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Hirofumi Nakamura

Hirofumi Nakamura, Kanagawa JP

Patent application numberDescriptionPublished
20080273897Electrophotographic photoreceptor, process cartridge and image forming apparatus - An electrophotographic photoreceptor includes a conductive support; a photosensitive layer; and a surface protective layer as an outermost layer of the electrophotographic photoreceptor, wherein the electrophotographic photoreceptor satisfies following formulas (a) and (b):11-06-2008
20090238602ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - An electrophotographic photoreceptor including a conductive substrate and a photosensitive layer provided on a surface of the conductive substrate, an outermost layer of the photosensitive layer containing a crosslinked product formed from at least one charge transporting material having at least one substituent selected from the group consisting of —OH, —OCH09-24-2009
20100151366ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - According to an aspect of the invention, an electrophotographic photoreceptor including a conductive substrate and a photosensitive layer provided on a surface of the conductive substrate is provided. In the electrophotographic photoreceptor, an outermost layer of the photosensitive layer containing a crosslinked product formed from at least one charge transporting material having at least one substituent selected from the group consisting of —OH, —OCH06-17-2010
20100330472ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE - There is provided an electrophotographic photoreceptor including a conductive substrate; an intermediate layer; a photosensitive layer; and a surface layer, in this order, the surface layer including two or more charge transporting materials each including a reactive substituent and respectively having mutually different ionization potentials, in an amount of 90% by weight or more relative to the total solid content of the surface layer, and the content ratio X of each of the two or more charge transporting materials satisfying the following Formula (1). X(n) represents a content ratio (weight %) of a charge transporting material that has the n12-30-2010
20110031480LIGHT EMITTING DEVICE - A light emitting device includes: a first electrode, a conductor film, an organic layer having a light emitting layer made of an organic light emitting material provided therein, a semi-transmissive reflective film, a resistive layer, and a second electrode, all of which are laminated successively, wherein the conductor film transmits a part of light from the light emitting layer therethrough, the first electrode reflects the light having been transmitted through the conductor film, the second electrode transmits the light having been transmitted through the semi-transmissive reflective film therethrough, an average film thickness of the conductor film on the first electrode is from 1 nm to 6 nm, and an average film thickness of the semi-transmissive reflective film on the organic layer is from 1 nm to 6 nm.02-10-2011
20110121346LIGHT-EMITTING ELEMENT AND ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE - Provided is a light-emitting element in the structure and configuration of causing no possibility of a short circuit between first and second electrodes even if there is any foreign substance or a protrusion on the first electrode. Such a light-emitting element is configured to include, in order, a first electrode 05-26-2011
20110163339LIGHT-EMITTING ELEMENT AND METHOD FOR PRODUCTION THEREOF - A light-emitting element includes a first electrode, an organic layer with a light-emitting layer made of organic light-emitting material, a half-transmitting/reflecting film, a resistance layer, and a second electrode, which are sequentially laminated on top of the other. The first electrode reflects light from the light-emitting layer, the second electrode transmits light from the light-emitting layer. The half-transmitting/reflecting film includes a first half-transmitting/reflecting film and a second half-transmitting/reflecting film which are laminated in this order from a side of the organic layer. Also, the half-transmitting/reflecting film on the organic layer has an average thickness of 1 nm to 6 nm.07-07-2011
20110183242ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - An electrophotographic photoreceptor includes: a conductive substrate; a photosensitive layer including a charge-generating layer containing a charge-generating material and a charge-transporting layer containing a charge-transporting material, the charge-transporting layer having a hole mobility of about 5.0×1007-28-2011

Patent applications by Hirofumi Nakamura, Kanagawa JP

Hirofumi Nakamura, Amagasaki-Shi JP

Patent application numberDescriptionPublished
20100226813HIGH TENSILE STRENGTH STEEL AND MARINE STRUCTURE HAVING EXCELLENT WELD TOUGHNESS - In order to provide a high tensile strength steel having excellent low temperature toughness and which can withstand large heat input welding, a steel comprises, in mass percent, C: 0.01-0.10%, Si: at most 0.5%, Mn: 0.8-1.8%, P: at most 0.020%, S: at most 0.01%, Cu: 0.8-1.5%, Ni: 0.2-1.5%, Al: 0.001-0.05%, N: 0.0030-0.0080%, O: 0.0005-0.0035%, if necessary at least one of Ti: 0.005-0.03%, Nb: 0.003-0.03%, and Mo: 0.1-0.8%, and a remainder of Fe and impurities, and the N/Al ratio is 0.3-3.0.09-09-2010

Hirofumi Nakamura, Tokyo JP

Patent application numberDescriptionPublished
20090256260SEMICONDUCTOR DEVICE - A semiconductor device including a semiconductor element and a functional member fixed thereto with an adhesive film is provided, where the performance or reliability degradation due to moisture entered by way of the adhesive film itself or the interfaces between the adhesive film and members adjacent thereto can be suppressed with a simple structure. The semiconductor element has an active region for realizing a predetermined function, formed on a surface of the element. The functional member has a predetermined function and is fixed on a surface side of the semiconductor element with the adhesive film. A metal film covers a region including at least all outer side faces of the semiconductor element, all outer side faces of the adhesive film, an interface between the adhesive film and the semiconductor element, and an interface between the adhesive film and the functional member.10-15-2009

Patent applications by Hirofumi Nakamura, Tokyo JP

Hirofumi Nakamura, Kanagawa-Ken JP

Patent application numberDescriptionPublished
20090142304Composition for Improving Intestinal Flora - A composition provided by the present invention for improving intestinal microflora includes 1-kestose as an active ingredient. The present invention further provides a lactic acid bacteria proliferating agent including 1-kestose as an active ingredient, which proliferates 06-04-2009

Hirofumi Nakamura, Shinagawa-Ku JP

Patent application numberDescriptionPublished
20110188977FOUP OPENER AND OPERATING METHOD THEREOF - To ensure that an abnormality in a closed state of a FOUP door serving as a lid of a FOUP can be detected quickly and reliably, a FOUP opener includes a port door attached detachably to an opening window in a port plate for separating the interior and exterior of a semiconductor processing device, and a dock unit for positioning the FOUP in a FOUP door attachment/detachment position. A suction disc mechanism and a lock mechanism for fixing the FOUP door to a FOUP main body and releasing the FOUP door are disposed on the port door. A FOUP door detection sensor for determining whether or not the FOUP door fixed to the FOUP main body, which is positioned in the FOUP door attachment/detachment position on the dock unit, is attached correctly to an opening portion of the FOUP main body is disposed on the port plate.08-04-2011