Patents by Inventor Masahiro Sakai
Masahiro Sakai 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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Publication number: 20240145738Abstract: A fuel cell composite member 1 includes a plate-like member 2 having a gasket disposition part 4 having a front-side disposition part 4U disposed on a front surface 2U and a rear-side disposition part 4D disposed on a rear surface 2D and a gasket 5 integrally molded with the gasket disposition part 4. The front-side disposition part 4U has a continuous part 40U disposed around desired sealing target regions 22ULa, 22ULc, 22URa, 22URc, and 22UM and an independent part 41U independent from the continuous part 40U and disposed on the outer side of the continuous part 40U in a surface direction. The continuous part 40U and the independent part 41U communicate with each other through continuous part inner penetrating holes 402Ua, the rear-side disposition part 4D, and independent part inner penetrating holes 410U. In the independent part 41U, the gasket 5 does not protrude forward from the front surface 2U.Type: ApplicationFiled: September 7, 2023Publication date: May 2, 2024Applicant: Sumitomo Riko Company LimitedInventors: Masahiro Onishi, Takahiro Shinozaki, Shota Sakai
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Publication number: 20240105912Abstract: A non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, and a non-aqueous electrolyte, wherein the positive electrode includes positive electrode active material particles, the positive electrode active material particles include a composite oxide containing lithium and a transition metal, and a cover material covering at least a portion of a surface of the composite oxide, and the cover material includes a metal oxide, and a phosphorus compound covering at least a portion of a surface of the metal oxide.Type: ApplicationFiled: January 24, 2022Publication date: March 28, 2024Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Masahiro Sakai, Takuji Tsujita
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Publication number: 20240103314Abstract: Provided is a display device in which warping of a display panel is sufficiently reduced or prevented. The display device includes: a display panel; and a polarizer, the polarizer being provided with at least one notch that extends inward from an outer edge of the polarizer.Type: ApplicationFiled: August 29, 2023Publication date: March 28, 2024Inventors: Ryosuke SAIGUSA, Akira SAKAI, Yuichi KAWAHIRA, Masahiro HASEGAWA
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Patent number: 11934069Abstract: An optical element includes, sequentially from a viewing surface side toward a back surface side: a viewing-surface-side polarizer; a retarder; and a back-surface-side polarizer, a transmission axis of the viewing-surface-side polarizer and a transmission axis of the back-surface-side polarizer being parallel to each other, the optical element having an average angle ? between an angle ?1 and an angle ?2 of greater than 0° and smaller than 90°, wherein the angle ?1 represents an angle formed by an optical axis of the retarder on a surface close to the back surface with the surface close to the back surface; and the angle ?2 represents an angle formed by an optical axis of the retarder on a surface close to the viewing surface with the surface close to the viewing surface.Type: GrantFiled: August 23, 2022Date of Patent: March 19, 2024Assignee: SHARP DISPLAY TECHNOLOGY CORPORATIONInventors: Akira Sakai, Yuichi Kawahira, Masahiro Hasegawa, Ryosuke Saigusa
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Patent number: 11935967Abstract: The purpose of the invention is to form the TFT of the oxide semiconductor, in which influence of variation in mask alignment is suppressed, thus, manufacturing a display device having a TFT of stable characteristics. The concrete measure is as follows. A display device including plural pixels, each of the plural pixels having a thin film transistor (TFT) of an oxide semiconductor comprising: a width of the oxide semiconductor in the channel width direction is wider than a width of the gate electrode in the channel width direction.Type: GrantFiled: August 4, 2021Date of Patent: March 19, 2024Assignee: Japan Display Inc.Inventors: Takeshi Sakai, Yuichiro Hanyu, Masahiro Watabe
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Patent number: 11933543Abstract: A heat sink includes: a container having a cavity inside and a first surface and a second surface opposite the first surface; a working fluid encapsulated in the cavity; and a steam flow path in the cavity where the working fluid in a gas phase flows, the first surface having a flat part and a protruding part projecting from the flat part in an external direction, causing the container to have a flat portion and a protruding portion projecting from the flat portion in the external direction, an inner space of the protruding portion of the container being in communication with an inner space of the flat portion, causing the cavity to be formed, and a first heat radiating fin being provided on an exterior of the flat part of the first surface and a second heat radiating fin being provided on an exterior of the second surface.Type: GrantFiled: October 21, 2022Date of Patent: March 19, 2024Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Kenya Kawabata, Masahiro Meguro, Ryo Tsubata, Hirofumi Aoki, Yoshikatsu Inagaki, Hiroshi Sakai, Hideaki Kawabata
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Publication number: 20240085822Abstract: An image forming apparatus includes an apparatus body, an image bearing member, and a process unit attached to the apparatus body, the process unit including a frame including a storage portion configured to store developer, a developer bearing member configured to supply developer to the image bearing member to develop an electrostatic latent image; and a circuit board attached to the frame, wherein the circuit board includes a light emitting portion configured to emit light, and a light receiving portion configured to receive the light emitted from the light emitting portion and having passed through an interior of the storage portion.Type: ApplicationFiled: November 17, 2023Publication date: March 14, 2024Inventors: Tetsushi Uneme, Shinichi Nishida, Tsuyoshi Ogawa, Masahiro Suetsugu, Kengo Sakai
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Publication number: 20240081749Abstract: A health assessment system includes a processor that acquires biometric measurement data measured by a wearable terminal worn by a target person, the biometric measurement data being biometric data of the target person; generates complementary biometric data for complementing the biometric measurement data in a missing period in which the acquisition unit is not able to acquire the biometric measurement data from the wearable terminal; and assesses a health condition of the target person based on the biometric measurement data and the complementary biometric data, the processor acquires exercise information, which is information about exercise of the target person, from a mobile terminal carried by the target person, generates the complementary biometric data in the missing period, based on the exercise information of the target person which is obtained from the mobile terminal.Type: ApplicationFiled: September 1, 2023Publication date: March 14, 2024Inventors: Keisuke Nakamura, Satoru Shinkawa, Tomohiro Imai, Shigenobu Mitsuzawa, Hideki Sakai, Hiroshi Ono, Masahiro Kimura
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Publication number: 20240083245Abstract: A driver support system includes: an acquisition unit that acquires biometric data of a driver of a moving object; an evaluation unit that evaluates a health condition of the driver; and an interactive response unit that executes an interaction operation for interactive response with the driver using an HMI device mounted on the moving object, the evaluation unit being configured to; when estimating based on the biometric data for the driver that the health condition of the driver is poor, instruct the interactive response unit to execute the interaction operation, thereby acquiring a response input, which is a response of the driver to a response facilitating output that facilitates the driver to respond in the interaction operation; and determine the health condition of the driver based on a degree of suitability of the response input to the response facilitating output.Type: ApplicationFiled: September 1, 2023Publication date: March 14, 2024Inventors: Keisuke Nakamura, Satoru Shinkawa, Tomohiro Imai, Shigenobu Mitsuzawa, Hideki Sakai, Hiroshi Ono, Masahiro Kimura
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Patent number: 11927850Abstract: Provided is a liquid crystal display device having high luminance and high CR in a front direction and especially useful as a head-mounted liquid crystal display device, for example. The liquid crystal display device includes: a liquid crystal panel; an optical element; and a backlight, arranged in this order from a viewing surface side. The optical element includes a first polarizer, a retardation layer, and a second polarizer. The first polarizer, the retardation layer, and the second polarizer are arranged in this order from the viewing surface side. The first polarizer and the second polarizer are reflection polarizers. A reflection axis of the first polarizer and a reflection axis of the second polarizer are parallel to each other. In oblique directions at azimuths of 0°, 45°, and 90° at a polar angle of 60°, a polarization state of light incident on the first polarizer is elliptical polarization.Type: GrantFiled: May 10, 2023Date of Patent: March 12, 2024Assignee: Sharp Display Technology CorporationInventors: Yuichi Kawahira, Masahiro Hasegawa, Ryosuke Saigusa, Akira Sakai
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Patent number: 11927775Abstract: Provided are 3D glasses capable of reducing crosstalk when disposed on the viewer side of a liquid crystal panel that is time-divisionally driven; an optical device including the 3D glasses; and a three-dimensional image display device including the optical device. The 3D glasses include a right-eye polarizer and a left-eye polarizer, the right-eye polarizer and the left-eye polarizer each including a polarizing plate and a first ?/4 plate, at least one of the right-eye polarizer or the left-eye polarizer including a phase difference layer on or behind a back surface side of the polarizing plate, wherein a phase difference introduced by the right-eye polarizer in a thickness direction at a wavelength of 550 nm is different from a phase difference introduced by the left-eye polarizer in the thickness direction at a wavelength of 550 nm.Type: GrantFiled: April 13, 2023Date of Patent: March 12, 2024Assignee: Sharp Display Technology CorporationInventors: Masahiro Hasegawa, Akira Sakai, Kiyoshi Minoura
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Publication number: 20240077819Abstract: Provided is a heater including: a substrate that has electrical conductivity; a first insulation portion that is provided on a first surface of the substrate, has an insulation property; at least one heat generation body that is provided on the first insulation portion; a second insulation portion that is provided on a second surface of the substrate which is opposite to the first surface, has an insulation property; at least one detection unit that is provided on at least one of the first insulation portion and the second insulation portion; and a first wiring which is provided on at least one of the first insulation portion and the second insulation portion, and in which one end is electrically connected to one terminal of the detection unit and the other end is electrically connected to the substrate having the electrical conductivity.Type: ApplicationFiled: September 6, 2023Publication date: March 7, 2024Inventors: Kousuke Ueno, Masahiko Tamai, Shinjiro Aono, Akio Tsubouchi, Tsuyoshi Ohashi, Satoko Kato, Masahiro Doi, Makoto Sakai
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Patent number: 11911108Abstract: A blood flow measuring unit of a blood flow measurement apparatus of an embodiment includes an optical system for applying an OCT scan to an eye fundus and obtains blood flow information based on data acquired by the OCT scan. A movement mechanism moves the optical system. A controller applies a first movement control to the movement mechanism to move the optical system in a first direction orthogonal to an optical axis of the optical system by a predetermined distance from the optical axis. A judging unit judges occurrence of vignetting based on a detection result of return light of light incident on the eye through the optical system after the first movement control. The controller applies a second movement control to the movement mechanism to further move the optical system based on a judgement result obtained by the judging unit.Type: GrantFiled: December 26, 2018Date of Patent: February 27, 2024Assignee: TOPCON CORPORATIONInventors: Jun Sakai, Shunsuke Nakamura, Kana Nishikawa, Masahiro Akiba
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Patent number: 11862689Abstract: Group-III element nitride semiconductor substrate including a first surface and a second surface that are easy to visually distinguish from each other. An end portion is easily detected with an optical sensor, a large effective area (area that can be used in device production) can be secured, and warping of the entirety of the substrate is reduced. A Group-III element nitride semiconductor substrate includes a first surface; and a second surface, wherein the first surface is a mirror surface, the second surface has a second-surface central region and a second-surface outer peripheral region, the second-surface central region is a mirror surface, and the second-surface outer peripheral region is a non-mirror surface.Type: GrantFiled: February 17, 2023Date of Patent: January 2, 2024Assignee: NGK INSULATORS, LTD.Inventors: Katsuhiro Imai, Masahiro Sakai, Hiroki Kobayashi
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Publication number: 20230395373Abstract: A Group-III element nitride semiconductor substrate includes: a first surface; and a second surface, wherein warping of a crystal plane of the first surface has a plurality of extremes.Type: ApplicationFiled: August 18, 2023Publication date: December 7, 2023Inventors: Masahiro SAKAI, Katsuhiro IMAI, Hiroki KOBAYASHI
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Publication number: 20230282711Abstract: Group-III element nitride semiconductor substrate including a first surface and a second surface that are easy to visually distinguish from each other. An end portion is easily detected with an optical sensor, a large effective area (area that can be used in device production) can be secured, and warping of the entirety of the substrate is reduced. A Group-III element nitride semiconductor substrate includes a first surface; and a second surface, wherein the first surface is a mirror surface, the second surface has a second-surface central region and a second-surface outer peripheral region, the second-surface central region is a mirror surface, and the second-surface outer peripheral region is a non-mirror surface.Type: ApplicationFiled: February 17, 2023Publication date: September 7, 2023Inventors: Katsuhiro IMAI, Masahiro SAKAI, Hiroki KOBAYASHI
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Patent number: 11746446Abstract: A technical problem to be solved by the present invention is to provide a non-coated fabric for airbags and a coated fabric for airbags that are both less likely to have yarn slippage after being sewn, and that can be compactly stored; and airbags using these fabrics. The fabric for airbags according to the present invention is a non-coated fabric for airbags or a coated fabric for airbags that both have a crimp ratio of 12% or more in the warp direction, and a crimp ratio of 61 or less in the weft direction.Type: GrantFiled: February 22, 2019Date of Patent: September 5, 2023Assignee: TOYOBO CO., LTD.Inventors: Masahiro Sakai, Yosihiro Matsui, Kenichiro Kano
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Publication number: 20230220587Abstract: There is provided a Group-III element nitride semiconductor substrate including a first surface and a second surface, in which even when devices to be produced on the first surface are increased in size, variations in device characteristics between the devices in the same substrate are suppressed. A Group-III element nitride semiconductor substrate includes a first surface and a second surface. The Group-III element nitride semiconductor substrate satisfies at least one of the following items (1) to (3): (1) The main surface has a maximum height Wz of a surface waviness profile of 150 nm or less; (2) The main surface has a root mean square height Wq of the surface waviness profile of 25 nm or less; (3) The main surface has an average length WSm of surface waviness profile elements of 0.5 mm or more.Type: ApplicationFiled: March 8, 2023Publication date: July 13, 2023Inventors: Masahiro SAKAI, Shohei OUE
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Publication number: 20230215969Abstract: It is provided a seed crystal layer, composed of a group 13 nitride crystal selected from gallium nitride, aluminum nitride, indium nitride or the mixed crystals thereof, on an alumina layer on a single crystal substrate. By annealing under reducing atmosphere at a temperature of 950° C. or higher and 1200° C. or lower, convex-concave morphology is formed on a surface of the seed crystal layer so as to have an RMS value of 180 nm to 700 nm measured by an atomic force microscope. On the surface of the seed crystal layer, it is grown a group 13 nitride crystal layer composed of a group 13 nitride crystal selected from gallium nitride, aluminum nitride, indium nitride or the mixed crystals thereof.Type: ApplicationFiled: March 10, 2022Publication date: July 6, 2023Inventors: Masahiro SAKAI, Takayuki HIRAO, Hirokazu NAKANISHI, Mikiya ICHIMURA, Takanao SHIMODAIRA, Takashi YOSHINO, Katsuhiro IMAI, Yoshitaka KURAOKA
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Publication number: 20230138268Abstract: A control system includes at least one processor and at least one memory. The at least one processor is configured to determine operation data by repeating a process of calculating control target data indicating a predicted value of a control target in a plant and the operation data indicating an operation value of a control device of the plant by a given calculation model based on observation data indicating an actual value of the plant.Type: ApplicationFiled: October 26, 2022Publication date: May 4, 2023Applicants: ENEOS Corporation, Preferred Networks, Inc.Inventors: Taichiro HIRAI, Kosei KANUMA, Hiroyuki HINO, Yu YOSHIMURA, Kazuki UEHARA, Akira KINOSHITA, Masahiro SAKAI, Keigo KAWAMURA, Kaizaburo KIDO, Keisuke YAHATA, Keisuke NAKATA, Yo IIDA, Takuro MORIYAMA, Masashi YOSHIKAWA, Tsutomu OGASAWARA