Patents by Inventor Shunji Yamamoto
Shunji Yamamoto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11997870Abstract: The present disclosure is related to an organic EL element including a capping layer that contains a compound represented by formula (A-1). In the formula, A and X are monovalent groups represented by formula (B-1) having 1 binding site among R1 to R6. Z represents a monovalent group represented by formula (B-1) having 1 binding site among R1 to R6, an aromatic hydrocarbon group, an aromatic heterocyclic group or a fused polycyclic aromatic group. Ar is a single bond or a divalent group of an aromatic hydrocarbon group, an aromatic heterocyclic group, or a fused polycyclic aromatic group. R1 to R6 are each defined in the specification, and Q represents a nitrogen atom, an oxygen atom, or a sulfur atom.Type: GrantFiled: May 30, 2023Date of Patent: May 28, 2024Assignee: HODOGAYA CHEMICAL CO., LTD.Inventors: Kouki Kase, Takeshi Yamamoto, Kazuyuki Suruga, Shunji Mochizuki, Shuichi Hayashi
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Publication number: 20240160327Abstract: An RX electrode for a capacitive touch sensor including an electrode body, which includes first to fourth conductors, one of which includes a connecting portion. The first and second conductors are arrayed and located close to each other with a gap therebetween in a first direction, extend in a second direction. Application of external noise to the electrode body induces current flows in opposite directions through the first and second conductors, so that an electric field generated in the first conductor and an electric field generated in the second conductor offset each other. The third conductor, located on the one side in the second direction relative to the gap, connects first end portions of the first and second conductors. The fourth conductor, located on the other side in the second direction relative to the gap, connects second end portions of the first and second conductors.Type: ApplicationFiled: October 17, 2023Publication date: May 16, 2024Applicant: HOSIDEN CORPORATIONInventors: Shunji MURAOKA, Tomoya HIRANO, Kazuhiro YAMAMOTO
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Patent number: 11980092Abstract: It is an object of the present invention to provide an organic EL element including a capping layer constituted by two layers consisting of a first capping layer and a second capping layer that has a refractive index that is higher than that of the first capping layer, in order to improve the light extraction efficiency compared with an organic EL element including a capping layer constituted by a single layer. The present invention provides an organic electroluminescent element at least including an anode, a hole transport layer, a light emitting layer, an electron transport layer, a cathode, and a capping layer arranged in this order, wherein the capping layer has a structure constituted by two layers consisting of a first capping layer and a second capping layer, a refractive index of the second capping layer is higher than a refractive index of the first capping layer throughout a wavelength range from 450 to 650 nm, and the second capping layer contains an arylamine compound having a specific structure.Type: GrantFiled: February 28, 2020Date of Patent: May 7, 2024Assignees: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD.Inventors: Yuta Hirayama, Shunji Mochizuki, Takeshi Yamamoto, Shuichi Hayashi, Young-hwan Park
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Patent number: 11974499Abstract: The present invention relates to an organic EL device having at least an anodic electrode, a hole transport layer, a light emitting layer, an electron transport layer, a cathodic electrode, and a capping layer in this order, in which the capping layer contains an amine compound having a benzazole ring structure represented by the following general formula (A-1).Type: GrantFiled: January 10, 2019Date of Patent: April 30, 2024Assignee: HODOGAYA CHEMICAL CO., LTD.Inventors: Kouki Kase, Takeshi Yamamoto, Shunji Mochizuki, Shuichi Hayashi
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Patent number: 11925107Abstract: To provide an organic EL device having low driving voltage, high luminous efficiency, and particularly a long lifetime by combining various materials for an organic EL device having excellent hole and electron injection/transport performances, electron blocking ability, stability in a thin-film state, and durability as materials for an organic EL device having high luminous efficiency and high durability so as to allow the respective materials to effectively reveal their characteristics. In the organic EL device having at least an anode, a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, and a cathode, in this order, the hole injection layer includes an arylamine compound of the following general formula (1) and a radialene derivative of the following general formula (2).Type: GrantFiled: March 2, 2018Date of Patent: March 5, 2024Assignee: Hodogaya Chemical Co., Ltd.Inventors: Kazuyuki Suruga, Shuichi Hayashi, Takeshi Yamamoto, Kouki Kase, Shunji Mochizuki
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Patent number: 5625331Abstract: A superconducting deflection electromagnet apparatus for deflecting an electron beam includes a liquid helium reservoir 21 disposed outside of the magnetic shield 11 surrounding the cryostat 4 accommodating the upper and lower liquid helium containers 2 in which coil assemblies 1, 31, 32 are disposed. Preferably, the upper and lower liquid helium containers 2 are supported from the cryostat 4 by means of the thermally insulating support members 5, 6 and 8 whose positions are adjustable by means of the threaded projections 5a, 6a and 8a and the nuts 52, 53, 62, 63, 82, 83 engaging therewith. The nuts secure the respective thermally insulating support members to the cap-shaped fixing members 44, 47, 49 attached to the extensions 43, 45, 49 of the cryostat 4.Type: GrantFiled: October 19, 1993Date of Patent: April 29, 1997Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Tadatoshi Yamada, Takeo Kawaguchi, Tetuya Matuda, Toshie Takeuchi, Ituo Kodera, Shunji Yamamoto, Shirou Nakamura
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Patent number: 5296900Abstract: A developer supplying device includes: a substantially cylindrical developer container having on its peripheral surface a spiral groove, and being rotatable to transport a developer therein by the groove; a supplying element in a form of an opening provided at the peripheral surface of the container to supply the developer therethrough; and a regulating device provided in the container, regulating an amount of the developer supplied from the supplying element, and being so formed to reduce a sectional area between the regulating device and an inner surface of the container in the vicinity of the supplying element. The supplying device can have a container-supporting device having a guide device for guiding the developer supplied by the supplying element; and a supplying element-covering device provided at the peripheral surface of the container, and being opened to uncover the supplying element when the latter confronts the guide device for supplying the developer.Type: GrantFiled: October 11, 1991Date of Patent: March 22, 1994Assignee: Minolta Camera Kabushiki KaishaInventors: Hiromitsu Saijo, Shunji Yamamoto, Akio Kimura
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Patent number: 5268353Abstract: An oxide superconductor having good current-carrying characteristics can be manufactured by a method including the steps of mixing and baking a plurality of different kinds of ingredient material at a predetermined proportion and obtaining a mixed powder having oxide superconducting powder as a main ingredient, and the step of placing a magnet close to the mixed powder to separate the oxide superconducting powder through the utilization of the magnetic repulsive force due to the Meissner effect of the superconductor. In preferred embodiments, the separating step is carried out in a buoyancy medium and a filter is employed for unifying the particle size of the oxide superconductive powder within a predetermined range.Type: GrantFiled: February 7, 1989Date of Patent: December 7, 1993Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Akinori Ohara, Shunji Yamamoto, Tadatoshi Yamada
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Patent number: 5227843Abstract: A detachable imaging unit is provided in an image forming device. The detachable unit includes an image bearing member, one of a pair of registration rollers and a developing device. A relative position between the image bearing member and the one of the pair of registration rollers is provided so as to permit precise transport of a recording sheet against the image bearing member.Type: GrantFiled: July 6, 1990Date of Patent: July 13, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Shunji Yamamoto, Hiromitsu Saijo, Yukio Tokura, Hideji Hayashi
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Patent number: 5117212Abstract: An electromagnet for a charged-particle apparatus. The electromagnet of the first form of this invention may consist of a deflecting electromagnet comprising an iron core equipped with clamping plates having cavities through which a vacuum chamber runs. Provided in these cavities are small-sized coils using the iron core as the magnetic path and adapted to adjust the orbit for charged particles. The electromagnet of the second form of this invention consists of a deflecting electromagnet equipped with a banana-shaped principal coil whose radius of curvature is larger in its end sections than in its middle section, thereby leveling the magnetic-field distribution on the equilibrium orbit. In the electromagnet of the third form of this invention, the thickness of the iron core, surrounding the principal coil, is different at different positions along the equilibrium orbit for charged particles, thereby making it possible to obtain some desired magnetic-field distribution.Type: GrantFiled: January 11, 1990Date of Patent: May 26, 1992Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Shunji Yamamoto, Tadatoshi Yamada
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Patent number: 5117194Abstract: A device for accelerating and storing charged particles of the present invention comprises a vacuum duct which has two opposite linear portions and two opposite curved portions respectively connected to the linear portions and which functions to maintain the orbit of revolution of the charged particles in a vacuum; an accelerating device for accelerating charged particles which is disposed on the orbit of the charged particles; a pair of bending magnets which are respectively disposed on the curved portions of the vacuum duct; and a pair of quadrupole electromagnets which are respectively disposed on the linear portions of the vacuum duct and at least one of which is disposed at a position at a given distance from the center of the corresponding linear portion.Type: GrantFiled: August 25, 1989Date of Patent: May 26, 1992Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Tetsuya Nakanishi, Tadatoshi Yamada, Shunji Yamamoto, Tetsuya Matsuda, Toshie Ushijima
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Patent number: 5111173Abstract: Semicircular superconducting deflection magnets for deflecting electron beams along a semiconductor orbit. The magnet 1 comprises a pair of race-track shaped main coils 2 and 3 disposed symmetrically with respect to the plane of the orbit S. Each one of the main coils 2 and 3 is divided into two parts 21 and 22 or 31 and 32, the end portions 21a and 22a or 31a and 32a being displaced from each other in the direction of the orbit S, so that the magnetomotive force thereof is distributed evenly along the orbit S (FIGS. 12 through 14). According to another aspect, rectangular cancellation coils 25, 26, 35, and 36 are provided at the end portions 21a, 22a, 31a, and 32a, respectively, of the coil parts 21, 22, 31, and 32, such that the magnetomotive force of each one of the end portions is cancelled by the magnetomotive force of the adjacent parallel running side of a cancellation coil (FIGS. 21 through 23).Type: GrantFiled: September 7, 1990Date of Patent: May 5, 1992Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Tetsuya Matsuda, Shunji Yamamoto, Tadatoshi Yamada, Toshie Ushijima
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Patent number: 5057872Abstract: A developer supplying device includes: a substantially cylindrical developer container having on its peripheral surface a spiral groove, and being rotatable to transport a developer therein by the groove; a supplying element in a form of an opening provided at the peripheral surface of the container to supply the developer therethrough; and a regulating device provided in the container, regulating an amount of the developer supplied from the supplying element, and being so formed to reduce a sectional area between the regulating device and an inner surface of the container in the vicinity of the supplying element. The supplying device can have a container-supporting device having a guide device for guiding the developer supplied by the supplying element; and a supplying element-covering device provided at the peripheral surface of the container, and being opened to uncover the supplying element when the latter confronts the guide device for supplying the developer.Type: GrantFiled: May 30, 1990Date of Patent: October 15, 1991Assignee: Minolta Camera Kabushiki KaishaInventors: Hiromitsu Saijo, Shunji Yamamoto, Akio Kimura
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Patent number: 4816962Abstract: A uniform magnetic field coil assembly having a plurality of pairs of coil elements each included in circuit comprising the parallel connection of a permanent current switch and its protecting means and an individual exciting power source, wherein the plurality of pairs of coil elements are symmetrically disposed against a plane perpendicular to the central axis of the uniform magnetic field coil assembly in the longitudinal direction and the plurality of pairs of coil elements are connected in series, thereby regulating the current flowing to each of the plurality of pairs of coil assembly elements for forming the uniform magnetic field coil as predetermined.Type: GrantFiled: November 20, 1987Date of Patent: March 28, 1989Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Tadatoshi Yamada, Masao Morita, Shunji Yamamoto, Tetsuya Matsuda, Masatami Iwamoto
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Patent number: 4806871Abstract: A synchrotron comprises a tubular vacuum chamber forming a closed orbit, charged particles moving around therein; less than four bipolar magnets installed along said vacuum chamber and used to deflect said charged particles; and means for easing the converging action to said charged particles in the horizontal direction due to said bipolar magnets.Type: GrantFiled: May 27, 1987Date of Patent: February 21, 1989Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Kazunori Ikegami, Souitirou Okuda, Tadatoshi Yamada, Shunji Yamamoto, Tetsuya Matsuda
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Patent number: 4751470Abstract: A charged particle accelerating apparatus has a vacuum chamber for transporting, accelerating, deflecting or storing charged particles. A layer of a low gas-generating material is placed in the vacuum chamber at a position where radiation generated by deflection of the charged particles are irradiated, the low gas-generating material having properties of generating an amount of gas less than a material constituting the vacuum chamber.Type: GrantFiled: February 11, 1987Date of Patent: June 14, 1988Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Kazunori Ikegami, Shiro Nakamura, Tadatoshi Yamada, Shunji Yamamoto, Tetsuya Matsuda, Tokio Fukunaga
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Patent number: 4178092Abstract: An electrophotographic copying apparatus which includes a rotatable photoreceptor member having a photoconductive surface for repeated formation of an electrostatic latent image of an original thereon. A casing is disposed around the photoreceptor member and included a corona charger for uniformly charging the surface. An exposure device is provided for exposing the charged surface to image light of the original through an optical assembly including an illuminating light source so as to form the electrostatic latent image of the original thereon. A system is provided for eliminating harmful gases generated by the corona charger disposed within the copying apparatus.Type: GrantFiled: July 11, 1977Date of Patent: December 11, 1979Assignee: Minolta Camera Kabushiki KaishaInventors: Shunji Yamamoto, Koji Imaizumi, Takashi Hikosaka
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Patent number: 4166692Abstract: Protection and safety device by which damage due to undesired exposure of photosensitive medium in a photocopying machine when the photocopying machine is switched off is prevented. A light blocking member is moved into the optical path for exposing the photosensitive medium when the light source and power source, respectively, for the copying machine are turned off and a cover portion for the machine is unlatched to prevent an undesired exposure of the medium and moved out of the optical path when the cover portion is latched and the light source and power source, respectively, are turned on to permit an exposure to take place.Type: GrantFiled: September 8, 1977Date of Patent: September 4, 1979Assignee: Minolta Camera Kabushiki KaishaInventors: Osamu Okada, Shunji Yamamoto
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Patent number: 4126101Abstract: An electrophotographic copying apparatus including a wet developing unit of the one-side face developing type which is equipped with a developing unit having an improved excessive developing solution removing device associated with a transfer paper drying device. The excessive developing solution removing device includes a pair of spaced excessive developing solution removing members contacting the latent image bearing surface of the transfer paper fed from the developing unit, and a rotary member rotatably disposed in the vicinity of the removing members and out of contact with the latter for efficient removal of the excessive developing solution from the transfer paper without soiling the paper.Type: GrantFiled: July 6, 1977Date of Patent: November 21, 1978Assignee: Minolta Camera Kabushiki KaishaInventor: Shunji Yamamoto
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Patent number: RE30897Abstract: An electrophotographic copying apparatus which includes a rotatable photoreceptor member having a photoconductive surface for repeated formation of an electrostatic latent image of an original thereon. A casing is disposed around the photoreceptor member and included a corona charger for uniformly charging the surface. An exposure device is provided for exposing the charged surface to image light of the original through an optical assembly including an illuminating light source so as to form the electrostatic latent image of the original thereon. A system is provided for eliminating harmful gases generated by the corona charger disposed within the copying apparatus.Type: GrantFiled: June 24, 1980Date of Patent: April 6, 1982Assignee: Minolta Camera Kabushiki KaishaInventors: Shunji Yamamoto, Koji Imaizumi, Takashi Hikosaka