Patents by Inventor Tsuyoshi Endo
Tsuyoshi Endo 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: 11420944Abstract: A compound represented by the following General Formula (I), a tautomer or a stereoisomer of the compound, a pharmaceutically acceptable salt thereof, or a solvate thereof, is used as a voltage-dependent T-type calcium channel blocker: wherein A represents a 5-membered heteroaryl group or a fused ring of a 5-membered or 6-membered heterocyclic ring with a benzene ring or a pyridine ring, each of which may have a substituent; R represents a hydrogen atom or the like; B represents CR5(Q1) or NQ2, herein Q1 represents a benzimidazole group which may have a substituent, or the like; Q2 represents an alkyl group having 1 to 8 carbon atoms which may have a substituent, a heteroaryl group which may have a substituent, or the like; R0, R1, R2, R3, R4, and R5 each represent a hydrogen atom or the like; and n and m each represent 0, 1, or 2.Type: GrantFiled: January 12, 2017Date of Patent: August 23, 2022Assignees: Nippon Chemiphar Co., Ltd., Kinki UniversityInventors: Hiroto Tanaka, Isao Ooi, Yuzo Mogi, Masaaki Hirose, Tsuyoshi Endo, Toru Ogawa, Atsufumi Kawabata
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Patent number: 11209771Abstract: An image forming apparatus includes an image forming device, a sheet feeder, and a housing. The image forming device forms an image on a recording medium. The sheet feeder stores the recording medium and conveys the recording medium toward the image forming device. The housing accommodates an electrical device in the housing. The housing includes a housing body and a drawer that is drawn out from the housing body. The drawer includes a bottom plate on which the electrical device is placeable and a partition above the bottom plate on which the electrical device is placeable.Type: GrantFiled: October 5, 2020Date of Patent: December 28, 2021Assignee: Ricoh Company, Ltd.Inventors: Shiro Akama, Tsuyoshi Endo, Tatsuya Suzuki
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Patent number: 11172086Abstract: A drawer mechanism includes a housing, a drawer, and a connector. The housing has at least one open side. The drawer is incorporated in the housing and insertable into and drawable from the open side of the housing. The connector connects the housing and a rear side of the drawer in a drawing direction of the drawer. The connector includes a first pivoting member, a second pivoting member, and a biasing member. The biasing member is disposed at a contact portion between the first pivoting member and the second pivoting member and configured to bias the first pivoting member and the second pivoting member in directions in which the first pivoting member and the second pivoting member are closed.Type: GrantFiled: September 9, 2020Date of Patent: November 9, 2021Assignee: RICOH COMPANY, LTD.Inventor: Tsuyoshi Endo
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Publication number: 20210103247Abstract: An image forming apparatus includes an image forming device, a sheet feeder, and a housing. The image forming device forms an image on a recording medium. The sheet feeder stores the recording medium and conveys the recording medium toward the image forming device. The housing accommodates an electrical device in the housing. The housing includes a housing body and a drawer that is drawn out from the housing body. The drawer includes a bottom plate on which the electrical device is placeable and a partition above the bottom plate on which the electrical device is placeable.Type: ApplicationFiled: October 5, 2020Publication date: April 8, 2021Applicant: Ricoh Company, Ltd.Inventors: Shiro AKAMA, Tsuyoshi ENDO, Tatsuya SUZUKI
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Publication number: 20210075927Abstract: A drawer mechanism includes a housing, a drawer, and a connector. The housing has at least one open side. The drawer is incorporated in the housing and insertable into and drawable from the open side of the housing. The connector connects the housing and a rear side of the drawer in a drawing direction of the drawer. The connector includes a first pivoting member, a second pivoting member, and a biasing member. The biasing member is disposed at a contact portion between the first pivoting member and the second pivoting member and configured to bias the first pivoting member and the second pivoting member in directions in which the first pivoting member and the second pivoting member are closed.Type: ApplicationFiled: September 9, 2020Publication date: March 11, 2021Inventor: Tsuyoshi ENDO
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Patent number: 10606209Abstract: A housing includes a body portion, including an opening, and a cover portion that covers the opening. The cover portion includes a first cover and a second cover that is perpendicular to the first cover. The first cover includes a cover body that is platy. A projection projects from the cover body. A first attachment is mounted on the projection and attaches the first cover to the body portion. A second attachment is disposed on the first attachment and attaches the second cover to the first cover.Type: GrantFiled: January 10, 2019Date of Patent: March 31, 2020Assignee: RICOH COMPANY, LTD.Inventors: Hiroki Ishimitsu, Shiro Akama, Tsuyoshi Endo, Tatsuya Suzuki
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Patent number: 10594880Abstract: A lock lever structure includes a shaft; a cam attached to the shaft to fit a different-shaped portion of the shaft to prevent rotation of the cam in a circumferential direction of the shaft, the different-shaped portion having a different shape in cross section from a round portion of the shaft; a lever having an inner hollow cylindrical portion larger than an outline of the shaft and attached to the shaft to be rotatable in the circumferential direction of the shaft; a spring attached to the shaft to press the cam and the lever in an axial direction of the shaft; and a retainer attached to the shaft to retain the spring, the cam, and the lever to the shaft. The cam has at least two valley portions. The lever has a contact portion to contact the cam. The contact portion has a base shape.Type: GrantFiled: December 5, 2016Date of Patent: March 17, 2020Assignee: Ricoh Company, Ltd.Inventors: Sakie Higuchi, Yuki Sato, Shiro Akama, Tsuyoshi Endo, Tsutomu Osawa, Yuta Ueda
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Publication number: 20190286047Abstract: A housing includes a body portion, including an opening, and a cover portion that covers the opening. The cover portion includes a first cover and a second cover that is perpendicular to the first cover. The first cover includes a cover body that is platy. A projection projects from the cover body. A first attachment is mounted on the projection and attaches the first cover to the body portion. A second attachment is disposed on the first attachment and attaches the second cover to the first cover.Type: ApplicationFiled: January 10, 2019Publication date: September 19, 2019Applicant: Ricoh Company, Ltd.Inventors: Hiroki ISHIMITSU, Shiro AKAMA, Tsuyoshi ENDO, Tatsuya SUZUKI
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Publication number: 20190192510Abstract: A compound represented by the following formula (I) or the formula (II) disclosed in the specification is a GPR119 agonist, and is used as an agent for treating diabetes: wherein one of T1, T2, T3, and T4 is N, and each of the other three independently is CR4 or, in the alternative, each of the four independently is CR4; each of R2 and R3 is hydrogen or a C1-8 alkyl group; the double line consisting of a solid line and a broken line means a single or double bond; A is (CH2)m, a bond, or the like; B is (C(R5)H)n, a bond, or the like; one of U and V is N, and the other is CR7; W is C or CR8; each of X and Y is a C1-3 alkylene group, which optionally has a halogen atom, hydroxyl etc.; Z is C(O)OR9, C(O)R10, or the like.Type: ApplicationFiled: February 1, 2011Publication date: June 27, 2019Applicant: NIPPON CHEMIPHAR CO., LTD.Inventors: Tsuyoshi ENDO, Rie TAKAHASHI, Hiroto TANAKA, Toshihiro KUNIGAMI
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Publication number: 20190077767Abstract: A compound represented by the following General Formula (I), a tautomer or a stereoisomer of the compound, a pharmaceutically acceptable salt thereof, or a solvate thereof, is used as a voltage-dependent T-type calcium channel blocker: wherein A represents a fused ring which may have a substituent, the fused ring being composed of a 5-membered heteroaryl group or a 5-membered or 6-membered heterocyclic ring and a benzene ring or the like, the 5-membered heteroaryl group having one to three identical or different heteroatoms as a ring-constituting element(s) having at least one substituent such as an alkoxy group having 1 to 8 carbon atoms and substituted with 1 to 5 halogen atoms; R represents a hydrogen atom or the like; B represents CR5(Q1) or NQ2, herein Q1 represents a benzimidazole group which may have a substituent; Q2 represents an alkyl group having 1 to 8 carbon atoms which may have a substituent, a heteroaryl group which may have a substituent, or the like; R0, R1, R2, R3, R4, and R5 each represType: ApplicationFiled: January 12, 2017Publication date: March 14, 2019Applicants: Nippon Chemiphar Co., Ltd., Kinki UniversityInventors: Hiroto TANAKA, Isao OOI, Yuzo MOGI, Masaaki HIROSE, Tsuyoshi ENDO, Toru OGAWA, Atsufumi KAWABATA
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Patent number: 10173990Abstract: Provided are a compound represented by the following Formula (III), a tautomer or stereoisomer of the compound, or a pharmaceutically acceptable salt or solvate thereof used as a therapeutic agent for gout or hyperuricemia.Type: GrantFiled: December 28, 2015Date of Patent: January 8, 2019Assignees: Nippon Chemiphar Co., Ltd., J-Pharma Co., Ltd., DeThree Res. Lab. Inc.Inventors: Tsuyoshi Endo, Kunio Kobayashi, Hiroto Tanaka, Daisuke Saito, Masuharu Hirano, Hitoshi Endou, Naohiko Anzai
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Publication number: 20170290795Abstract: Provided are a compound represented by the following Formula (III), a tautomer or stereoisomer of the compound, or a pharmaceutically acceptable salt or solvate thereof used as a therapeutic agent for gout or hyperuricemia.Type: ApplicationFiled: December 28, 2015Publication date: October 12, 2017Applicant: J-Pharma Co., Ltd.Inventors: Tsuyoshi Endo, Kunio Kobayashi, Hiroto Tanaka, Daisuke Saito, Masaharu Hirano, Hitoshi Endou, Naohiko Anzai
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Patent number: 9711125Abstract: A sound absorbing device including a Helmholtz resonator having a projection part which includes a shape of protruding from an outer wall surface of a communicating part forming plate among the communicating part forming plate and a cavity forming member that are cavity part forming members forming a cavity part of the Helmholtz resonator, and surrounding an opening of a communicating part that causes the cavity part to communicate with the outside.Type: GrantFiled: June 13, 2016Date of Patent: July 18, 2017Assignee: RICOH COMPANY, LIMITEDInventors: Kouta Hirakawa, Junichi Murano, Shoji Asanuma, Toshihiro Shimada, Tsuyoshi Endo, Hiroki Ishimitsu, Masahiro Ishida, Naoki Matsuda
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Publication number: 20170163827Abstract: A lock lever structure includes a shaft; a cam attached to the shaft to fit a different-shaped portion of the shaft to prevent rotation of the cam in a circumferential direction of the shaft, the different-shaped portion having a different shape in cross section from a round portion of the shaft; a lever having an inner hollow cylindrical portion larger than an outline of the shaft and attached to the shaft to be rotatable in the circumferential direction of the shaft; a spring attached to the shaft to press the cam and the lever in an axial direction of the shaft; and a retainer attached to the shaft to retain the spring, the cam, and the lever to the shaft. The cam has at least two valley portions. The lever has a contact portion to contact the cam. The contact portion has a base shape.Type: ApplicationFiled: December 5, 2016Publication date: June 8, 2017Applicant: Ricoh Company, Ltd.Inventors: Sakie Higuchi, Yuki Sato, Shiro Akama, Tsuyoshi Endo, Tsutomu Osawa, Yuta Ueda
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Patent number: 9527321Abstract: An electronic device comprises: a shielding object that is arranged at least in a plurality of directions and shields noise; and a Helmholtz silencer that is arranged in a direction where the shielding object does not exist, the shielding object and the silencer being arranged with respect to a noise source causing noise such as a driving source that is arranged inside an apparatus body, wherein a neck portion of the Helmholtz silencer is directed to the noise source, a plurality of such Helmholtz silencers are provided to correspond to at least two kinds of frequencies, and installed number of the Helmholtz silencers corresponding to at least two kinds of the frequencies respectively, is made different depending on a distance from the noise source.Type: GrantFiled: June 2, 2015Date of Patent: December 27, 2016Assignee: RICOH COMPANY, LIMITEDInventors: Junichi Kawase, Junichi Murano, Shoji Asanuma, Toshihiro Shimada, Kouta Hirakawa, Tsuyoshi Endo, Hiroki Ishimitsu, Masahiro Ishida, Naoki Matsuda
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Publication number: 20160300558Abstract: A sound absorbing device including a Helmholtz resonator having a projection part which includes a shape of protruding from an outer wall surface of a communicating part forming plate among the communicating part forming plate and a cavity forming member that are cavity part forming members forming a cavity part of the Helmholtz resonator, and surrounding an opening of a communicating part that causes the cavity part to communicate with the outside.Type: ApplicationFiled: June 13, 2016Publication date: October 13, 2016Applicant: Ricoh Company, Ltd.Inventors: Kouta Hirakawa, Junichi MURANO, Shoji ASANUMA, Toshihiro SHIMADA, Tsuyoshi ENDO, Hiroki ISHIMITSU, Masahiro ISHIDA, Naoki MATSUDA
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Publication number: 20160256406Abstract: Described are oligomeric/polymeric silicone fluids useful in transdermal drug delivery systems. Also described are compositions for the transdermal delivery of a drug comprising a drug-containing polymer matrix comprising a drug; a carrier polymer, and an oligomeric/polymeric silicone fluid having repeating —Si(CH3)2—O— units. Related methods and uses also are described.Type: ApplicationFiled: February 26, 2016Publication date: September 8, 2016Applicant: Noven Pharmaceuticals, Inc.Inventors: Puchun Liu, Steven Dinh, Jun Liao, Tsuyoshi Endo
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Patent number: 9389574Abstract: A sound absorbing device including a Helmholtz resonator also includes a projection part having a shape of protruding from an outer wall surface of a communicating part forming plate among the communicating part forming plate and a cavity forming member that are cavity part forming members forming a cavity part of the Helmholtz resonator, and surrounding an opening of a communicating part that causes the cavity part to communicate with the outside.Type: GrantFiled: February 25, 2015Date of Patent: July 12, 2016Assignee: RICOH COMPANY, LIMITEDInventors: Kouta Hirakawa, Junichi Murano, Shoji Asanuma, Toshihiro Shimada, Tsuyoshi Endo, Hiroki Ishimitsu, Masahiro Ishida, Naoki Matsuda
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Patent number: 9353553Abstract: An image forming apparatus includes an image forming unit configured to form an image; a drawer unit configured to be pulled out from a body of the image forming apparatus; a first lock unit configured to receive power from a power supply and perform at least one of lock and unlock of the drawer unit with respect to the body; and a second lock unit configured to perform lock and unlock of the drawer unit with respect to the body by a mechanical operation performed by an operator.Type: GrantFiled: December 12, 2013Date of Patent: May 31, 2016Assignee: RICOH COMPANY, LIMITEDInventors: Yusuke Funayama, Joh Ebara, Hiroshi Ishii, Junichi Kawase, Kohta Takenaka, Tetsuji Nishikawa, Yoshihide Ohta, Kouta Hirakawa, Toshihiro Shimada, Tsuyoshi Endo
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Publication number: 20150343816Abstract: An electronic device comprises: a shielding object that is arranged at least in a plurality of directions and shields noise; and a Helmholtz silencer that is arranged in a direction where the shielding object does not exist, the shielding object and the silencer being arranged with respect to a noise source causing noise such as a driving source that is arranged inside an apparatus body, wherein a neck portion of the Helmholtz silencer is directed to the noise source, a plurality of such Helmholtz silencers are provided to correspond to at least two kinds of frequencies, and installed number of the Helmholtz silencers corresponding to at least two kinds of the frequencies respectively, is made different depending on a distance from the noise source.Type: ApplicationFiled: June 2, 2015Publication date: December 3, 2015Applicant: Ricoh Company, LimitedInventors: Junichi KAWASE, Junichi MURANO, Shoji ASANUMA, Toshihiro SHIMADA, Kouta HIRAKAWA, Tsuyoshi ENDO, Hiroki ISHIMITSU, Masahiro ISHIDA, Naoki MATSUDA