Nissan Patent Grants

Semiconductor device

Granted: April 30, 2024
Patent Number: 11973135
A semiconductor device includes a main groove formed in a main surface of a substrate, a semiconductor region formed in contact with a surface of the main groove, an electron supply region formed in contact with a surface of the semiconductor region on opposite sides of at least side surfaces of the main groove to generate a two-dimensional electron gas layer in the semiconductor region, and a first electrode and a second electrode formed in contact with the two-dimensional electron gas…

Semiconductor device and manufacturing method thereof

Granted: April 30, 2024
Patent Number: 11973108
A semiconductor device includes: a drift region that is arranged on a main surface of a substrate, and has a higher impurity concentration than the substrate; a first well region that is connected to the drift region; and a second well region that is arranged adjacent to the first well region and faces the drift region. The second well region has a higher impurity concentration than the first well region. A distance between the source region that faces the drift region via the first well…

Gel dosimeter for measuring radiation dose

Granted: April 30, 2024
Patent Number: 11971510
A gel dosimeter for radiation dosimetry includes a radically polymerizable monomer, a gelator, glucose, and glucose oxidase. Although a conventional polymer gel dosimeter contains a deoxygenating agent such as tetrakis(hydroxymethyl)phosphonium chloride, such a deoxygenating agent fails to exhibit sufficient effects. Thus, a more effective deoxygenation treatment technique has been required for a gel dosimeter.

Leak diagnosis method and leak diagnosis device for blowby gas treatment device of internal combustion engine

Granted: April 30, 2024
Patent Number: 11971327
A blowby gas treatment device includes a pressure control valve, a fresh air induction pipe, a first blowby gas pipe, a second blowby gas pipe, a shutoff valve, a one-way valve, and a PCV valve. A leak diagnosis includes a first-stage diagnosis to determine whether or not falling of a pressure in a crank case after closing of the shutoff valve under a non-supercharging condition is normal. A second-stage diagnosis is implemented by using an air fuel ratio feedback control, and…

Front bumper for an automobile

Granted: April 30, 2024
Patent Number: D1024862

Borehole cement slurry additive, method for storing same, borehole cement slurry, and borehole cementing method

Granted: April 23, 2024
Patent Number: 11965130
A borehole cement slurry additive that is capable of suppressing the generation of free water from cement slurries in any environment, whether cold regions, mild regions, or hot regions; and a method for storing the same. The borehole cement slurry additive contains: an aqueous dispersion of silica having an average particle size of 3-200 nm as determined via dynamic light scattering; and a compound having an alcoholic hydroxyl group as a dispersion stabilizer, the compound being…

Semiconductor device production method employing silicon-containing resist underlayer film-forming composition including organic group having ammonium group

Granted: April 23, 2024
Patent Number: 11966164
A method produces a semiconductor device, the method having a step of transferring an underlayer by employing a resist underlayer film-forming composition containing a hydrolysis condensate prepared through hydrolysis and condensation of a hydrolyzable silane in a non-alcoholic solvent in the presence of a strong acid, followed by a step (G) of removing the patterned resist film, the patterned resist underlayer film, and/or particles with a sulfuric acid-hydrogen peroxide mixture (SPM)…

Liquid crystal light control element

Granted: April 23, 2024
Patent Number: 11966120
A liquid crystal light control element that controls a light absorption state by voltage application, the liquid crystal light control element including: a liquid crystal layer containing a liquid crystal composition between a pair of substrates each having an electrode; and a liquid crystal alignment film that is provided on at least one of the substrates and aligns a liquid crystal vertically, wherein the liquid crystal composition contains a liquid crystal and a dichroic dye, the…

Damping pressure supply circuit for pulley pressure control valve

Granted: April 23, 2024
Patent Number: 11965593
A hydraulic control circuit includes a pressure regulator valve, a first pilot valve, a second pilot valve, and a third pilot valve. A first pilot pressure is introduced as a source pressure into the primary solenoid valve that generates a primary signal pressure and a secondary solenoid valve that generates a secondary signal pressure. A second pilot pressure is introduced as a source pressure into a lock-up solenoid valve that generates the lock-up signal pressure. A third pilot…

Sprayed coating and sprayed-coating manufacturing method

Granted: April 23, 2024
Patent Number: 11965252
The present invention provides a thermally sprayed coating that is a thermally sprayed iron-based coating formed on an inner circumferential surface of a cylinder bore of an aluminum or aluminum alloy cylinder block. The thermally sprayed coating has a plastic deformation part on its surface. Thus, pores on the surface of the thermally sprayed coating are reduced, resulting in a reduction in the amount of oil consumption.

Chemical-resistant protective film forming composition containing hydroxyaryl-terminated polymer

Granted: April 23, 2024
Patent Number: 11965059
A protective film-forming composition including good mask (protection) function against a wet etching liquid and a high dry etching rate during processing of semiconductor substrates, including good coverage even in stepped substrates, and from which flat films can be formed due to a small difference in film thickness after embedding; a protective film produced using said composition; a substrate with a resist pattern; and a method for manufacturing a semiconductor device. A protective…

Vehicle travel control method and travel control device

Granted: April 23, 2024
Patent Number: 11964668
A travel control method for a vehicle for executing autonomous travel control includes, prior to executing the autonomous travel control, presenting a driver with travel control information as to whether or not to accept execution of the autonomous travel control and detecting, in response to a presentation of the travel control information, an acceptance input made by the driver indicating that the driver accepts the execution of the autonomous travel control. The travel control method…

Reinforcements and support brackets for vehicle doors

Granted: April 23, 2024
Patent Number: 11964548
A vehicle is disclosed that includes: a vehicle body defining a door frame; a vehicle door that is movably connected to the vehicle body; and an actuation system. The vehicle door includes: an inner panel that is secured to the door frame; an outer panel that is secured to the inner panel; a reinforcement that is secured between the inner panel and the outer panel; and a support bracket that is secured to the reinforcement and which includes a body with a generally planar configuration.…

Rear bumper for an automobile

Granted: April 16, 2024
Patent Number: D1022818

Silica-containing insulating composition

Granted: April 16, 2024
Patent Number: 11961636
An insulating composition containing silica particles, a resin, and a curing agent, wherein: when an aqueous solution of the silica particles having an SiO2 concentration of 3.8% by mass is heated at 121° C. for 20 hours, the amount of Na ions eluted from the silica particles is 40 ppm/SiO2 or less, especially, wherein the amount of Na ions eluted from the silica particles after the heating may be 5-38 ppm/SiO2, and, the silica particles may contain a polyvalent metal oxide so the ratio…

Device for protecting power supply battery of motor vehicle

Granted: April 16, 2024
Patent Number: 11958532
A protection device for protection of a functional element of a motor vehicle against lateral shocks includes, in a single piece, a protection element and a shock absorber. A method of mounting a protection device in a motor vehicle with electric or hybrid drive including a power supply battery includes the following steps: supplying the power supply battery and at least one protection device. The at least one protection device is configured to protect a functional element of the motor…

Parking assist method and parking assist device

Granted: April 16, 2024
Patent Number: 11958475
A parking assist method uses a parking assist device which includes a controller configured to, when a subject vehicle travels by manual driving of a driver, determine whether or not the subject vehicle can be parked in a target parking space from a current position by first parking control for parking the subject vehicle by moving the subject vehicle only backward, and when it is determined that the subject vehicle can be parked in the target parking space by the first parking control,…

Battery arrangement having compressed foam plate

Granted: April 16, 2024
Patent Number: 11958349
A structure of an electric or hybrid vehicle includes a floor, a battery container secured beneath the floor, and a compressed foam plate arranged between the battery container and the floor.

Vehicle door assembly

Granted: April 16, 2024
Patent Number: 11958344
A vehicle door assembly includes a vehicle body structure defining a door opening, a first door movably connected to the vehicle body structure, and a second door movably connected to the vehicle body structure. The first door is configured to move between closed and open positions. The first door is configured to move in a first direction from the closed position to the open position. The second door is configured to move between closed and open positions. The second door is configured…

Method for forming a multilayer coating film

Granted: April 16, 2024
Patent Number: 11958074
A method includes a step of applying an aqueous 2-package type first colored paint to form an uncured first colored coating film; a step of applying an aqueous 1-package type second colored paint to form an uncured second colored coating film; a step of applying a solvent-based 2-package type clear paint to form an uncured clear coating film; and a step of heating the uncured first colored coating film, the uncured second colored coating film and the uncured clear coating film to 75 to…