Akio Ito 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).
Abstract: A carbon nanotube sheet structure includes: a carbon nanotube sheet; a first base material including a first base material surface facing the carbon nanotube sheet; and a first spacer providing a gap between the carbon nanotube sheet and the first base material. A first base material surface of the first base material includes a first region on which the first spacer is provided and a second region on which the first spacer is not provided. The first base material is spaced apart from the carbon nanotube sheet at the second region on the first base material surface.
April 25, 2017
Date of Patent:
October 25, 2022
LINTEC CORPORATION, LINTEC OF AMERICA, INC.
Abstract: Provided are a photosensitive composition including a coloring material A including a pigment, a pigment derivative B, and a dispersant C, in which the pigment derivative B includes a pigment derivative B1 in which a maximum value of a molar absorption coefficient in a wavelength range of 400 to 700 nm is 3000 L·mol?1·cm?1 or less, the dispersant C includes a dispersant C1 having an ethylenically unsaturated bond-containing group, and a total content of the coloring material A and the pigment derivative B in a total solid content of the photosensitive composition is 50% by mass or more; a film formed of the photosensitive composition; an optical filter, a solid-state imaging element; and an image display device.
June 22, 2022
October 20, 2022
Kazuya OOTA, Yasuhiro SAWAMURA, Akio MIZUNO, Junichi ITO
Abstract: There is provided a consumable supply method for supplying a refill consumable stored in a refill consumable container to a consumable container installable in an equipment body. The consumable supply method includes removing a refill information storage device storing information on the refill consumable from the refill consumable container; removing an information storage device storing information on a consumable contained in the consumable container, the information being for exchange with the equipment body, from the consumable container; and attaching the refill information storage device removed from the refill consumable container as an information storage device to the consumable container in place of the information storage device removed from the consumable container.
Abstract: A game operating device (controller) includes a longitudinal housing, and a holding portion held by hand to be wrapped by its palm it is formed in the housing. A direction switch is provided on an upper surface at a position where it can be operated by thumb of the hand holding the holding portion, and a start switch and a select switch are provided backward thereof. An X button 46 and a Y button are further arranged in line on the upper surface of the housing. An imaging information arithmetic unit is provided at a front end of the housing in a longitudinal direction in such a manner that an imaging device thereof is exposed from a front-end surface. A concave portion is formed on a lower surface at a position corresponding to the direction switch. The concave portion includes a valley and two inclined surfaces. An A button capable of being operated by index finger of the hand holding the holding portion is provided on the backward inclined surface.
June 14, 2022
September 29, 2022
Akio IKEDA, Ryoji KURODA, Masahiro URATA, Kuniaki ITO
Abstract: A quantum cascade laser includes a semiconductor substrate, an optical waveguide formed on a first surface of the semiconductor substrate, and a temperature adjusting member. The optical waveguide includes a first region and a second region located on one side with respect to the first region in the optical waveguide direction of the optical waveguide. The first region generates a first light having a first wavelength, and the second region generates a second light having a second wavelength. The optical waveguide generates an output light having a frequency corresponding to a difference between the first wavelength and the second wavelength by difference-frequency generation. A recess for suppressing heat transfer between the first region and the second region is formed at a second surface of the semiconductor substrate. The temperature adjusting member includes a first temperature adjusting member for adjusting the temperature of the second region.
Abstract: A method for manufacturing a carbon fiber sheet includes a mixing section that mixes a plurality of carbon fibers with a binding material that binds the carbon fibers, a depositing section that deposits a mixture of the carbon fibers and the binding material, and a forming section that forms a fiber sheet by heating a deposit deposited by the depositing section. The forming section includes a heating portion.
March 10, 2022
September 15, 2022
Satomi YOSHIOKA, Naotaka HIGUCHI, Shunichi SEKI, Akio ITO
Abstract: A circuit device is used in an electronic device including a receiver, a control circuit that performs processing on reception data received by the receiver using a clock signal, a transmitter that transmits transmission data generated by performing processing based on the reception data by the control circuit. The circuit device includes a time-to-digital conversion circuit that measures a time difference between a transition timing of a start signal based on the reception data and a transition timing of a stop signal based on the transmission data or the clock signal, and an output interface that outputs, to the control circuit, a measurement result of the time difference of the time-to-digital conversion circuit.
Abstract: A laser module including a quantum cascade laser that includes a substrate having a main surface, a first clad layer provided on the main surface, an active layer provided on the first clad layer, and a second clad layer provided on the active layer, and a lens that has a lens plane disposed at a position facing the end surface of the active layer. An end surface of the active layer constitutes a resonator that causes light of a first frequency and light of a second frequency to oscillate, and the active layer is configured to generate a terahertz wave of a differential frequency between the first frequency and the second frequency. The substrate is in direct contact or indirect contact with the lens plane, and the end surface of the active layer is inclined with respect to a portion facing the end surface in the lens plane.
Abstract: A method for manufacturing an injection molding material includes: an imparting step of imparting a water-soluble high molecular weight material to a cellulose raw material; a defibrating step of defibrating the cellulose raw material to which the water-soluble high molecular weight material is imparted to form a defibrated material; and a mixing step of mixing the defibrated material with a starch in a gas atmosphere.
Abstract: A fiber structural body includes cellulose fibers and a binding material which binds the cellulose fibers, the cellulose fibers are contained at a content of 50.0 to 70.0 percent by mass with respect to the fiber structural body, and the binding material is a natural component.
September 21, 2021
March 24, 2022
Tetsuji FUJITA, Jun TAKIZAWA, Makoto OMURA, Akio ITO
Abstract: The light-emitting element of an embodiment outputs a clear optical image while suppressing light output efficiency reduction, and includes a substrate, a light-emitting unit, and a bonding layer. The light-emitting unit has a semiconductor stack, including a phase modulation layer, between first and second electrodes. The phase modulation layer has a base layer and modified refractive index regions, and includes a first region having a size including the second electrode, and a second region. Each gravity center of the second region's modified refractive index region is arranged by an array condition. The light from the stack is a single beam, and regarding a first distance from the substrate to the stack's front surface and a second distance from the substrate to the stack's back surface, a variation amount of the first distance along a direction on the substrate is smaller than a variation amount of the second distance.
Abstract: A sheet-like filter includes a first fiber that is mainly composed of polylactic acid, and a second fiber that is mainly composed of polylactic acid and has a core portion and a cover layer covering the core portion, in which the cover layer functions as a binder for fusing the first fiber and the second fiber. In addition, when a melting point of the core portion is denoted by Tm1 and a melting point of the cover layer is denoted by Tm2, it may be Tm2<Tm1.
Abstract: An optical semiconductor element includes a semiconductor substrate, a first laminated structure provided on a front surface of the semiconductor substrate, and a second laminated structure provided on the front surface of the semiconductor substrate, the first laminated structure includes a first quantum cascade region, the second laminated structure includes a dummy region having the same layer structure as the first quantum cascade region, a second quantum cascade region provided on the front surface of the semiconductor substrate via the dummy region, and one of the first quantum cascade region and the second quantum cascade region is a quantum cascade laser, and the other of the first quantum cascade region and the second quantum cascade region is a quantum cascade detector.
Abstract: An ink absorber includes: an ink absorbing member that is capable of absorbing ink; an accommodation section that accommodates the ink absorbing member; and a detachment structure section that detaches the ink absorbing member from the accommodation section. In the ink absorber, it is preferable that the accommodation section have a bottom section and side wall sections standing up from the bottom section, that inclined surfaces inclined relative to the bottom section be formed inside the side wall sections, and that the detachment structure section be configured with the inclined surfaces.