| Patent application number | Description | Published |
|---|
| 20080204902 | ZOOM LENS SYSTEM AND OPTICAL APPARATUS INCLUDING THE SAME - A zoom lens system includes a first lens unit having a negative refractive power, at least one lens unit having a positive refractive power, and an optical element composed of a material having an Abbe number and a partial dispersion that satisfy a predetermined condition. The first lens unit, an aperture stop, and the at least one lens unit are arranged in this order from the object side to the image side. The zoom lens system performs zooming while changing the distance between the lens units. The focal length f | 08-28-2008 |
| 20080273249 | ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME - A compact zoom lens includes a first lens unit disposed closest to an object side, an aperture, and a rear lens group. The first lens unit includes a first diffraction optical part having positive refractive power, and the rear lens group includes a second diffraction optical part having positive refractive power. The power relation between the two diffraction optical parts and the positions of the diffraction optical parts are set appropriately. The zoom lens can have a high zoom ratio wherein chromatic aberration is fully corrected, and an image pickup apparatus employing this zoom lens can be provided. | 11-06-2008 |
| 20090040604 | ZOOM LENS DEVICE AND IMAGE PICKUP APPARATUS INCLUDING THE SAME - A zoom lens device includes, from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, and a fourth lens unit having a positive refractive power. The zoom lens device is formed so that a distance Ximg between a position of the first lens unit at the wide-angle end and a position of the first lens unit that is maximally moved towards the image side, a distance Xobj between the position of the first lens unit at the wide-angle end and a position of the first lens unit that is maximally moved towards the object side, and a focal length fw of the zoom lens device at the wide-angle end are suitable values. | 02-12-2009 |
| 20090040625 | ZOOM LENS SYSTEM AND IMAGE PICKUP APPARATUS INCLUDING THE SAME - A zoom lens system includes, in order from an object side to an image side, first, second, third, and fourth lens units having positive, negative, positive, and positive optical powers, respectively. The first lens unit includes one negative lens element and two positive lens elements, and moves during zooming. The zoom lens system satisfies the following condition: | 02-12-2009 |
| 20100271496 | IMAGE PICKUP APPARATUS AND IMAGE CONVERSION METHOD - To reduce degradation of image quality occurring upon correction of an image shake, provided is an image pickup apparatus including: an image pickup optical system; an image pickup element for photoelectrically converting an image formed by the image pickup optical system; a processing unit for processing a taken image; a detection unit for detecting a shake of the image pickup apparatus; and an image stabilizing unit for decentering an image stabilizing lens unit formed as a part of the image pickup optical system based on a detection result from the detection unit. The processing unit performs the process by using an image restore filter corresponding to a position of the image stabilizing lens unit at a time of image taking. | 10-28-2010 |
| Patent application number | Description | Published |
|---|
| 20090280334 | GAS-BARRIER MATERIAL, METHOD OF PRODUCING THE SAME AND GAS-BARRIER PACKING MATERIAL - A gas-barrier material comprising a polycarboxylic acid polymer (A) and a compound (B) having two ring structures (b) each of which forming an ether bond to carbon that forms a double bond with nitrogen and containing oxygen in the ether bond, wherein a crosslinked structure is formed by the reaction of a carboxyl group in the polycarboxylic acid polymer (A) with one of the ring structures (b) of the compound (B). The gas-barrier material features excellent gas-barrier property, retort resistance and flexibility, can be cured at a low temperature within short periods of time, and can be excellently produced. | 11-12-2009 |
| 20100015449 | COMPOSITION FOR FORMING GAS-BARRIER MATERIAL, GAS-BARRIER MATERIAL, A METHOD OF PRODUCING THE SAME, AND GAS-BARRIER PACKING MATERIAL - A composition for forming a gas-barrier material, comprising a polycarboxylic acid-type polymer (A) and at least a bifunctional alicyclic epoxy compound (B). The composition for forming a gas-barrier material features excellent gas-barrier property, retort resistance and flexibility, can be cured at a low temperature in a short period of time without affecting the plastic base material, and contributes to improving the productivity. | 01-21-2010 |
| 20110091743 | METHOD OF PRODUCING GAS-BARRIER LAMINATED MEMBER - A method of producing a gas-barrier laminated member having a gas-barrier layer formed by crosslinking the carboxyl groups of a polycarboxylic acid polymer with multivalent metal ions. The method comprises forming a layer (A) containing an alkaline compound of a multivalent metal on at least one surface of a plastic base material, applying a solution (b) obtained by dissolving a polycarboxylic acid polymer in a solvent containing at least water onto the layer (A) that contains the alkaline compound of the multivalent metal, and removing the solvent by a heat treatment so that a metal-ionically crosslinked structure is formed with the multivalent metal ions among the carboxyl groups in the solution (b). The gas-barrier laminated member has excellent adhesion to the base material, gas-barrier property, retort resistance and flexibility, and is efficiently produced by only being heated at a low temperature for a short period of time through a decreased number of simplified steps. | 04-21-2011 |
| 20110200836 | GAS-BARRIER MATERIAL HAVING EXCELLENT ANTI-BLOCKING PROPERTY AND METHOD OF PRODUCING THE SAME - A gas-barrier material having a gas-barrier layer which comprises a polycarboxylic acid polymer, the gas-barrier layer having a chemical bond stemming from an isocyanate group formed in the surface thereof, and the content of nitrogen being at least not less than 1 atom % per the total amount of carbon, oxygen and nitrogen in the surface layer. The gas-barrier material comprising a polycarboxylic acid polymer which is a high hydrogen-bonding polymer exhibits excellent anti-blocking property without dependent upon the degree of crosslinking. | 08-18-2011 |
