Patents by Inventor Akira Sakai
Akira 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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Patent number: 12265307Abstract: Provided is a liquid crystal display device including a liquid crystal panel including in the following order an active matrix substrate, a liquid crystal layer, and a counter substrate. The active matrix substrate includes in the following order a first electrode and a second electrode including a first linear electrode portion extending in a first direction. The counter substrate includes a third electrode including second linear electrode portions extending in a second direction crossing the first direction, and a fourth electrode including an island-shaped electrode portion as a floating electrode. The island-shaped electrode portion is disposed between the second linear electrode portions in a plan view, overlaps an optical aperture of one of two pixels adjacent to each other along the second direction, and does not overlap an optical aperture of the other of the two pixels.Type: GrantFiled: August 28, 2023Date of Patent: April 1, 2025Assignee: Sharp Display Technology CorporationInventors: Koji Murata, Akira Hirai, Hiroshi Tsuchiya, Takashi Satoh, Akira Sakai, Shinji Shimada
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Patent number: 12259201Abstract: In a header plate structure of heat exchangers having a core divided in plurality, a flat tube is inserted into each of the tube insertion holes having a burring, which is formed in a header plate; the flat tube is joined at an inner surface in the vicinity of a top portion of the burring; a burring with height H1 is formed to a long side portion of a dummy tube insertion hole; and a burring with height H2 is formed to a long side portion of an end portion tube insertion hole adjacent to the dummy tube insertion hole, in which height H2 of the burring of the end portion tube insertion hole has been formed higher than the height H1 of the burring of the dummy tube insertion hole.Type: GrantFiled: July 9, 2021Date of Patent: March 25, 2025Assignee: T.RAD Co., Ltd.Inventors: Akira Komuro, Taiji Sakai, Atsushi Okubo, Hiro Kubota
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Publication number: 20250076553Abstract: Provided is an optical element that can achieve favorable optical characteristics. The optical element of the present invention includes, in the following order: a first alignment film; a first optically anisotropic layer containing a first anisotropic molecules; a second alignment film; and a second optically anisotropic layer containing a second anisotropic molecules.Type: ApplicationFiled: July 12, 2024Publication date: March 6, 2025Inventors: Ryosuke SAIGUSA, Akira SAKAI, Yuichi KAWAHIRA
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Patent number: 12226705Abstract: A program recorded on a computer-readable recording medium causes a processor of a game apparatus to function as a game controller that executes a video game and generates video information indicative of a video of the video game; and an acquirer that acquires message information that is output from a terminal apparatus configured to display a distributed video that is based on the video information, the message information including a message related to at least one of the distributed video or the video game. The game controller incorporates the message included in the message information into the video of the video game, based on progress status information indicative of a progress status of the video game.Type: GrantFiled: November 29, 2022Date of Patent: February 18, 2025Assignee: KONAMI DIGITAL ENTERTAINMENT CO., LTD.Inventors: Shigeru Chiba, Junki Hirai, Kai Inoue, Akira Sakai, Tsuguo Shinpo, Toshiaki Kanahara
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Patent number: 12220644Abstract: A watching system by which a game video is distributed to display devices of a plurality of watching users has: a computer; the computer accepting viewer operations by the plurality of watching users; the computer evaluating a mutual relationship of input of the viewer operation by each of the plurality of watching users; and the computer controlling an operation effect corresponding to the viewer operation so as to change based on evaluation result of the mutual relationship.Type: GrantFiled: June 23, 2022Date of Patent: February 11, 2025Assignee: KONAMI DIGITAL ENTERTAINMENT CO., LTD.Inventors: Kazuhiko Uehara, Shigeru Chiba, Junki Hirai, Kai Inoue, Akira Sakai, Tsuguo Shinpo, Toshiaki Kanahara
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Patent number: 12204197Abstract: A color filter includes a frame portion in which the reflectance of light incident from the transparent substrate side is less than the reflectance of light incident from the overcoat layer side and an opening portion in which the reflectance of light incident from the transparent substrate side is greater than the reflectance of light incident from the overcoat layer side. The color filter satisfies nbc×dbc<?×A2+?×A+?, where nbc is the refractive index of the transparent base coat layer, dbc nm is the film thickness of the transparent base coat layer, and A is the opening ratio of the color filter, and where A, ?, ?, and ? respectively satisfy A=(area of the opening portion)/(area of an active area), ?=436.7×nbc?837.2, ?=?315.8×nbc+523.7, and ?=?358.3×nbc+771.8.Type: GrantFiled: March 5, 2024Date of Patent: January 21, 2025Assignee: Sharp Display Technology CorporationInventors: Yuichi Kawahira, Masahiro Hasegawa, Ryosuke Saigusa, Jianeng Xu, Akira Sakai
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Publication number: 20250012211Abstract: A method of manufacturing an exhaust pipe includes inserting a cover member into an approximately circular opening provided at a first end of a first exhaust pipe. An inner circumferential portion of the cover member has a ring shape with a central axis. When the cover member is inserted into the opening, its outer circumferential surface faces a first inner circumferential surface of the exhaust pipe. A maximum width of the inner circumferential portion is equal to, or greater than, a radius of a circumference of the opening. A minimum width of the inner circumferential portion is smaller than the radius. A circumferential length of the outer circumferential surface is shorter than the length of the circumference of the opening.Type: ApplicationFiled: June 19, 2024Publication date: January 9, 2025Inventors: Shigeru Ogawa, Riku Ono, Akira Sakai
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Publication number: 20250012212Abstract: In the present manufacturing method, a cover member attached to a mounting surface of a pressing jig is inserted into an approximately circular opening of an opening member. The cover member has an approximately elliptical inner circumferential portion. A long diameter of an outer circumference of the inner circumferential portion is equal to, or longer than, a diameter of the opening. A short diameter of the outer circumference of the inner circumferential portion is smaller than the diameter of the opening. A length of the outer circumference of the inner circumferential portion is shorter than or equal to a circumference length of the opening. A first imaginary line of the mounting surface indicates the inner circumferential portion of the cover member. A second imaginary line of the mounting surface indicates the opening. A positioning member is provided inside the first and second imaginary lines on the mounting surface.Type: ApplicationFiled: June 19, 2024Publication date: January 9, 2025Inventors: Riku Ono, Makoto Suzuki, Akira Sakai
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Patent number: 12181699Abstract: An optical stack for a display device includes multiple layers that are incorporated into a display device that further includes a display panel. The optical stack includes a resin layer, an alignment film, an optical compensation layer, a polarizer, and a hard coat layer that are stacked in this order from a panel side. The optical stack is formed by preparing and coating a solution for each layer, and then curing and otherwise treating each layer as warranted for a particular layer, in turn to form the optical stack.Type: GrantFiled: August 17, 2022Date of Patent: December 31, 2024Assignee: Sharp Kabushiki KaishaInventors: Akira Sakai, Masahiro Hasegawa, Miho Yamada, Kiyoshi Minoura
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Patent number: 12175203Abstract: A computer: acquires, from a compression dictionary that associates each of codes having a length according to a frequency of appearance of a set of a word and a word meaning of the word with that set, the set of any word and that word meaning, and one of the codes associated with the set of the any word and that word meaning; selects, from among a plurality of fixed-length codes stored in the memory with a same length in association with the set of the word and that word meaning, one of the fixed-length codes associated with the set of the any word and that word meaning; generates a conversion dictionary that associates the selected one of the fixed-length codes with the acquired one of the codes; and specifies, by the conversion dictionary, the individual fixed-length codes associated with each of the codes contained in compressed data.Type: GrantFiled: December 22, 2021Date of Patent: December 24, 2024Assignee: FUJITSU LIMITEDInventors: Masahiro Kataoka, Satoshi Onoue, Akira Sakai
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Patent number: 12174482Abstract: 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: GrantFiled: August 29, 2023Date of Patent: December 24, 2024Assignee: Sharp Display Technology CorporationInventors: Ryosuke Saigusa, Akira Sakai, Yuichi Kawahira, Masahiro Hasegawa
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Patent number: 12174483Abstract: Provided is an optical element including, sequentially from a viewing surface side toward a back surface side: a first polarizer; a negative C plate; a phase difference layer; and a second polarizer. A transmission axis of the first polarizer is parallel to a transmission axis of the second polarizer. The phase difference layer contains anisotropic molecules. In the phase difference layer, a tilt angle of the anisotropic molecules on a viewing surface side in the phase difference layer and a tilt angle of the anisotropic molecules on a back surface side in the phase difference layer are the same as each other and greater than 0°. A slow axis of the phase difference layer, in a case of lying in a tilt direction of the anisotropic molecules, is parallel to or perpendicular to the transmission axis of the first polarizer.Type: GrantFiled: October 17, 2023Date of Patent: December 24, 2024Assignee: Sharp Display Technology CorporationInventors: Yuichi Kawahira, Masahiro Hasegawa, Ryosuke Saigusa, Jianeng Xu, Akira Sakai
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Publication number: 20240411073Abstract: Provided are a Pancharatnam-Berry phase optical element with less or no occurrence of disclinations and with excellent optical characteristics, and a method of producing a Pancharatnam-Berry phase optical element which is suitable for production of the Pancharatnam-Berry phase optical element above. The Pancharatnam-Berry phase optical element includes: a photoalignment film; and a liquid crystal layer in contact with the photoalignment film. The liquid crystal layer includes alignment domains with reference alignment azimuths of liquid crystal molecules defined by the photoalignment film, the reference alignment azimuths being different from one another. The alignment domains include first alignment domains and second alignment domains, with each of the second alignment domains being positioned between two of the first alignment domains and in contact with each of the two first alignment domains. A difference in reference alignment azimuth between the first alignment domains is not 90°.Type: ApplicationFiled: June 4, 2024Publication date: December 12, 2024Inventors: Ryosuke SAIGUSA, Yuichi KAWAHIRA, Akira SAKAI
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Publication number: 20240408497Abstract: The present invention provides a game system that can utilize a game screen generated through play by each player as an advertisement material. A game machine (game system) is connected via a network to an advertisement distribution system that distributes an advertisement to a plurality of advertisement display devices and provides each player with a game that progresses on a series of game screens according to a play situation generated according to a play action of each player. Moreover, the game machine discriminates a specific game screen that satisfies an advertisement condition from among the series of game screens in the play of each player, generates display data for displaying the specific game screen, and transmits the generated display data to the advertisement delivery system so that a game advertisement including the specific game screen as the advertisement material is distributed as the advertisement.Type: ApplicationFiled: August 20, 2024Publication date: December 12, 2024Applicant: KONAMI DIGITAL ENTERTAINMENT CO., LTD.Inventors: Shigeru CHIBA, Akira SAKAI, Yoshihiko NARITA
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Patent number: 12147125Abstract: There is provided a liquid crystal panel provided with a display region and a frame region and including a first substrate and a second substrate disposed facing the first substrate. In the display region, a liquid crystal layer is disposed between the first substrate and the second substrate. In the frame region, a sealing portion is disposed between the first substrate and the second substrate. The first substrate includes a first support substrate and a first substrate-side insulating layer contacting the first support substrate in order toward the liquid crystal layer side. The second substrate includes a protrusion protruding to the liquid crystal layer side. The first substrate-side insulating layer includes a first thickness portion having a flat surface on the liquid crystal layer side, and a second thickness portion protruding to the liquid crystal layer side relative to the first thickness portion and disposed to face the protrusion.Type: GrantFiled: April 2, 2024Date of Patent: November 19, 2024Assignee: Sharp Display Technology CorporationInventors: Hiromi Matsumoto, Takahiro Sasaki, Takashi Satoh, Akira Sakai
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Patent number: 12138555Abstract: A distribution system distributes a viewing video to a user terminal of each of plural users who are viewers, the distribution system having a computer receiving a user operation inputted from each user terminal, the computer selecting one or more pieces of distribution data from a distribution data group including plural pieces of distribution data in response to the user operation, and the computer distributing the distribution data selected by the computer to the user terminal from which the user operation has been inputted.Type: GrantFiled: November 23, 2022Date of Patent: November 12, 2024Assignee: KONAMI DIGITAL ENTERTAINMENT CO., LTD.Inventors: Yoshihiko Narita, Shigeru Chiba, Akira Sakai, Kai Inoue, Tsuguo Shinpo, Toshiaki Kanahara, Junki Hirai
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Publication number: 20240345438Abstract: There is provided a liquid crystal panel provided with a display region and a frame region and including a first substrate and a second substrate disposed facing the first substrate. In the display region, a liquid crystal layer is disposed between the first substrate and the second substrate. In the frame region, a sealing portion is disposed between the first substrate and the second substrate. The first substrate includes a first support substrate and a first substrate-side insulating layer contacting the first support substrate in order toward the liquid crystal layer side. The second substrate includes a protrusion protruding to the liquid crystal layer side. The first substrate-side insulating layer includes a first thickness portion having a flat surface on the liquid crystal layer side, and a second thickness portion protruding to the liquid crystal layer side relative to the first thickness portion and disposed to face the protrusion.Type: ApplicationFiled: April 2, 2024Publication date: October 17, 2024Inventors: Hiromi MATSUMOTO, Takahiro SASAKI, Takashi SATOH, Akira SAKAI
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Publication number: 20240345434Abstract: A color filter includes a frame portion in which the reflectance of light incident from the transparent substrate side is less than the reflectance of light incident from the overcoat layer side and an opening portion in which the reflectance of light incident from the transparent substrate side is greater than the reflectance of light incident from the overcoat layer side. The color filter satisfies nbc×dbc<?×A2+?×A+?, where nbc is the refractive index of the transparent base coat layer, dbc nm is the film thickness of the transparent base coat layer, and A is the opening ratio of the color filter, and where A, ?, ?, and ? respectively satisfy A=(area of the opening portion)/(area of an active area), ?=436.7×nbc?837.2, ?=?315.8×nbc+523.7, and ?=?358.3×nbc+771.8.Type: ApplicationFiled: March 5, 2024Publication date: October 17, 2024Inventors: Yuichi KAWAHIRA, Masahiro Hasegawa, Ryosuke Saigusa, Jianeng Xu, Akira Sakai
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Patent number: 12117697Abstract: A liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer. Each pixel includes a reflective region and a transmissive region. The first substrate includes a reflective layer, an interlayer insulating layer provided to cover the reflective layer, and a pixel electrode provided on the interlayer insulating layer in each pixel. The interlayer insulating layer has a recess portion which is defined by a bottom surface and an inclined side surface and at least a part of which is located in the transmissive region. A depth of the recess portion of the interlayer insulating layer is 0.5 ?m or more, and an inclination angle of the inclined side surface of the recess portion is 25° or less.Type: GrantFiled: October 26, 2023Date of Patent: October 15, 2024Assignee: Sharp Display Technology CorporationInventors: Mariko Honda, Nobuhiro Waka, Hiroyuki Hakoi, Takahiro Sasaki, Takashi Satoh, Akira Sakai, Seiji Maeda
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Patent number: 12117634Abstract: In a flexible display device, a transistor layer, a light-emitting element layer, a sealing layer, a first flexible substrate, a ?/4 layer, a linear polarizer, an overcoat layer, and a water repellent layer are provided in this order on a second flexible substrate, and the water repellent layer is provided so as to overlap with at least an end portion of the overcoat layer.Type: GrantFiled: April 16, 2019Date of Patent: October 15, 2024Assignee: SHARP KABUSHIKI KAISHAInventors: Miho Yamada, Masahiro Hasegawa, Akira Sakai