Patents by Inventor Masaki Ota
Masaki Ota 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).
-
Publication number: 20250149823Abstract: There is provided a connector including: a housing having a fitting portion to be fitted to a counterpart connector; a cover assembled to an opening opposite to the fitting portion; an annular seal member sealing a gap between an inner peripheral side seal surface of the opening and an outer peripheral side seal surface of the cover; and a plurality of reinforcing ribs disposed at predetermined intervals along an inner peripheral surface of the housing and extending along an assembling direction of the cover. When the cover is assembled to the opening, an end in an extension direction of the reinforcing ribs on an opening end side of the opening faces the seal member, thereby preventing the seal member from falling off from the inner peripheral side seal surface and the outer peripheral side seal surface.Type: ApplicationFiled: October 7, 2024Publication date: May 8, 2025Inventors: Sota Kawarasaki, Ryo Yamashita, Masaki Ota
-
Publication number: 20250149824Abstract: There is provided a connector including: a housing having a fitting portion to be fitted to a counterpart connector; a cover assembled to an opening opposite to the fitting portion; an annular seal member sealing a gap between the opening and the cover; a plurality of reinforcing ribs disposed at predetermined intervals along an inner peripheral surface of the housing and extending along an assembling direction of the cover, the inner peripheral surface of the housing being located behind the inner peripheral side seal surface of the opening; engaging projections projecting from an inner bottom surface of the cover and configured to restrict displacement of the cover with respect to the housing by being meshed with the reinforcing ribs; a component fixed to the cover; and a fixing bolt screwed into a nut provided on the cover for fixing the component.Type: ApplicationFiled: October 9, 2024Publication date: May 8, 2025Inventors: Sota Kawarasaki, Masaaki Iwabe, Masaki Ota, Satoshi Nakahara, Noriyuki Maki
-
Publication number: 20250149832Abstract: There is provided a shielded connector including: a housing having a fitting portion to be fitted to a counterpart connector; a cover assembled to an opening opposite to the fitting portion; an annular seal member sealing a gap between the opening and the cover; a shield shell externally fitted to the housing to cover the opening; ribs disposed along an outer peripheral surface of the housing corresponding to an outside of the opening and extending along an assembling direction of the shield shell; and a holding surface projecting from an inner surface of the shield shell such that only an end of the ribs in an open end of the opening comes into contact with the holding surface to prevent the opening from being deformed in an expansion direction when the shield shell is assembled to the housing.Type: ApplicationFiled: October 10, 2024Publication date: May 8, 2025Inventors: Masaaki Iwabe, Ryo Yamashita, Masaki Ota
-
Publication number: 20250073573Abstract: A controller has: a case; a manipulation unit, in a plate-like shape, disposed in the case so as to be exposed from the case; and a haptic sensor that detects a rotation manipulation for the manipulation unit. The haptic sensor has a distortion generating body fixed to the center of the manipulation unit and also has a distortion sensor disposed on the distortion generating body. The manipulation unit has non-slip portions, which are paired in the left-right direction, in the vicinity of both ends of the upper surface of the manipulation unit in the left-right direction.Type: ApplicationFiled: July 23, 2024Publication date: March 6, 2025Inventors: Tetsu NUMATA, Tetsuo MURANAKA, Masaki OTA, Kunio HOSONO, Yasuji HAGIWARA
-
Publication number: 20250073572Abstract: A haptic sensor has: a distortion generating body; first distortion sensors for detecting a rotation manipulation; and second distortion sensors for detecting a tilt manipulation. The distortion generating body has: a base in a plate-like shape; a first column disposed on one surface of the base; and a plurality of second columns disposed on a single circumference, the center of which is the first column, on another surface of the base. On the base of the distortion generating body, the first distortion sensors are placed on a circumference shared between the first distortion sensors and the plurality of second columns. On the base of the distortion generating body, the second distortion sensors are placed around the first column.Type: ApplicationFiled: July 23, 2024Publication date: March 6, 2025Inventors: Tetsu NUMATA, Tetsuo MURANAKA, Kunio HOSONO, Masaki OTA, Yasuji HAGIWARA
-
Publication number: 20240274381Abstract: A multidirectional input device includes a housing made of an insulating material; an operation lever supported by the housing in a tiltable manner; a tilt detection sensor configured to detect a tilt of the operation lever; and an electrostatic detection circuit configured to detect an electrostatic capacitance formed between an electrostatic detection electrode and a surrounding object, wherein the housing includes a dome-shaped dome portion and an opening provided at a top of the dome portion, the operation lever is inserted through the opening, and the electrostatic detection electrode has an annular portion disposed to surround the opening.Type: ApplicationFiled: April 22, 2024Publication date: August 15, 2024Inventors: Masaki OTA, Tetsu NUMATA, Masatoshi ONO, Masashi ITO
-
Publication number: 20240175203Abstract: A material storage apparatus includes: a material storage portion configured to store scraps of paper and including a material container and a lid, the material container having a material inlet enabling the scraps of paper to be input into the material container, the lid being configured to open and close the material inlet; a humidification portion including a first blower and configured to supply humidified air into the material container; and an air circulation portion including a second blower and configured to suck air in the material container, and when the lid is open, the material container has a negative pressure.Type: ApplicationFiled: November 27, 2023Publication date: May 30, 2024Inventors: Masaki OTA, Koji MOTOHASHI
-
Publication number: 20240043613Abstract: A method for producing a maleimide polyethylene glycol derivative, may including a reaction step of heating a maleimide polyethylene glycol derivative having a protective group, in a solvent in the presence of silica gel to cause deprotection. A maleimide polyethylene glycol derivative can be produced at a high maleimidization rate while restraining deterioration of a maleimide group on deprotecting the maleimide polyethylene glycol derivative having a protective group.Type: ApplicationFiled: December 8, 2021Publication date: February 8, 2024Applicant: NOF CORPORATIONInventors: Daiki OZONE, Shota MORI, Masaki OTA
-
Publication number: 20230365750Abstract: The present invention provides a method for producing a maleimide polyethylene glycol lipid, and the method includes a reaction step of deprotecting a maleimide polyethylene glycol lipid having a protective group by heating the maleimide polyethylene glycol lipid having a protective group in a solvent in the presence of silica gel. According to the present invention, a production method of preventing deterioration of a maleimide group and improving a maleimidation rate can be provided.Type: ApplicationFiled: September 17, 2021Publication date: November 16, 2023Applicant: NOF CORPORATIONInventors: Shota MORI, Masaki OTA
-
Patent number: 11687195Abstract: A contactless input device includes a plurality of sensor electrodes and a determination unit. The plurality of sensor electrodes are configured to, when a hand performs an operational input over an operating surface of an operating part in a contactless manner, detect individual capacitances correlated to proximity of the hand to the operating surface. The determination unit is configured to calculate sharpnesses of the hand at a plurality of different locations in plan view based on the respective capacitances detected by the plurality of sensor electrodes and determine a location of the operational input based on the sharpnesses.Type: GrantFiled: August 12, 2022Date of Patent: June 27, 2023Assignee: Alps Alpine Co., Ltd.Inventors: Keitaro Uchida, Masaki Ota, Masahiro Takata
-
Publication number: 20230063584Abstract: A contactless input device includes a plurality of sensor electrodes and a determination unit. The plurality of sensor electrodes are configured to, when a hand performs an operational input over an operating surface of an operating part in a contactless manner, detect individual capacitances correlated to proximity of the hand to the operating surface. The determination unit is configured to calculate sharpnesses of the hand at a plurality of different locations in plan view based on the respective capacitances detected by the plurality of sensor electrodes and determine a location of the operational input based on the sharpnesses.Type: ApplicationFiled: August 12, 2022Publication date: March 2, 2023Inventors: Keitaro UCHIDA, Masaki OTA, Masahiro TAKATA
-
Patent number: 11424086Abstract: An operation device includes a housing, an operation member, and a detector. The housing includes an electrically conductive portion on a surface thereof. The operation member is supported by the housing such that the operation member is movable in response to an operation by an operation body, and is configured to be capacitively coupled to the operation body and to the electrically conductive portion. The detector is configured to detect whether the operation body is in proximity to the operation member based on a change in capacitance at the electrically conductive portion.Type: GrantFiled: February 2, 2021Date of Patent: August 23, 2022Assignee: ALPS ALPINE CO., LTD.Inventors: Yasuji Hagiwara, Daisuke Takai, Takashi Sasaki, Takeshi Masaki, Toshiki Nakamura, Masaki Ota, Hiroshi Shigetaka, Masahiro Takata
-
Publication number: 20210159027Abstract: An operation device includes a housing, an operation member, and a detector. The housing includes an electrically conductive portion on a surface thereof. The operation member is supported by the housing such that the operation member is movable in response to an operation by an operation body, and is configured to be capacitively coupled to the operation body and to the electrically conductive portion. The detector is configured to detect whether the operation body is in proximity to the operation member based on a change in capacitance at the electrically conductive portion.Type: ApplicationFiled: February 2, 2021Publication date: May 27, 2021Inventors: Yasuji HAGIWARA, Daisuke TAKAI, Takashi SASAKI, Takeshi MASAKI, Toshiki NAKAMURA, Masaki OTA, Hiroshi SHIGETAKA, Masahiro TAKATA
-
Patent number: 10927260Abstract: Provided are a coloring composition with which a light absorption anisotropic film having excellent durability can be formed, a light absorption anisotropic film, a laminate, and an image display device. A coloring composition according to the invention contains a dichroic dye compound having a structure represented by Formula (1D) and a liquid crystalline compound.Type: GrantFiled: August 24, 2018Date of Patent: February 23, 2021Assignee: FUJIFILM CorporationInventors: Wataru Hoshino, Masaki Ota, Masatoshi Mizumura, Takashi Katou, Yoshiaki Takada, Yoji Ito, Daisuke Kashiwagi, Yuya Hamaguchi
-
Publication number: 20210017202Abstract: The invention aims to provide a constituent component of a liposome for a DDS carrier that does not show a membrane fusion promoting effect on viruses. In particular, the invention provides a sphingomyelin-derived lipid represented by the formula (1): wherein R1 is an alkyl group having 13-17 carbon atoms, and R2 is an acyl group having 12-24 carbon atoms, and a production method thereof.Type: ApplicationFiled: March 26, 2019Publication date: January 21, 2021Applicant: NOF CORPORATIONInventor: Masaki OTA
-
Patent number: 10626217Abstract: A lipid derivative in which a hydrophilic polymer is bound through a cyclic benzylidene acetal linker, and which can accurately control a hydrolysis rate in the weakly acidic environment of a living body to detach the hydrophilic polymer from a lipid membrane structure. The lipid derivative is represented by formula (1): wherein, R1 and R6 are each independently a hydrogen atom or a hydrocarbon group; R2, R3, R4 and R5 are each independently an electron-withdrawing or electron-donating substituent or a hydrogen atom; R7 is a hydrocarbon group having from 8 to 24 carbon atoms, an acyl group having from 8 to 24 carbon atoms, a cholesterol derivative, a glycerolipid, a phospholipid or a sphingolipid; P is a hydrophilic polymer; s is 1 or 2, t is 0 or 1, and s+t is 1 or 2; and Z1 and Z2 are each independently a selected divalent spacer.Type: GrantFiled: September 29, 2016Date of Patent: April 21, 2020Assignee: NOF CORPORATIONInventors: Masaki Ota, Takuma Tsubusaki, Yuji Yamamoto
-
Patent number: 10322577Abstract: A printing apparatus and a printing method which can suppress lowering of reading accuracy of a two-dimensional code caused by shift of a printing position of an image are provided. For that purpose, in printing of the two-dimensional code by a plurality of times of scanning, in a case where a boundary between image regions crosses a square-shaped minimum information element (cell) of the two-dimensional code, a printing position of the two-dimensional code is moved so that the boundary between the image regions comes to an end portion of the cell.Type: GrantFiled: August 30, 2017Date of Patent: June 18, 2019Assignee: CANON FINETECH NISCA INC.Inventors: Kenro Yamaguchi, Masaki Ota
-
Publication number: 20180362768Abstract: Provided are a coloring composition with which a light absorption anisotropic film having excellent durability can be formed, a light absorption anisotropic film, a laminate, and an image display device. A coloring composition according to the invention contains a dichroic dye compound having a structure represented by Formula (1D) and a liquid crystalline compound.Type: ApplicationFiled: August 24, 2018Publication date: December 20, 2018Applicant: FUJIFILM CorporationInventors: Wataru HOSHINO, Masaki OTA, Masatoshi MIZUMURA, Takashi KATOU, Yoshiaki TAKADA, Yoji ITO, Daisuke KASHIWAGI, Yuya HAMAGUCHI
-
Publication number: 20180312633Abstract: A lipid derivative in which a hydrophilic polymer is bound through a cyclic benzylidene acetal linker, and which can accurately control a hydrolysis rate in the weakly acidic environment of a living body to detach the hydrophilic polymer from a lipid membrane structure. The lipid derivative is represented by formula (1): wherein, R1 and R6 are each independently a hydrogen atom or a hydrocarbon group; R2, R3, R4 and R5 are each independently an electron-withdrawing or electron-donating substituent or a hydrogen atom; R7 is a hydrocarbon group having from 8 to 24 carbon atoms, an acyl group having from 8 to 24 carbon atoms, a cholesterol derivative, a glycerolipid, a phospholipid or a sphingolipid; P is a hydrophilic polymer; s is 1 or 2, t is 0 or 1, and s+t is 1 or 2; and Z1 and Z2 are each independently a selected divalent spacer.Type: ApplicationFiled: September 29, 2016Publication date: November 1, 2018Applicant: NOF CORPORATIONInventors: Masaki OTA, Takuma TSUBUSAKI, Yuji YAMAMOTO
-
Patent number: 10092655Abstract: The invention provides a cationic lipid capable of achieving higher intracellular delivery efficiency than conventional cationic lipids, when used as a lipid membrane structure which is a carrier for delivering functional nucleic acid. The cationic lipid is represented by the formula (1): wherein each symbol is as defined herein.Type: GrantFiled: August 7, 2015Date of Patent: October 9, 2018Assignees: NOF CORPORATION, NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Shota Sasaki, Masaki Ota, Kazuhiro Kubo, Hideyoshi Harashima, Hidetaka Akita, Hiroto Hatakeyama, Yuki Noguchi, Kota Tange, Yuta Nakai, Nayuta Shimizu