120289127 | LENS SPHERICAL SURFACE GRINDING METHOD USING DISH-SHAPED GRINDSTONE - A spherical core type lens grinding device ( | 11-15-2012 |
20120045975 | LENS-PROCESSING DEVICE - A lens processing device ( | 02-23-2012 |