Patents by Inventor Kazuhiro Yokoyama
Kazuhiro Yokoyama 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: 11710610Abstract: An input apparatus includes a casing including an opening, a knob exposed to outside along a virtual central axis, a first support member that supports the knob so as to be capable of a first operation, a second support member that supports the first support member so as to be capable of a second operation of the knob, a first detection member that detects the first operation, a second detection member that detects the second operation, and a detachable regulating member that regulates movement of the second detection member. The second support member includes a groove extending parallel to the virtual central axis. When the second operation is to be disabled, the regulating member including a rib to be fitted in the groove is attached. When the second operation is to be enabled, the regulating member not including a rib to be fitted in the groove is attached.Type: GrantFiled: July 16, 2021Date of Patent: July 25, 2023Inventors: Kazuhiro Yokoyama, Takao Igarashi, Hajime Suzuki
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Publication number: 20210343492Abstract: An input apparatus includes a casing including an opening, a knob exposed to outside along a virtual central axis, a first support member that supports the knob so as to be capable of a first operation, a second support member that supports the first support member so as to be capable of a second operation of the knob, a first detection member that detects the first operation, a second detection member that detects the second operation, and a detachable regulating member that regulates movement of the second detection member. The second support member includes a groove extending parallel to the virtual central axis. When the second operation is to be disabled, the regulating member including a rib to be fitted in the groove is attached. When the second operation is to be enabled, the regulating member not including a rib to be fitted in the groove is attached.Type: ApplicationFiled: July 16, 2021Publication date: November 4, 2021Inventors: Kazuhiro YOKOYAMA, Takao IGARASHI, Hajime SUZUKI
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Patent number: 9951060Abstract: [Problem] To provide a compound which is useful as an active ingredient for a pharmaceutical composition for preventing or treating urine storage dysfunction, voiding dysfunction, lower urinary tract dysfunction, and the like. [Means for Solution] The present inventors have found that a thiazole derivative substituted with pyrazinylcarbonylamino at the 2-position is an excellent muscarinic M3 receptor-positive allosteric modulator and is expected as an agent for preventing or treating bladder/urinary tract diseases associated with bladder contractions via a muscarinic M3 receptor, thereby completing the present invention. 2-Acylaminothiazole derivative or a salt thereof of the present invention is expected as an agent for preventing or treating bladder/urinary tract diseases associated with bladder contractions via a muscarinic M3 receptor, for example voiding dysfunction such as underactive bladder.Type: GrantFiled: June 5, 2015Date of Patent: April 24, 2018Assignee: Astellas Pharma Inc.Inventors: Taisuke Takahashi, Takanori Koike, Kenji Negoro, Hiroaki Tanaka, Jun Maeda, Kazuhiro Yokoyama, Hajime Takamatsu
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Publication number: 20170197955Abstract: [Problem] To provide a compound which is useful as an active ingredient for a pharmaceutical composition for preventing or treating urine storage dysfunction, voiding dysfunction, lower urinary tract dysfunction, and the like. [Means for Solution] The present inventors have found that a thiazole derivative substituted with pyrazinylcarbonylamino at the 2-position is an excellent muscarinic M3 receptor-positive allosteric modulator and is expected as an agent for preventing or treating bladder/urinary tract diseases associated with bladder contractions via a muscarinic M3 receptor, thereby completing the present invention. 2-Acylaminothiazole derivative or a salt thereof of the present invention is expected as an agent for preventing or treating bladder/urinary tract diseases associated with bladder contractions via a muscarinic M3 receptor, for example voiding dysfunction such as underactive bladder.Type: ApplicationFiled: June 5, 2015Publication date: July 13, 2017Applicant: ASTELLAS PHARMA INC.Inventors: Taisuke TAKAHASHI, Takanori KOIKE, Kenji NEGORO, Hiroaki TANAKA, Jun MAEDA, Kazuhiro YOKOYAMA, Hajime TAKAMATSU
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Patent number: 9637451Abstract: [Problem] To provide a compound useful as a MT1 and/or MT2 receptor agonist. [Solution] The present inventors have studied on MT1 and/or MT2 receptor agonists, and have confirmed that indole compounds have the activity. As a result, the present invention is accomplished. That is, a compound represented by formula (I) or a salt thereof according to the present invention has a MT1 and/or MT2 receptor agonistic activity and has a low ability of migrating into central nervous system. Therefore, the compound or a salt thereof can be used as a peripheral MT1 and/or MT2 receptor agonist, and therefore can be used as a therapeutic and/or prophylactic agent for urinary incontinence, particularly stress urinary incontinence and mixed urinary incontinence.Type: GrantFiled: January 13, 2015Date of Patent: May 2, 2017Inventors: Shunichiro Matsumoto, Takafumi Shimizu, Tomoyuki Saito, Takatoshi Kanayama, Hiroaki Tanaka, Chiharu Mori, Kazuhiro Yokoyama, Shigeo Matsui
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Patent number: 9562044Abstract: Thiazole derivatives having pyrazine-2-carbonylamino substituted at the 2-position of the following formula (I): are excellent muscarinic M3 receptor positive allosteric modulators, and are useful for treating bladder or urinary tract diseases, related to bladder contraction by a muscarinic M3 receptor. The 2-acylaminothiazole derivatives and salts thereof can be used for treating bladder or urinary tract diseases, related to bladder contraction by a muscarinic M3 receptor, for example, voiding dysfunctions such as underactive bladder.Type: GrantFiled: February 27, 2014Date of Patent: February 7, 2017Assignee: Astellas Pharma Inc.Inventors: Taisuke Takahashi, Jun Maeda, Yusuke Inagaki, Kenji Negoro, Hiroaki Tanaka, Kazuhiro Yokoyama, Hajime Takamatsu, Takanori Koike, Issei Tsukamoto
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Publication number: 20160332966Abstract: [Problem] To provide a compound useful as a MT1 and/or MT2 receptor agonist. [Solution] The present inventors have studied on MT1 and/or MT2 receptor agonists, and have confirmed that indole compounds have the activity. As a result, the present invention is accomplished. That is, a compound represented by formula (I) or a salt thereof according to the present invention has a MT1 and/or MT2 receptor agonistic activity and has a low ability of migrating into central nervous system. Therefore, the compound or a salt thereof can be used as a peripheral MT1 and/or MT2 receptor agonist, and therefore can be used as a therapeutic and/or prophylactic agent for urinary incontinence, particularly stress urinary incontinence and mixed urinary incontinence.Type: ApplicationFiled: January 13, 2015Publication date: November 17, 2016Applicant: ASTELLAS PHARMA INC.Inventors: Shunichiro MATSUMOTO, Takafumi SHIMIZU, Tomoyuki SAITO, Takatoshi KANAYAMA, Hiroaki TANAKA, Chiharu MORI, Kazuhiro YOKOYAMA, Shigeo MATSUI
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Publication number: 20160002218Abstract: [Problem] A compound which is useful as an active ingredient of a pharmaceutical composition for treating storage dysfunctions, voiding dysfunctions, and lower urinary tract diseases is provided. [Means for Solution] The present inventors have found that a thiazole derivative having pyrazine-2-carbonylamino substituted at the 2-position is an excellent muscarinic M3 receptor positive allosteric modulator, and is useful as an agent for preventing and/or treating bladder or urinary tract diseases, related to bladder contraction by a muscarinic M3 receptor, thereby completing the present invention. The 2-acylaminothiazole derivative or a salt thereof of the present invention can be used as an agent for preventing and/or treating bladder or urinary tract diseases, related to bladder contraction by a muscarinic M3 receptor, for example, voiding dysfunctions such as underactive bladder.Type: ApplicationFiled: February 27, 2014Publication date: January 7, 2016Applicant: Astellas Pharma Inc.Inventors: Taisuke TAKAHASHI, Jun MAEDA, Yusuke INAGAKI, Kenji NEGORO, Hiroaki TANAKA, Kazuhiro YOKOYAMA, Hajime TAKAMATSU, Takanori KOIKE, Issei TSUKAMOTO
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Patent number: 9147962Abstract: Provided with a first connector part to connect a first cable, a second connector part to connect a second cable, and to fit with a first connector part, thereby ensuring electrical connection between a first cable and a second cable, and a housing to hold a second connector part rotatably around an axial direction of a second cable.Type: GrantFiled: May 25, 2012Date of Patent: September 29, 2015Assignee: Yazaki CorporationInventors: Haruki Yoshida, Osamu Shinmura, Jun Asada, Kazuhiro Yokoyama, Tsuyoshi Mizushima
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Publication number: 20140030926Abstract: Provided with a first connector part to connect a first cable, a second connector part to connect a second cable, and to fit with a first connector part, thereby ensuring electrical connection between a first cable and a second cable, and a housing to hold a second connector part rotatably around an axial direction of a second cable.Type: ApplicationFiled: May 25, 2012Publication date: January 30, 2014Applicant: YAZAKI CORPORATIONInventors: Haruki Yoshida, Osamu Shinmura, Jun Asada, Kazuhiro Yokoyama, Tsuyoshi Mizushima
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Patent number: 8367702Abstract: As a result of extensive studies on NAD(P)H oxidase inhibitors, the present inventors found that a quinolone derivative having, at the 2-position, an alkyl group substituted with a heteroatom or the like has an excellent NAD(P)H oxidase inhibitory activity, and accomplished the present invention. The compound of the present invention has a reactive oxygen species production inhibitory activity based on the NAD(P)H oxidase inhibitory activity, and therefore can be used as an agent for preventing and/or treating diabetes, impaired glucose tolerance, hyperlipidemia, fatty liver, diabetic complications and the like.Type: GrantFiled: September 25, 2008Date of Patent: February 5, 2013Assignee: Astellas Pharma Inc.Inventors: Kenichi Onda, Kenichiro Imamura, Fumie Sato, Hiroyuki Moritomo, Yasuharu Urano, Yuki Sawada, Naoki Ishibashi, Keita Nakanishi, Kazuhiro Yokoyama, Shigetada Furukawa, Kazuhiro Momose
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Patent number: 8263607Abstract: Provided is a compound useful as an N-type Ca2+ channel blocker. As a result of intensive studies of compounds having an action of blocking N-type Ca2+ channels, the present inventors found that a tetrahydroisoquinoline compound of the present invention having a substituent at the 1-position has an action of blocking the N-type Ca2+ channels, an antinociceptive pain action, an antineuropathic pain action, an abdominal pain-inhibitory action and an opioid-induced constipation-improving action, and the present invention has been completed based on these findings.Type: GrantFiled: May 20, 2008Date of Patent: September 11, 2012Assignee: Astellas Pharma Inc.Inventors: Jun-ichi Shishikura, Makoto Inoue, Takashi Ogiyama, Koichi Yonezawa, Susumu Yamaki, Kazuhiro Yokoyama, Shuichirou Kakimoto, Hidetsugu Okada
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Publication number: 20100256113Abstract: As a result of extensive studies on NAD(P)H oxidase inhibitors, the present inventors found that a quinolone derivative having, at the 2-position, an alkyl group substituted with a heteroatom or the like has an excellent NAD(P)H oxidase inhibitory activity, and accomplished the present invention. The compound of the present invention has a reactive oxygen species production inhibitory activity based on the NAD(P)H oxidase inhibitory activity, and therefore can be used as an agent for preventing and/or treating diabetes, impaired glucose tolerance, hyperlipidemia, fatty liver, diabetic complications and the like.Type: ApplicationFiled: September 25, 2008Publication date: October 7, 2010Applicant: Astellas Pharma Inc.Inventors: Kenichi Onda, Kenichiro Imamura, Fumie Sato, Hiroyuki Moritomo, Yasuharu Urano, Yuki Sawada, Naoki Ishibashi, Keita Nakanishi, Kazuhiro Yokoyama, Shigetada Furukawa, Kazuhiro Momose
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Patent number: 7793704Abstract: An upper surface of a skirting base section 6h of a sand core 6 is provided with a projection 14 of a column shape. When a slide mold 3 is slidingly moved in a mold clamping direction, a sliding contact section 15 of a holding recessed section 13 of the slide mold 3 is brought into sliding contact with the projection 14 to hold the projection 14 while scraping away part of the sand of the projection 14. The upper surface of the skirting base section 6h adjacent to the projection 14 is also provided with a recess 16 for recovering the scraped sand, wherein the width of the recess 16 is larger than the diameter of the projection 14 in the longitudinal direction. The projection 14 can be formed in a prismatic or semispherical shape.Type: GrantFiled: March 3, 2006Date of Patent: September 14, 2010Assignee: Honda Motor Co., Ltd.Inventors: Kenichi Maeyama, Kazuhiro Yokoyama, Masuyuki Ikeguchi, Kazuki Miyazaki
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Patent number: 7790884Abstract: To provide a compound which has an excellent activity to modulate the functions of CCR4 or TARC and/or MDC and can be used for the prevention and/or treatment of various inflammatory diseases, allergic diseases, autoimmune diseases and the like. An acylaminopiperidine compound represented by the formula (I) or a pharmaceutically acceptable salt thereof. [Symbols in the formula represent the following meanings; A: a single bond or C1-C6 alkylene, R1: phenyl which may be substituted, etc., R2: —H or C1-C6 alkyl, R3: —H, C1-C6 alkyl or C3-C8 cycloalkyl, R4: pyrrolidin-2-yl which may be substituted, etc., and D: benzene ring or pyrazole ring].Type: GrantFiled: March 23, 2007Date of Patent: September 7, 2010Assignee: Astellas Pharma Inc.Inventors: Toru Kontani, Noriyuki Kawano, Naoyuki Masuda, Koji Kato, Hiroshi Nagata, Hiroshi Inami, Tadashi Terasaka, Kazuhiro Yokoyama, Takahiro Miyazaki
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Publication number: 20100168154Abstract: Provided is a compound useful as an N-type Ca2+ channel blocker. As a result of intensive studies of compounds having an action of blocking N-type Ca2+ channels, the present inventors found that a tetrahydroisoquinoline compound of the present invention having a substituent at the 1-position has an action of blocking the N-type Ca2+ channels, an antinociceptive pain action, an antineuropathic pain action, an abdominal pain-inhibitory action and an opioid-induced constipation-improving action, and the present invention has been completed based on these findings.Type: ApplicationFiled: May 20, 2008Publication date: July 1, 2010Applicant: ASTELLAS PHARMA INC.Inventors: Jun-Ichi Shishikura, Makoto Inoue, Takashi Ogiyama, Koichi Yonezawa, Susumu Yamaki, Kazuhiro Yokoyama, Shuichirou Kakimoto, Hidetsugu Okada
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Publication number: 20090139680Abstract: An upper surface of a skirting base section 6h of a sand core 6 is provided with a projection 14 of a column shape. When a slide mold 3 is slidingly moved in a mold clamping direction, a sliding contact section 15 of a holding recessed section 13 of the slide mold 3 is brought into sliding contact with the projection 14 to hold the projection 14 while scraping away part of the sand of the projection 14. The upper surface of the skirting base section 6h adjacent to the projection 14 is also provided with a recess 16 for recovering the scraped sand, wherein the width of the recess 16 is larger than the diameter of the projection 14 in the longitudinal direction. The projection 14 can be formed in a prismatic or semispherical shape.Type: ApplicationFiled: March 3, 2006Publication date: June 4, 2009Applicant: HONDA MOTOR CO., LTD.Inventors: Kenichi Maeyama, Kazuhiro Yokoyama, Masuyuki Ikeguchi, Kazuki Miyazaki
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Publication number: 20090131666Abstract: [Problem] To provide a compound which has an excellent activity to modulate the functions of CCR4 or TARC and/or MDC and can be used for the prevention and/or treatment of various inflammatory diseases, allergic diseases, autoimmune diseases and the like. [Means for Resolution] An acylaminopiperidine compound represented by the formula (I) or a pharmaceutically acceptable salt thereof. [Symbols in the formula represent the following meanings; A: a single bond or C1-C6 alkylene, R1: phenyl which may be substituted, etc., R2: —H or C1-C6 alkyl, R3: —H, C1-C6 alkyl or C3-C8 cycloalkyl, R4: pyrrolidin-2-yl which may be substituted, etc., and D: benzene ring or pyrazole ring].Type: ApplicationFiled: March 23, 2007Publication date: May 21, 2009Applicant: ASTELLAS PHARMA INC.Inventors: Toru Kontani, Noriyuki Kawano, Naoyuki Masuda, Koji Kato, Hiroshi Nagata, Hiroshi Inami, Tadashi Terasaka, Kazuhiro Yokoyama, Takahiro Miyazaki
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Publication number: 20070265289Abstract: The invention relates to a compound useful as remedies or preventives for IKK2-related inflammatory diseases or autoimmune diseases, or that is, a 2-aminopyrimidine derivative having a 2-hydroxyphenyl group at the 6-position thereof and having a saturated cyclic group that contains one nitrogen atom, such as piperidine, at the 4-position thereof. The pharmaceutical composition of the invention and the compound of the invention have an excellent antiinflammatory effect based on the IKK2-inhibitory effect thereof, and are therefore useful for remedies and preventives for inflammatory diseases and autoimmune diseases, especially for rheumatoid arthritis.Type: ApplicationFiled: April 13, 2005Publication date: November 15, 2007Inventors: Yoshinori Okamoto, Hirokazu Kubota, Ippei Sato, Kazuyuki Hattori, Takatoshi Kanayama, Kazuhiro Yokoyama, Yoshiya Terai, Masahiro Takeuchi
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Patent number: RE49111Abstract: [Problem] To provide a compound which is useful as an active ingredient for a pharmaceutical composition for preventing or treating urine storage dysfunction, voiding dysfunction, lower urinary tract dysfunction, and the like. [Means for Solution] The present inventors have found that a thiazole derivative substituted with pyrazinylcarbonylamino at the 2-position is an excellent muscarinic M3 receptor-positive allosteric modulator and is expected as an agent for preventing or treating bladder/urinary tract diseases associated with bladder contractions via a muscarinic M3 receptor, thereby completing the present invention. 2-Acylaminothiazole derivative or a salt thereof of the present invention is expected as an agent for preventing or treating bladder/urinary tract diseases associated with bladder contractions via a muscarinic M3 receptor, for example voiding dysfunction such as underactive bladder.Type: GrantFiled: April 23, 2020Date of Patent: June 21, 2022Assignee: ASTELLAS PHARMA INC.Inventors: Taisuke Takahashi, Takanori Koike, Kenji Negoro, Hiroaki Tanaka, Jun Maeda, Kazuhiro Yokoyama, Hajime Takamatsu