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| Number | Title | Issue Date |
| 8189271 | Imaging lens and imaging apparatus An imaging lens includes a first-lens having negative power, and which is a meniscus lens the image-side surface of which has concave shape; a second-lens, the object-side surface and the image-side surface of which are aspheric, and which has double-concave shape i... | 05/29/2012 |
| 8189272 | Optical lens assembly for image taking An optical lens assembly for image taking, sequentially from an object side to an image side along an optical axis comprises: the first lens element with refractive power, a bi-convex second lens element with positive refractive power, the third lens element with ne... | 05/29/2012 |
| 8184384 | Imaging lens and imaging apparatus An imaging lens is provided and includes: in order from the object side, a first lens having a concave surface on an image side thereof; a second lens of a negative lens having a concave surface on the image side and having at least one aspheric surface; a third len... | 05/22/2012 |
| 8184383 | Imaging lens and image pickup device An imaging lens includes in order from an object side, a stop and a first lens to a fourth lens. Both the surfaces of a third lens have surfaces including at least one inflection point, and an inclination of each surface at the terminal end part of a periphery withi... | 05/22/2012 |
| 8179616 | Optical lens assembly for image taking An optical lens assembly for image taking, sequentially arranged from an object side to an image side, comprises: the first lens element with refractive power, the second lens element with positive refractive power, the third lens element with negative refractive po... | 05/15/2012 |
| 8130455 | Image pickup lens, image pickup unit, and mobile terminal An image pickup lens includes, in order from an object side thereof: a first lens in a meniscus shape having a positive refractive power and including a convex surface facing the object side; a second lens having a negative refractive power and including a concave s... | 03/06/2012 |
| 8102607 | Lens unit and image capturing device A lens unit including a first lens, an aperture stop, a second lens, a third lens, and a fourth lens arranged in order from an object side to an image side. The first lens is a meniscus lens having positive power. The second lens is a meniscus lens including a conve... | 01/24/2012 |
| 8089704 | Imaging lens assembly This invention provides an imaging lens assembly including, in order from an object side to an image side: a first lens with positive refractive power having a convex object-side surface; a second lens with negative refractive power having a convex image-side surfac... | 01/03/2012 |
| 8077399 | Four-piece imaging lens module A four-piece imaging lens module includes a fixed aperture diaphragm, a first lens, a second lens, a third lens and a fourth lens arranged from an object side to an image side in a sequence of: the diaphragm; the first lens of a positive refractive power, having a c... | 12/13/2011 |
| 8045278 | Short overall length imaging lens system with four lenses Along an optical axis from an object side to an image side, a short overall length imaging lens system with four lenses includes a first lens with positive power that is a meniscus spherical/aspherical lens with a convex surface on the object side; an aperture stop;... | 10/25/2011 |
| 8027099 | Optical system for camera The present invention provides an optical system for a camera including: a first lens which has a negative refractive power and has a meniscus shape convex toward object side; a second lens which has a negative refractive power and has a convex surface toward object... | 09/27/2011 |
| 8014080 | Optical photographing system This invention provides an optical photographing system comprising four lens elements with refractive power, in order from an object side to an image side: a first lens element; a second lens element with positive refractive power, and at least one of the object-sid... | 09/06/2011 |
| 8000032 | Internally focusing lens system An exemplary internally focusing lens system includes, in order from the object side to the image side, a first lens group with positive refractive power, a second lens group with negative refractive power, and a third lens group with positive refractive power. The ... | 08/16/2011 |
| 7961406 | Optical lens system for taking image An optical lens system for taking image comprises, in order from the object side to the image side: a first lens element with positive refractive power having a convex object-side surface; an aperture stop; a second lens element with negative refractive power; a thi... | 06/14/2011 |
| 7889441 | Lens system A lens system including sequentially, from an object side to an image side, a first lens of a biconvex type having two aspherical surfaces, a second lens of a biconcave type having at least one aspherical surface, a third lens having two aspherical surfaces and havi... | 02/15/2011 |
| 7848032 | Imaging lens assembly This invention provides an imaging lens assembly comprising, in order from an object side to an image side: a first lens element with negative refractive power having a convex object-side surface and a concave image-side surface; a second lens element with positive ... | 12/07/2010 |
| 7826149 | Optical lens system for taking image An optical lens system for taking image comprises, in order from the object side to the image side: a first lens element with positive refractive power having a convex object-side surface; an aperture stop; a second lens element with negative refractive power; a thi... | 11/02/2010 |
| 7755851 | Subminiature imaging optical system There is provided a subminiature imaging optical system installed in a mobile telecommunication terminal or a PDA, or used in a surveillance camera or a digital camera. The subminiature imaging optical system including: first, second, third and fourth lenses sequent... | 07/13/2010 |
| 7738186 | Optical lens system for taking image An optical lens system for taking image comprises, in order from the object side to the image side: a first lens element with positive refractive power having a convex object-side surface; a second lens element with negative refractive power having a concave image-s... | 06/15/2010 |
| 7688523 | Image pickup lens An image pickup lens is provided for forming an image of an object on a photoelectrical converter of a solid-state image pickup element. The image pickup lens includes, in order from an object side thereof: an aperture stop; a first lens having a positive refractive... | 03/30/2010 |
| 7643225 | Optical lens system for taking image An optical lens system for taking image comprises, in order from the object side to the image side: a first lens element with positive refractive power; a second lens element with negative refractive power; a third lens element with negative refractive power having ... | 01/05/2010 |
| 7558005 | Compact lens system A compact lens system that includes a first lens that is a meniscus lens with positive refractive power and having aspheric surfaces on both sides, and a convex surface on a surface facing an object; a second lens formed of a biconcave lens having aspheric surfaces ... | 07/07/2009 |
| 7466497 | Optical imaging system An optical imaging system is provided comprising a first lens group having a positive refractive power; a second lens group having a negative refractive power; a third lens group having a positive or negative power; and a fourth lens group having a positive or negat... | 12/16/2008 |
| 7443599 | Magnification varying optical system and image taking apparatus A magnification varying optical system that directs light from an object to an image sensor includes in order from the object side: a first lens unit having negative optical power and including an optical axis changing element that changes the optical axis; a second... | 10/28/2008 |
| 7433135 | Image pick-up lens system A image pick-up lens system includes: a first lens with positive diffractive power, a second lens with negative diffractive power, a third lens with positive diffractive power, and a fourth lens with negative diffractive power. The first lens, the second lens, the t... | 10/07/2008 |
| 7433132 | Zoom lens system and electronic image pickup apparatus using the same A four-unit zoom lens system includes in order from an object side, a first lens unit having a positive refracting power, a second lens unit having a negative refracting power, a third lens unit having a positive refracting power, and a fourth lens unit having a pos... | 10/07/2008 |
| 7428107 | Zoom lens and image pickup apparatus having the same A zoom lens includes first to fifth lens units arranged in sequence from an object side to an image side, and having positive, negative, positive, negative, and positive refractive powers in that order. The zoom lens performs zooming by moving the first to fifth len... | 09/23/2008 |
| 7423813 | Zoom lens system and image pickup apparatus including the same There is disclosed a zoom lens system comprising, in order from an object 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 ... | 09/09/2008 |
| 7417800 | Zoom lens system A zoom lens system includes a negative first lens group, a positive second lens group, a positive third lens group and positive fourth lens group, in this order from the object. The negative first lens group includes a reflection member, and the first lens gr... | 08/26/2008 |
| 7408723 | Imaging lens with high resolution and short overall length An exemplary imaging lens includes, in this order from the object side to the image side thereof, a first lens of positive refraction power, a second lens of negative refraction power, a third lens of positive refraction power, and a fourth lens of negative refracti... | 08/05/2008 |
| 7375903 | Imaging lens An imaging lens is provided and includes: in order from the object side, a first lens having a convex surface on the object side and having a positive power; an aperture diaphragm; a second lens having a concave surface on the object side and having a negative power... | 05/20/2008 |
| 7355801 | Image pickup lens assembly An image pickup lens assembly comprises three lens groups, from the object side to the image side: a first lens group, a second lens group, and a third lens group. The first lens group includes two lenses with refractive power, namely, a first lens with positive ref... | 04/08/2008 |
| 7345830 | Imaging lens An imaging lens is provided and includes, in order from an object side of the imaging lens: a first lens of a positive lens; a second lens of a negative lens; a third lens of a bi-aspheric lens that has an image-side surface having an extreme point at a position oth... | 03/18/2008 |
| 7336429 | Zoom lens system Providing a zoom lens system that satisfies making the focusing lens light and reducing a moving amount for focusing, simultaneously. The zoom lens system includes a first lens group having positive power, a second lens group having negative power and a third lens g... | 02/26/2008 |
| 7330316 | Zoom lens system Object is to provide an inner-focusing type zoom lens system carrying out focusing by moving a portion of a first lens group suitable for an auto-focus SLR camera. A zoom lens system includes, in order from an object, a first lens group having positive refractive po... | 02/12/2008 |
| 7322877 | Production method for optical lens The method for making an optical lens according to the present invention is characterized in comprising: a optical lens preform fabrication step of fabricating a optical lens preform which comprises a first curved portion which serves as an optically functioning par... | 01/29/2008 |
| 7321474 | Photographic lens A small size photographic lens for the photographic unit of a device such as a camera or a camera phone. The photographic lens includes: a first lens having positive refractive power; a second lens having negative refractive power and a convex surface facing the obj... | 01/22/2008 |
| 7317580 | Zoom lens In this invention, to provide a compact zoom lens having a small number of optical element groups to be driven and a simple moving mechanism, at least one of a plurality of optical element groups arranged in the lens system includes a refractive power variable eleme... | 01/08/2008 |
| 7304803 | Zoom lens unit, imaging device and photographing device A zoom lens unit includes: a positive first lens group; a negative second lens group; and a positive subsequent lens group as a whole, the subsequent lens group includes a third lens group, and an aperture stop is disposed between the second lens group and the third... | 12/04/2007 |
| 7301711 | Fast zoom lens system A fast zoom lens system includes a positive first lens group, a negative second lens group, a positive third lens group and a positive fourth lens group, in this order from the object. Upon zooming from the short focal length extremity to the long focal lengt... | 11/27/2007 |
