Masanori Nakamura 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: Provided is a contact lens including: a lens unit configured to be worn on an eyeball; an image pickup unit configured to capture an image of a subject, the image pickup unit being provided in the lens unit; and an image pickup control unit configured to control the image pickup unit.
Abstract: Particularly provided is a method and a system for screening nanoparticles which allow effective search of conditions for surface modification of nanoparticles and reduction in the time, the labor, and the amount of a sample required for the surface modification compared with conventional techniques. The method for screening nanoparticles includes the steps of: dividing a nanoparticle suspension for a respective plurality of containers provided in a containment receptacle; performing surface modification on nanoparticles under different conditions for the respective containers; preparing evaluation samples by adding a dispersion medium into each container and mixing the nanoparticles and the dispersion medium; and performing evaluation on the evaluation sample in each container by optical analysis.
August 19, 2016
Date of Patent:
March 16, 2021
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, NS MATERIALS INC.
Abstract: A state monitoring method for thermosetting resin includes, in a curing treatment of thermosetting resin, detecting a moisture content of the thermosetting resin during the curing treatment; and determining a cross-linking state of the thermosetting resin during the curing treatment based on the detected moisture content. It is possible to determine the cross-linking state of the thermosetting resin by detecting the moisture content of the thermosetting resin during the curing treatment.
Abstract: An alternating stack of insulating layers and sacrificial material layers is formed over a substrate. Memory stack structures are formed through the alternating stack. Each of the memory stack structures includes respective charge storage elements and a respective vertical semiconductor channel contacting an inner sidewall of the respective charge storage elements. The sacrificial material layers are replaced with electrically conductive layers. A polycrystalline aluminum oxide blocking dielectric layer is provided between each charge storage element and a neighboring one of the electrically conductive layers. The polycrystalline aluminum oxide blocking dielectric layer is formed by: depositing an amorphous aluminum oxide layer, converting the amorphous aluminum oxide layer into an in-process polycrystalline aluminum oxide blocking dielectric layer, and by thinning the in-process polycrystalline aluminum oxide blocking dielectric layer.
Abstract: A spectrometry device includes a controller that: causes first irradiated light and second irradiated light to be irradiated from a first light emitter and a second light emitter at mutually different timings; stores information relating to a first light reception signal and information relating to a second light reception signal in a storage at mutually different timings, in synchronization with irradiation timings of the first irradiation light and the second irradiation light; acquires information relating to a first optical spectrum based on the information relating to the first light reception signal stored in the storage during a first time period; and acquires information relating to a second optical spectrum based on the information relating to the second reception signal stored in the storage during a second time period.
Abstract: An optical receiver that demodulates an optical modulation signal into a baseband signal, which is an electrical signal, and decodes a received symbol acquired by converting the baseband signal. The optical receiver includes: an analog-to-digital converter that converts the baseband signal into a digital signal of which the number of samples per received symbol is M/N (samples/symbol), M and N being positive integers, M/N being not an integer, and “M>N” being satisfied; and an adaptive equalization processing unit that executes an equalization operation set in advance to output the received symbol on the basis of the digital signal of which the number of samples per received symbol is M/N (samples/symbol) and a predetermined tap coefficient digital signal equalization tap coefficients used for equalization of a signal, the coefficient being updated in any sampling period.
October 25, 2017
Date of Patent:
November 3, 2020
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Abstract: In a case where starting feeding of a subsequent sheet by a feed roller after reaching of the trailing edge of a preceding sheet is detected by a post-registration sensor, a control unit of a sheet feeder controls the feed roller to rotate at a first feeding speed, and in a case where the leading edge of the subsequent sheet has passed through a nip position between the feed roller and a separation roller, the control unit controls the feed roller to rotate at a second feeding speed.
Abstract: A second resin-impregnated fiber sheet (12) contains fibers extending in a first direction. A third resin-impregnated fiber sheet (13) contains fibers extending in a second direction that is different from the first direction. A first main surface (1a) is provided with a plurality of first linear protruding portions (1a1) extending in the first direction. A second main surface (1b) is provided with a plurality of second linear protruding portions (1b1) extending in the second direction.
Abstract: A state detection apparatus includes a state detection sensor that is attached to an architecture and that detects a state of the architecture, a power supp that generates power on the basis of vibration of the architecture, and a controller that controls the state detection sensor and the power supp. The controller supplies power to the state detection sensor to drive the state detection sensor in a case where a voltage by power generation exceeds a first threshold (threshold voltage), and acquires state information to be used for diagnosing the state of the architecture on the basis of a signal indicating a detection result received from the state detection sensor.
Abstract: An endoscope system includes an endoscope having a position/angle sensor and an amplifying circuit, a memory configured to store output error sensitivity data and a first wiring resistance value, and a processor including a signal processing circuit configured to process an output signal from the amplifying circuit. The signal processing circuit corrects an error of the output signal based on a value obtained by multiplying a difference between the first wiring resistance value and a processor wiring resistance value by the output error sensitivity data.
Abstract: A positive electrode active material for a lithium ion battery includes a coating layer comprising amorphous carbon on a surface of a positive electrode active material, wherein the amorphous carbon is derived from carbon contained in an oxazine resin, a ratio of a peak intensity of a G band to a peak intensity of a D band is 1.0 or greater when the amorphous carbon is measured by Raman spectroscopy, an average film thickness of the coating layer is 100 nm or less, and a coefficient of variation (CV value) of a film thickness of the coating layer is 10% or less.
Abstract: An optical receiver includes: a first calculation unit that obtains a log likelihood ratio for each M-dimension (M is a natural number), based on a received signal; and a second calculation unit that obtains a log likelihood ratio of an N dimensional symbol (N is a natural number), based on the log likelihood ratio for each M-dimension.
June 20, 2017
Date of Patent:
August 11, 2020
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Abstract: The present invention relates to a carbon fiber composite material containing carbon fibers coated with amorphous carbon, and a matrix resin. According to the present invention, a high-strength carbon fiber composite material can be provided.
Abstract: [Problem] To provide a reinforcing fiber bundle that can maintain a good opening state of reinforcing fibers and that can produce a fiber-reinforced composite having excellent mechanical strength; a reinforcing fiber woven fabric using the same; a carbon fiber reinforcing composite using the same; and methods for producing the same. [Solution] A reinforcing fiber bundle comprising a plurality of reinforcing fibers is produced, the reinforcing fiber bundle having a cross-linking portion comprising a carbon allotrope between the reinforcing fibers.
Abstract: Provided is a control system (1) for a hybrid vehicle (8) which is configured to directly transmit an output of an internal combustion engine (2) to a driven wheel (17) via a lockup clutch (18) and transmit an output of an electric motor is to the driven wheel by disengaging the lockup clutch depending on an operating state of the vehicle. The control system is configured to activate a warning unit (36, 37) when the oil pressure is below a prescribed oil pressure threshold value and the rotational speed of the engine detected by the rotary encoder is higher than a rotational speed threshold value. The rotational speed threshold value is a first threshold value when the lockup clutch is fully disengaged, and a second threshold value higher than the first threshold value when the lockup clutch is fully engaged, being engaged and being disengaged.
Abstract: A tube plate of a heat exchanger includes a tube plate base material to which ends of a plurality of heat transfer tubes are fixed, a first backplate that covers a surface of the tube plate base material on a first tube chamber side, and a fastener that includes at least a shaft section and fixes the first backplate to the tube plate base material. The first backplate includes heat transfer tube insertion holes through which a plurality of heat transfer tubes are inserted, and an insertion hole through which the shaft section is loosely inserted. The first backplate is joined to an end section of a second partition wall on a first end side. The second partition wall, the first backplate, and the fastener are formed of a material having higher corrosion resistance than the tube plate base material.
Abstract: An optical transmitter includes a first narrowband signal processing unit, a wideband signal generation unit, and an optical modulator. The first narrowband signal generation unit is configured to input a first signal and a second signal and output first, second, third and fourth narrowband signals. The wideband signal generation unit is configured to multiply the first and second narrowband signals by sinusoidal signals having a phase difference of (?/2), respectively, to shift bands of the first and second narrowband signals, and combine the shifted first and second narrowband signal to generate a first wideband signal. The wideband signal generation unit is configured to multiply the third and fourth narrowband signal by sinusoidal signals having a phase difference of (?/2), respectively, to shift bands of the third and fourth narrowband signals, and combine the shifted third and fourth narrowband signals to generate a second wideband signal.
August 6, 2018
May 21, 2020
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Abstract: A carbon-coated vanadium dioxide particle includes a vanadium dioxide particle; and a coating layer containing amorphous carbon on a surface of the vanadium dioxide particle, the amorphous carbon being derived from carbon contained in an oxazine resin, and having a peak intensity ratio of a G band to a band of 1.5 or greater as determined from a Raman spectrum. The coating layer has an average thickness of 50 nm or less. The coating layer has a coefficient of variation (CV value) of thickness of 7% or less.
Abstract: The present invention provides a glass composition not requiring a large quantity of rare earth material, producible by a common apparatus for producing a glass, having a high Young's modulus and a large crack initiation load, and suitable for glass fibers etc. A glass composition according to the present invention contains, in mol %: 50 to 65% SiO2; 7.5 to 26% Al2O3; 15 to 30% MgO; 0 to 8% CaO; 0 to 3% B2O3; 0 to 3% Li2O; and 0 to 0.2% Na2O. In this glass composition, a total content of MgO and CaO is in a range of 18 to 35 mol %, and a mol ratio calculated by Al2O3/(MgO+CaO) is less than 1.
Abstract: A sliding device includes a fixed rail, a movable rail, a shutter to close an opening of the fixed rail, an engaging body including a pressed portion, an engaged portion, a resilient element, and a pressing portion provided to the movable rail or the shutter. The shutter is slidable relative to the fixed rail by receiving a force from the movable rail. The engaging body is provided to one of the shutter and the fixed rail, and the engaged portion is provided to the other. The engaging body is displaceable between an engaged position where it is engageable with the engaged portion and a disengaged position displaced from the engaged position. The resilient element produces a resilient force maintaining the engaging body in the engaged position. The pressing portion contacts with the pressed portion when the movable rail slides, thus displacing the engaging body to the disengaged position.
October 29, 2019
May 7, 2020
TOYOTA BOSHOKU KABUSHIKI KAISHA, TOYOTA JIDOSHA KABUSHIKI KAISHA