Patents by Inventor Daiki GOTO
Daiki GOTO 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: 20240114755Abstract: A novel display apparatus that is highly convenient, useful, or reliable is provided. The display apparatus includes a first light-emitting device including a first electrode, a first layer, a first unit, and a second electrode and a second light-emitting device including a third electrode, a second layer, a second unit, and a fourth electrode. The first unit is between the first electrode and the second electrode and includes a first light-emitting material. The first layer is between the first unit and the first electrode and is in contact with the first electrode. The third electrode is adjacent to the first electrode. A first gap is between the third electrode and the first electrode. The second unit is between the third electrode and the fourth electrode and includes a second light-emitting material. The second layer is between the second unit and the third electrode and is in contact with the third electrode.Type: ApplicationFiled: August 23, 2023Publication date: April 4, 2024Inventors: Nozomu SUGISAWA, Yasumasa YAMANE, Daiki NAKAMURA, Tsunenori SUZUKI, Naoto GOTO, Yasutaka NAKAZAWA
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Publication number: 20220294191Abstract: A spark plug includes a tubular metal shell; an insulator including a locking portion locked onto the metal shell; and a cap disposed at a front end side of the metal shell, the cap having a plurality of orifices. The plurality of orifices include orifices with different cross-sectional areas. A sum of the number of one or more largest orifices and the number of one or more large orifices that have a cross-sectional area of larger than or equal to 90% of the one or more largest orifices is smaller than the number of orifices that are other than the one or more largest orifices and the one or more large orifices. A length of the front end portion in an axial direction between a front end of the insulator and a front end of the locking portion is smaller than or equal to 12 mm.Type: ApplicationFiled: February 10, 2022Publication date: September 15, 2022Applicant: NGK Spark Plug Co., Ltd.Inventors: Tatsuya GOZAWA, Shunsuke MAEDA, Daiki GOTO
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Patent number: 11424600Abstract: A spark plug includes a tubular metal shell; an insulator including a locking portion locked onto the metal shell; and a cap disposed at a front end side of the metal shell, the cap having a plurality of orifices. The plurality of orifices include orifices with different cross-sectional areas. A sum of the number of one or more largest orifices and the number of one or more large orifices that have a cross-sectional area of larger than or equal to 90% of the one or more largest orifices is smaller than the number of orifices that are other than the one or more largest orifices and the one or more large orifices. A length of the front end portion in an axial direction between a front end of the insulator and a front end of the locking portion is smaller than or equal to 12 mm.Type: GrantFiled: February 10, 2022Date of Patent: August 23, 2022Assignee: NGK Spark Plug Co., Ltd.Inventors: Tatsuya Gozawa, Shunsuke Maeda, Daiki Goto
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Patent number: 11192572Abstract: A column jacket includes a hollow outer jacket having a pair of clamped portions disposed to sandwich a slit between the clamped portions and a tubular inner jacket having, in an area where the inner jacket is fitted in the outer jacket, an elongated hole extending in an axial direction. A clamping mechanism clamps the pair of clamped portions with a pair of side plates of a fixed bracket. The elongated hole is disposed on any one of a first side and a second side, in the lateral direction, of a vertical plane passing through a central axis of the inner jacket, at a position other than on a straight line that extends in a vertical direction through the central axis.Type: GrantFiled: April 25, 2019Date of Patent: December 7, 2021Assignee: JTEKT CORPORATIONInventors: Yusuke Nishimine, Masayoshi Sakuda, Atsumune Nagatani, Daiki Goto, Naohiro Oosono, Yu Myohoji
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Patent number: 11117611Abstract: A steering system includes a rod member, a housing, and a clamping member. The housing has a clamping slit and includes a first clamp-receiving portion and a second clamp-receiving portion that project so as to sandwich the clamping slit therebetween. The clamping member includes a fixed cam, a clamping shaft, a rotary cam, and a clamping lever. The fixed cam is fitted in the first clamp-receiving portion from an outer side of the first clamp-receiving portion. The fixed cam has a third through hole extending through the fixed cam coaxially with a first axis. The third through hole has a small diameter portion at a first portion close to the rotary cam and a large diameter portion having a diameter larger than a diameter of the small diameter portion at a second portion away from the rotary cam.Type: GrantFiled: November 18, 2019Date of Patent: September 14, 2021Assignee: JTEKT CORPORATIONInventors: Masayoshi Sakuda, Daiki Goto, Kazuki Fujiwara, Akihiro Taniyama, Shoin Kume, Syunya Kouketsu
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Patent number: 10847951Abstract: A spark plug includes: a center electrode; a ground electrode that is provided such that a gap for spark discharge is formed between the center electrode and the ground electrode; and a plug cover covering the center electrode and the ground electrode to form an auxiliary chamber. The plug cover is provided with plural through holes. A relationship of 80<A/B<5000 is satisfied, where a sphere has a center at a midpoint of a line connecting the center electrode and the ground electrode at a shortest distance on an axial line and contacts a point located closest from the center on each of inner open ends of the through holes. A mm3 is a volume of a region of the auxiliary chamber, which is present in the sphere, and B mm2 is an average area of the inner open ends of the through holes.Type: GrantFiled: May 7, 2020Date of Patent: November 24, 2020Assignee: NGK SPARK PLUG CO., LTD.Inventors: Tatsuya Gozawa, Daiki Goto
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Publication number: 20200358259Abstract: A spark plug includes: a center electrode; a ground electrode that is provided such that a gap for spark discharge is formed between the center electrode and the ground electrode; and a plug cover covering the center electrode and the ground electrode to form an auxiliary chamber. The plug cover is provided with plural through holes. A relationship of 80<A/B<5000 is satisfied, where a sphere has a center at a midpoint of a line connecting the center electrode and the ground electrode at a shortest distance on an axial line and contacts a point located closest from the center on each of inner open ends of the through holes. A mm3 is a volume of a region of the auxiliary chamber, which is present in the sphere, and B mm2 is an average area of the inner open ends of the through holes.Type: ApplicationFiled: May 7, 2020Publication date: November 12, 2020Applicant: NGK SPARK PLUG CO., LTD.Inventors: Tatsuya Gozawa, Daiki Goto
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Patent number: 10833486Abstract: A spark plug having excellent ignitability including a rod-shaped center electrode; a ground electrode that includes a facing portion facing a front end portion of the center electrode and forms a discharge gap between the facing portion and the front end portion of the center electrode; an insulator; a metal shell; and a cover portion that covers, from a front end side of the spark plug, the front end portion of the center electrode and the facing portion of the ground electrode to form a pre-chamber and includes injection holes that are through holes.Type: GrantFiled: March 10, 2020Date of Patent: November 10, 2020Assignee: NGK SPARK PLUG CO., LTD.Inventors: Tatsuya Gozawa, Kenji Ban, Daiki Goto
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Publication number: 20200335949Abstract: A spark plug having excellent ignitability including a rod-shaped center electrode; a ground electrode that includes a facing portion facing a front end portion of the center electrode and forms a discharge gap between the facing portion and the front end portion of the center electrode; an insulator; a metal shell; and a cover portion that covers, from a front end side of the spark plug, the front end portion of the center electrode and the facing portion of the ground electrode to form a pre-chamber and includes injection holes that are through holes.Type: ApplicationFiled: March 10, 2020Publication date: October 22, 2020Applicant: NGK SPARK PLUG CO., LTD.Inventors: Tatsuya GOZAWA, Kenji BAN, Daiki GOTO
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Patent number: 10801908Abstract: A pressure sensor including: a cylindrical casing extending in an axial direction; a diaphragm joined to the distal end side of the casing, extending in a direction intersecting the axis of the casing and deforming in accordance with pressure received on the distal end side; and a sensor section disposed inside the casing and outputting an electric signal corresponding to the deformation of the diaphragm. The diaphragm is provided with a plate-shaped base part and three or more protruding parts protruding from the distal end side surface of the base part toward the distal end side and set apart from each other. The relationships 0.05?H?2.5T and 0.05?(S2/S1)?0.8 are satisfied, where T (thickness), H (length), S1 (area of base distal end surface) and S2 (total area of protruding distal end surfaces) are as defined herein.Type: GrantFiled: December 8, 2016Date of Patent: October 13, 2020Assignee: NGK SPARK PLUG CO., LTD.Inventors: Yusuke Fuji, Tatsunori Yamada, Daiki Goto, Junki Iwabuchi
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Patent number: 10777976Abstract: A spark plug wherein the occurrence of pre-ignition and misfires is suppressed. The spark plug includes a cover portion that covers a front end portion of a center electrode and a facing portion of a ground electrode from a front end side of the spark plug to form a pre-chamber space. The cover portion has injection holes that are through-holes. A total area A (mm2) of inner peripheral surfaces of the injection holes and a thermal conductivity B (W/mK) of a material of the cover portion satisfy a formula (1): 10<A×B<4000.Type: GrantFiled: April 14, 2020Date of Patent: September 15, 2020Assignee: NGK SPARK PLUG CO., LTD.Inventors: Tatsuya Gozawa, Kenji Ban, Daiki Goto
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Patent number: 10742002Abstract: A spark plug wherein the occurrence of pre-ignition and misfires in the spark plug are suppressed. The spark plug includes a cover portion, that covers a front end portion of a center electrode and a facing portion of a ground electrode from a front end side of the spark plug to form a pre-chamber space. The cover portion has injection holes that are through-holes. A metal shell volume A (mm3) of a portion of the metal shell on the front side with respect to a rear end of the pre-chamber space and a thermal conductivity B (W/mK) of the metal shell at the normal temperature satisfy a formula (1): 3.6<A/B<98.0. The metal shell volume A (mm3) and a space volume C of the pre-chamber space satisfy a formula (2): 0.18<C/A<1.20.Type: GrantFiled: April 1, 2020Date of Patent: August 11, 2020Assignee: NGK SPARK PLUG CO., LTD.Inventors: Tatsuya Gozawa, Daiki Goto
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Publication number: 20200207400Abstract: A steering system includes a rod member, a housing, and a clamping member. The housing has a clamping slit and includes a first clamp-receiving portion and a second clamp-receiving portion that project so as to sandwich the clamping slit therebetween. The clamping member includes a fixed cam, a clamping shaft, a rotary cam, and a clamping lever. The fixed cam is fitted in the first clamp-receiving portion from an outer side of the first clamp-receiving portion. The fixed cam has a third through hole extending through the fixed cam coaxially with a first axis. The third through hole has a small diameter portion at a first portion close to the rotary cam and a large diameter portion having a diameter larger than a diameter of the small diameter portion at a second portion away from the rotary cam.Type: ApplicationFiled: November 18, 2019Publication date: July 2, 2020Applicant: JTEKT CORPORATIONInventors: Masayoshi SAKUDA, Daiki GOTO, Kazuki FUJIWARA, Akihiro TANIYAMA, Shoin KUME, Syunya KOUKETSU
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Publication number: 20200200636Abstract: A pressure sensor including: a cylindrical casing extending in an axial direction; a diaphragm joined to the distal end side of the casing, extending in a direction intersecting the axis of the casing and deforming in accordance with pressure received on the distal end side; and a sensor section disposed inside the casing and outputting an electric signal corresponding to the deformation of the diaphragm. The diaphragm is provided with a plate-shaped base part and three or more protruding parts protruding from the distal end side surface of the base part toward the distal end side and set apart from each other. The relationships 0.05?H?2.5T and 0.05?(S2/S1)?0.8 are satisfied, where T (thickness), H (length), S1 (area of base distal end surface) and S2 (total area of protruding distal end surfaces) are as defined herein.Type: ApplicationFiled: December 8, 2016Publication date: June 25, 2020Applicant: NGK SPARK PLUG CO., LTD.Inventors: Yusuke FUJI, Tatsunori YAMADA, Daiki GOTO, Junki IWABUCHI
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Patent number: 10625767Abstract: A steering device includes: an inner tube; an outer tube that fixes the inner tube by fastening the inner tube from an outer side, and has a first slit extending in an axial direction; a pair of clamp brackets that is disposed so that the clamp brackets face each other with the first slit therebetween; and a reinforcing member that is connected to one of the clamp brackets and also connected to a connection region that is a region of an outer circumferential surface of the outer tube and located farther on one side in the axial direction than an end of the first slit on the one side in the axial direction.Type: GrantFiled: April 27, 2018Date of Patent: April 21, 2020Assignees: JTEKT CORPORATION, HIRUTA-KOGYO CO., LTD.Inventors: Takuya Suzuki, Daiki Goto, Susumu Imagaki, Takahiro Fujii
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Patent number: 10578506Abstract: A pressure sensor includes: a diaphragm joined to a front side of a housing via a joint portion; a sensor portion; a connection portion connecting the diaphragm to the sensor portion; and a heat receiving portion disposed at the front side of the diaphragm. When: a minimum value of an area of a minimum inclusion region which is a virtual region, which include a cross-section of a portion from the heat receiving portion to the diaphragm and of which an overall length of a contour become minimum on a cross-section perpendicular to the axial line, is defined as a connection area Sn; and an area of a region surrounded by the joint portion on a projection plane perpendicular to the axial line when the diaphragm and the heat receiving portion are projected onto the projection plane is defined as a diaphragm effective area Sd, (Sn/Sd)?0.25 is satisfied.Type: GrantFiled: July 8, 2016Date of Patent: March 3, 2020Assignee: NGK SPARK PLUG CO., LTD.Inventors: Tatsunori Yamada, Shunsuke Tsuga, Yusuke Fuji, Junki Iwabuchi, Daiki Goto
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Patent number: 10577043Abstract: A saddle-riding vehicle include a body frame, an engine which is supported on the body frame, an exhaust pipe which extends rearward from a front portion of the engine 41, a fuel tank which is disposed on a side of the engine 41, a skid guard which covers the engine and the exhaust pipe from fronts thereof, and a side guard which covers a side portion of the fuel tank. The skid guard and the side guard are disposed to have an overlap portion where the skid guard and the side guard overlap partially. Therefore, the saddle-riding vehicle prevents mud or stone from entering an inside of a guard member, and prevents a fuel tank from being exposed through a gap to eliminate a deterioration of an external design of the saddle-riding vehicle.Type: GrantFiled: November 8, 2017Date of Patent: March 3, 2020Assignee: HONDA MOTOR CO., LTD.Inventors: Shota Nakahira, Takashi Sasaki, Daiki Goto, Satoshi Matsushima
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Publication number: 20190344821Abstract: A column jacket includes a hollow outer jacket having a pair of clamped portions disposed to sandwich a slit between the clamped portions and a tubular inner jacket having, in an area where the inner jacket is fitted in the outer jacket, an elongated hole extending in an axial direction. A clamping mechanism clamps the pair of clamped portions with a pair of side plates of a fixed bracket. The elongated hole is disposed on any one of a first side and a second side, in the lateral direction, of a vertical plane passing through a central axis of the inner jacket, at a position other than on a straight line that extends in a vertical direction through the central axis.Type: ApplicationFiled: April 25, 2019Publication date: November 14, 2019Applicant: JTEKT CORPORATIONInventors: Yusuke NISHIMINE, Masayoshi SAKUDA, Atsumune NAGATANI, Daiki GOTO, Naohiro OOSONO, Yu MYOHOJI
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Publication number: 20180327017Abstract: A steering device includes: an inner tube; an outer tube that fixes the inner tube by fastening the inner tube from an outer side, and has a first slit extending in an axial direction; a pair of clamp brackets that is disposed so that the clamp brackets face each other with the first slit therebetween; and a reinforcing member that is connected to one of the clamp brackets and also connected to a connection region that is a region of an outer circumferential surface of the outer tube and located farther on one side in the axial direction than an end of the first slit on the one side in the axial direction.Type: ApplicationFiled: April 27, 2018Publication date: November 15, 2018Applicants: JTEKT CORPORATION, HIRUTA-KOGYO CO., LTD.Inventors: Takuya SUZUKI, Daiki GOTO, Susumu IMAGAKI, Takahiro FUJII
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Patent number: D998506Type: GrantFiled: February 16, 2022Date of Patent: September 12, 2023Assignee: HONDA MOTOR CO., LTD.Inventors: Fumiya Isono, Keisuke Arai, Daiki Goto, Hiroki Yoshitomi