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Kazuhiko Ishimaru, Osaka JP

Kazuhiko Ishimaru, Osaka JP

Patent application numberDescriptionPublished
20080287280OPTICAL GLASS COMPOSITION, PREFORM AND OPTICAL ELEMENT - An optical glass composition contains, in % by weight, 1.0% or more and 12.0% or less of SiO11-20-2008
20080297915ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA - A zoom lens system comprising a first lens unit having negative power, a second lens unit having positive power and a third lens unit having positive power, wherein: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a single third lens element, a cemented lens element of two lens elements having power of mutually different signs and a single sixth lens element; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0<αi12-04-2008
20080297916ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA - A zoom lens system comprising a first lens unit having negative power, a second lens unit having positive power and a third lens unit having positive power, wherein: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a cemented lens element fabricated by two lens elements having optical power of mutually different signs and one single lens element; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0<αi 12-04-2008
20080297917ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA - A zoom lens system comprising a first lens unit having negative power, a second lens unit having positive power and a third lens unit having positive power, wherein: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a first cemented lens element of two lens elements having power of mutually different signs and a second cemented lens element of two lens elements having power of mutually different signs; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0<αi12-04-2008
20090021959SURFACE EMITTING APPARATUS AND IMAGE DISPLAY APPARATUS USING THE SURFACE EMITTING APPARATUS - A surface emitting apparatus and image display apparatus using this surface emitting apparatus that enables improved luminance uniformity and smaller apparatus sizes. The surface emitting apparatus has a light source section that emits light, a light guide plate that guides light incident from an inlet face such that the light is emitted from a surface of an outlet face and a scanning section that scans the light emitted from the light source section on the inlet face of the light guide plate. The image display apparatus has the surface emitting apparatus and a display panel that is arranged on a side of the outlet face of the light guide plate.01-22-2009
20090103189Zoom lens system, imaging device and camera - An object of the present invention is to provide: a zoom lens system that has a high resolution, high capability of compensating curvature of field, a high zoom ratio of, for example, 3 or greater, a reduced weight, and a reduced overall optical length at the time of non-use; and an imaging device and a camera that employ this zoom lens system so as to have a reduced thickness and excellent portability as well as high performance. The zoom lens system forms an optical image of an object with variable magnification and, in order from the object side to the image side, comprises: a first lens unit having negative optical power; a second lens unit that has positive optical power and that contains a bi-convex lens element composed of a resin material and serving as the most image side lens element; and a third lens unit having positive optical power. Then, the lens units move respectively along the optical axis in such a manner that intervals between the individual lens units should vary so that the variable magnification is achieved. Further, the condition |(R04-23-2009
20090116123CAMERA - It is an object of the present invention to provide a camera realizing simultaneously a high magnification zoom lens system and the miniaturization of the device. The digital camera (05-07-2009
20090160956CAMERA SYSTEM, CAMERA BODY, INTERCHANGEABLE LENS, AND METHOD OF CONTROLLING CAMERA SYSTEM - There are provided a camera system which operates the proper image blur corrector when image blur correction devices are incorporated in a camera body and in an interchangeable lens, and a method for controlling this camera system. The camera system (06-25-2009
20090163345OPTICAL GLASS COMPOSITION, PREFORM AND OPTICAL ELEMENT - An optical glass composition contains, in % by mole, 14.0% or more and 31.0% or less of SiO06-25-2009
20090207279IMAGING DEVICE - Provided is an imaging device capable of accurately and rapidly selecting a main image from a plurality of continuously captured images and simplifying handling of image files recorded on a memory card. With one operation, it is possible to capture a plurality of continuous images at a predetermined time interval. A main image is selected from the captured images and the image data on the main image and the image data on sub images other than the main image are recorded as one image file on a recording medium (08-20-2009
20090303374DIGITAL CAMERA - A digital camera of the present invention includes a microcomputer 12-10-2009
20090310012DIGITAL CAMERA - A digital camera of the present invention includes a microcomputer 12-17-2009
20100007965ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA - A zoom lens system comprising a first lens unit having negative power, a second lens unit having positive power and a third lens unit having positive power, wherein: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a first cemented lens element of two lens elements having power of mutually different signs and a second cemented lens element of two lens elements having power of mutually different signs; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0<αi01-14-2010
20100007968ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA - A zoom lens system comprising a first lens unit having negative power, a second lens unit having positive power and a third lens unit having positive power, wherein: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a first cemented lens element of two lens elements having power of mutually different signs and a second cemented lens element of two lens elements having power of mutually different signs; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0<αi01-14-2010
20100097708ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA - An object of the present invention is to provide: a zoom lens system that has a high resolution, high capability of compensating curvature of field, a high zoom ratio of, for example, 3 or greater, a reduced weight, and a reduced overall optical length at the time of non-use; and an imaging device and a camera that employ this zoom lens system so as to have a reduced thickness and excellent portability as well as high performance. The zoom lens system forms an optical image of an object with variable magnification and, in order from the object side to the image side, comprises: a first lens unit having negative optical power; a second lens unit that has positive optical power and that contains a bi-convex lens element composed of a resin material and serving as the most image side lens element; and a third lens unit having positive optical power. Then, the lens units move respectively along the optical axis in such a manner that intervals between the individual lens units should vary so that the variable magnification is achieved. Further, the condition |(R04-22-2010
20100128362ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA - An object of the present invention is to provide: a zoom lens system that has a high resolution, high capability of compensating curvature of field, a high zoom ratio of, for example, 3 or greater, a reduced weight, and a reduced overall optical length at the time of non-use; and an imaging device and a camera that employ this zoom lens system so as to have a reduced thickness and excellent portability as well as high performance. The zoom lens system forms an optical image of an object with variable magnification and, in order from the object side to the image side, comprises: a first lens unit having negative optical power; a second lens unit that has positive optical power and that contains a bi-convex lens element composed of a resin material and serving as the most image side lens element; and a third lens unit having positive optical power. Then, the lens units move respectively along the optical axis in such a manner that intervals between the individual lens units should vary so that the variable magnification is achieved. Further, the condition |(R05-27-2010
20100226019ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA - A zoom lens system comprising a first lens unit having negative power, a second lens unit having positive power and a third lens unit having positive power, wherein: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a cemented lens element fabricated by two lens elements having optical power of mutually different signs and one single lens element; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0<αi09-09-2010
20100265379DIGITAL CAMERA - A digital camera of the present invention includes a microcomputer 10-21-2010
20100271530DIGITAL CAMERA - A digital camera of the present invention includes a microcomputer 10-28-2010
20100271531DIGITAL CAMERA - A digital camera of the present invention includes a microcomputer 10-28-2010
20100271532DIGITAL CAMERA - A digital camera of the present invention includes a microcomputer 10-28-2010
20100295955DIGITAL CAMERA - A digital camera of the present invention includes a receiving portion 11-25-2010
20100302411DIGITAL CAMERA - A digital camera of the present invention includes a microcomputer 12-02-2010

Patent applications by Kazuhiko Ishimaru, Osaka JP