Patents by Inventor Satoshi Nagato
Satoshi Nagato 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: 20230413287Abstract: To appropriately perform communication even when transmission with repetition is applied to DL channels transmitted from one or more TRPs. A terminal according to an aspect of the present disclosure includes a receiving section that receives multiple downlink control information transmitted using respective downlink control channels to which transmission with repetition is applied; and a control section that controls, when a downlink shared channel overlaps a resource in a control resource set including a downlink control channel to which the transmission with repetition is applied, not to use resources corresponding to a downlink control channel scheduling the downlink shared channel and a demodulation reference signal resource for an associated downlink control channel, for the downlink shared channel.Type: ApplicationFiled: November 2, 2021Publication date: December 21, 2023Applicant: NTT DOCOMO, INC.Inventors: Yuki Matsumura, Satoshi Nagato, Weiqi Sun, Jing Wang, Lan Chen
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Patent number: 9045426Abstract: The present inventions provide a method for commercially producing a 1,2 -dihydropyridine-2-one compound represented by the following formula (III-a) wherein the ring A represents an optionally substituted 2-pyridyl group, the ring B represents an optionally substituted phenyl group, and the ring C represents an optionally substituted phenyl group. Further, the invention provides crystals of 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2 -dihydropyridin-2-one and production processes therefore.Type: GrantFiled: January 27, 2014Date of Patent: June 2, 2015Assignee: EISAI R&D MANAGEMENT CO., LTD.Inventors: Itaru Arimoto, Satoshi Nagato, Yukiko Sugaya, Yoshio Urawa, Koichi Ito, Hiroyuki Naka, Takao Omae, Akio Kayano, Katsutoshi Nishiura
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Patent number: 8772497Abstract: The present inventions provide a method for commercially producing a 1,2-dihydropyridine-2-one compound represented by the following formula (III-a) wherein the ring A represents an optionally substituted 2-pyridyl group, the ring B represents an optionally substituted phenyl group, and the ring C represents an optionally substituted phenyl group. Further, the invention provides crystals of 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one and production processes therefore.Type: GrantFiled: August 27, 2010Date of Patent: July 8, 2014Assignee: Eisai R&D Management Co., Ltd.Inventors: Itaru Arimoto, Satoshi Nagato, Yukiko Sugaya, Yoshio Urawa, Koichi Ito, Hiroyuki Naka, Takao Omae, Akio Kayano, Katsutoshi Nishiura
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Publication number: 20140142315Abstract: The present inventions provide a method for commercially producing a 1,2-dihydropyridine-2-one compound represented by the following formula (III-a) wherein the ring A represents an optionally substituted 2-pyridyl group, the ring B represents an optionally substituted phenyl group, and the ring C represents an optionally substituted phenyl group. Further, the invention provides crystals of 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one and production processes therefore.Type: ApplicationFiled: January 27, 2014Publication date: May 22, 2014Applicant: EISAI R&D MANAGEMENT CO., LTD.Inventors: Itaru ARIMOTO, Satoshi NAGATO, Yukiko SUGAYA, Yoshio URAWA, Koichi ITO, Hiroyuki NAKA, Takao OMAE, Akio KAYANO, Katsutoshi NISHIURA
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Patent number: 7939549Abstract: The present invention provides a novel compound having an excellent AMPA receptor inhibitory action and/or kainate inhibitory action. A compound represented by the following formula, a salt thereof or hydrates thereof. In the formula, Q indicates NH, O or S; and R1, R2, R3, R4 and R5 are the same as or different from each other and each indicates hydrogen atom, a halogen atom, a C1-6 alkyl group or a group represented by the formula —X-A (wherein X indicates a single bond, an optionally substituted C1-6 alkylene group etc.; and A indicates an optionally substituted C6-14 aromatic hydrocarbocyclic group or 5- to 14-membered aromatic heterocyclic group etc.).Type: GrantFiled: February 27, 2009Date of Patent: May 10, 2011Assignee: Eisai R&D Management Co., Ltd.Inventors: Satoshi Nagato, Kohshi Ueno, Koki Kawano, Yoshihiko Norimine, Koichi Ito
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Publication number: 20100324297Abstract: The present inventions provide a method for commercially producing a 1,2-dihydropyridine-2-one compound represented by the following formula (III-a) wherein the ring A represents an optionally substituted 2-pyridyl group, the ring B represents an optionally substituted phenyl group, and the ring C represents an optionally substituted phenyl group. Further, the invention provides crystals of 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one and production processes therefore.Type: ApplicationFiled: August 27, 2010Publication date: December 23, 2010Inventors: Itaru ARIMOTO, Satoshi Nagato, Yukiko Sugaya, Yoshio Urawa, Koichi Ito, Hiroyuki Naka, Takao Omae, Akio Yayano, Katsutoshi Nishiura
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Patent number: 7718807Abstract: An acid addition salt of 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one or a hydrate thereof, wherein the acid is selected from the group consisting of benzenesulfonic acid, p-toluenesulfonic acid, hydrochloric acid, hydrobromic acid, sulfuric acid, methanesulfonic acid, fumaric acid, tartaric acid, succinic acid and benzoic acid.Type: GrantFiled: April 27, 2007Date of Patent: May 18, 2010Assignee: Eisai R&D Management Co., Ltd.Inventors: Satoshi Nagato, Kohshi Ueno, Hiroshi Ishihara, Yukiko Sugaya, Koichi Ito
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Publication number: 20090275751Abstract: The present invention provides a novel compound having an excellent AMPA receptor inhibitory action and/or kainate inhibitory action. A compound represented by the following formula, a salt thereof or hydrates thereof. In the formula, Q indicates NH, O or S; and R1, R2, R3, R4 and R5 are the same as or different from each other and each indicates hydrogen atom, a halogen atom, a C1-6 alkyl group or a group represented by the formula —X-A (wherein X indicates a single bond, an optionally substituted C1-6 alkylene group etc.; and A indicates an optionally substituted C6-14 aromatic hydrocarbocyclic group or 5- to 14-membered aromatic heterocyclic group etc.).Type: ApplicationFiled: February 27, 2009Publication date: November 5, 2009Inventors: Satoshi NAGATO, Kohshi Ueno, Koki Kawano, Yoshihiko Norimine, Koichi Ito, Takaisa Hanada, Masatake Ueno, Hiroyuki Amino, Makoto Ogo, Shinji Hatakeyama, Yoshio Urawa, Hiroyuki Naka, Anthony John Groom, Leanne Rivers, Terrence Smith
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Patent number: 7563811Abstract: The present invention provides a novel compound having an excellent AMPA receptor inhibitory action and/or kainate inhibitory action. A compound represented by the following formula, a salt thereof or hydrates thereof. In the formula, Q indicates NH, O or S; and R1, R2, R3, R4 and R5 are the same as or different from each other and each indicates hydrogen atom, a halogen atom, a C1-6 alkyl group or a group represented by the formula —X-A (wherein X indicates a single bond, an optionally substituted C1-6 alkylene group etc.; and A indicates an optionally substituted C6-14 aromatic hydrocarbocyclic group or 5- to 14-membered aromatic heterocyclic group etc.).Type: GrantFiled: July 6, 2005Date of Patent: July 21, 2009Assignee: Eisai R&D Management Co., Ltd.Inventors: Satoshi Nagato, Kohshi Ueno, Koki Kawano, Yoshihiko Norimine, Koichi Ito, Takahisa Hanada, Masataka Ueno, Hiroyuki Amino, Makoto Ogo, Shinji Hatakeyama, Yoshio Urawa, Hiroyuki Naka, Anthony John Groom, Leanne Rivers, Terence Smith
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Publication number: 20090054654Abstract: An acid addition salt of 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one or a hydrate thereof, wherein the acid is selected from the group consisting of benzenesulfonic acid, p-toluenesulfonic acid, hydrochloric acid, hydrobromic acid, sulfuric acid, methanesulfonic acid, fumaric acid, tartaric acid, succinic acid and benzoic acid.Type: ApplicationFiled: April 27, 2007Publication date: February 26, 2009Inventors: Satoshi Nagato, Kohshi Ueno, Hiroshi Ishihara, Yukiko Sugaya, Koichi Ito
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Publication number: 20070142640Abstract: The present inventions provide a method for commercially producing a 1,2-dihydropyridine-2-one compound represented by the following formula (III-a) wherein the ring A represents an optionally substituted 2-pyridyl group, the ring B represents an optionally substituted phenyl group, and the ring C represents an optionally substituted phenyl group. Further, the invention provides crystals of 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one and production processes therefor.Type: ApplicationFiled: January 4, 2007Publication date: June 21, 2007Inventors: Itaru Arimoto, Satoshi Nagato, Yukiko Sugaya, Yoshio Urawa, Koichi Ito, Hiroyuki Naka, Takao Omae, Akio Kayano, Katsutoshi Nishiura
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Publication number: 20060189622Abstract: The present invention provides a novel compound exhibiting an excellent inhibitory action on AMPA receptor and/or kainate receptor. That is, it provides a compound represented by the following formula, a salt thereof or a hydrate of them. In the formula, A1, A2 and A3 are independent of each other and each represents a C3-8 cycloalkyl group, a C3-8 cycloalkenyl group, a 5- to 14-membered non-aromatic heterocyclic group, a C6-14 aromatic hydrocarbon cyclic group or a 5- to 14-membered aromatic heterocyclic group, each of which may be substituted; Q represents O, S or NH; Z represents C or N; X1, X2 and X3 are independent of each other and each represents a single bond, an optionally substituted C1-6 alkylene group, an optionally substituted C2-6 alkenylene group, an optionally substituted C2-6 alkynylene group, —NH—, —O—, —NHCO—, —CONH—, —SO0-2—, etc.Type: ApplicationFiled: April 21, 2006Publication date: August 24, 2006Inventors: Satoshi Nagato, Koki Kawano, Koichi Ito, Yoshihiko Norimine, Kohshi Ueno, Takahisa Hanada, Hiroyuki Amino, Makoto Ogo, Shinji Hatakeyama, Masataka Ueno, Anthony Groom, Leanne Rivers, Terence Smith
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Publication number: 20050245581Abstract: The present invention provides a novel compound having an excellent AMPA receptor inhibitory action and/or kainate inhibitory action. A compound represented by the following formula, a salt thereof or hydrates thereof. In the formula, Q indicates NH, O or S; and R1, R2, R3, R4 and R5 are the same as or different from each other and each indicates hydrogen atom, a halogen atom, a C1-6 alkyl group or a group represented by the formula —X-A (wherein X indicates a single bond, an optionally sbutituted C1-6 alkylene group etc.; and A indicates an optionally substituted C6-14 aromatic hydrocarbocyclic group or 5- to 14-membered aromatic heterocyclic group etc.).Type: ApplicationFiled: July 6, 2005Publication date: November 3, 2005Inventors: Satoshi Nagato, Kohshi Ueno, Koki Kawano, Yoshihiko Norimine, Koichi Ito, Takahisa Hanada, Masataka Ueno, Hiroyuki Amino, Makoto Ogo, Shinji Hatakeyama, Yoshio Urawa, Hiroyuki Naka, Anthony Groom, Leanne Rivers, Terence Smith
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Patent number: 6949571Abstract: The present invention provides a novel compound having an excellent AMPA receptor inhibitory action and/or kainate inhibitory action. A compound represented by the following formula, a salt thereof or hydrates thereof. In the formula, Q indicates NH, O or S; and R1, R2, R3, R4 and R5 are the same as or different from each other and each indicates hydrogen atom, a halogen atom, a C1-6 alkyl group or a group represented by the formula —X-A (wherein X indicates a single bond, an optionally substituted C1-6 alkylene group etc.; and A indicates an optionally substituted C6-14 aromatic hydrocarbocyclic group or 5- to 14-membered aromatic heterocyclic group etc.).Type: GrantFiled: June 8, 2001Date of Patent: September 27, 2005Assignee: Eisai Co., Ltd.Inventors: Satoshi Nagato, Kohshi Ueno, Koki Kawano, Yoshihiko Norimine, Koichi Ito, Takahisa Hanada, Masataka Ueno, Hiroyuki Amino, Makoto Ogo, Shinji Hatakeyama, Anthony John Groom, Leanne Rivers, Terence Smith
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Patent number: 6825192Abstract: The present invention provides a hetrodiazinon compound having 2-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid (AMPA) receptor antagonistic action, which is represented by the following formula (I), a pharmacologically acceptable salt thereof or hydrates thereof. Wherein A represents O, S or a group represented by the formula NR3 (wherein R3 represents hydrogen atom or a lower alkyl group); R1 and R2 are the same as or different from each other and each represents an optionally substituted (hetero)aryl group etc.; and R4 and R5 are the same as or different from each other and each represents hydrogen atom, hydroxy, a halogen atom, nitrile group, nitro group, a lower alkyl group, a (hetero)aryl group etc.Type: GrantFiled: August 15, 2001Date of Patent: November 30, 2004Assignee: Eisai Co., Ltd.Inventors: Koichi Ito, Noritaka Kitazawa, Satoshi Nagato, Akiharu Kajiwara, Tatsuto Fukushima, Shinji Hatakeyama, Takahisa Hanada, Masataka Ueno, Kohshi Ueno, Koki Kawano
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Patent number: 6737425Abstract: The invention provides an N,N-substituted cyclic amine compound represented by the following formula (VIII): wherein A represents an aryl group etc.; E represents a group represented by the formula —CO— or a group represented by the formula —CHOH—; G represents an oxygen atom etc.; J represents an aryl group which may be substituted; R1 represents a lower alkyl group etc.; Alk represents a linear or branched lower alkylene group; n, v, w, x and y are independent of each other and each represents 0 or 1; and p represents 2 or 3, or a pharmacologically acceptable salt thereof. The compound of the present invention or a salt thereof is effective to treat a disease against which calcium antagonism is effective.Type: GrantFiled: January 29, 2001Date of Patent: May 18, 2004Assignee: Eisai Co., Ltd.Inventors: Noboru Yamamoto, Makoto Komatsu, Yuichi Suzuki, Koki Kawano, Teiji Kimura, Koichi Ito, Satoshi Nagato, Yoshihiko Norimine, Tetsuhiro Niidome, Tetsuyuki Teramoto, Yoichi Iimura, Shinji Hatakeyama
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Publication number: 20040023973Abstract: The present invention provides a novel compound having an excellent AMPA receptor inhibitory action and/or kainate inhibitory action. A compound represented by the following formula, a salt thereof or hydrates thereof.Type: ApplicationFiled: November 26, 2002Publication date: February 5, 2004Inventors: Satoshi Nagato, Kohshi Ueno, Koki Kawano, Yoshihiko Norimine, Koichi Ito, Takahisa Hanada, Masataka Ueno, Hiroyuki Amino, Makoto Ogo, Shinji Hatakeyama, Yoshio Urawa, Hiroyuki Naka, Anthony John Groom, Leanne Rivers
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Patent number: 6667412Abstract: The present invention provides a novel nitrile compound useful as an intermediate for the production of, for example, N,N-substituted cyclic amine derivatives or phenylacetonitrile derivatives that are useful as a medicine. Specifically it provides a nitrile carboxylic acid compound, nitrile ester compound and nitrile alcohol compound. That is, it provides a nitrile compound represented by the following formula (I): wherein R1 and R2 means substituents; m means 0 or an integer of from 1 to 6; n means 0 or an integer of from 1 to 5; and R3 means carboxyl group, a lower alkoxycarbonyl group or hydroxymethyl group.Type: GrantFiled: August 27, 2001Date of Patent: December 23, 2003Assignee: Eisai Co., Ltd.Inventors: Yuichi Suzuki, Noboru Yamamoto, Koki Kawano, Teiji Kimura, Koichi Ito, Satoshi Nagato, Yoshihiko Norimine, Yoichi Iimura
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Publication number: 20030225081Abstract: The present invention provides a novel compound exhibiting an excellent inhibitory action on AMPA receptor and/or kainate receptor. That is, it provides a compound represented by the following formula, a salt thereof or a hydrate of them.Type: ApplicationFiled: March 18, 2003Publication date: December 4, 2003Inventors: Satoshi Nagato, Koki Kawano, Koichi Ito, Yoshihiko Norimine, Koshi Ueno, Takahisa Hanada, Hiroyuki Amino, Makoto Ogo, Shinji Hatakeyama, Masataka Ueno, Anthony John Groom, Leanne Rivers, Terence Smith
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Patent number: 6281214Abstract: A biphenyl derivative represented by the following formula (I) or a pharmacologically acceptable salt thereof: wherein R1, R2, R3, R4, and R5 are defined in the specification, is clinically useful for treating and ameliorating mental disorders such as cerebrovascular disorder, aggressive behavior due to senile dementia, mental excitation, poriomania, delirium, hallucination, hyperkinesia, schizophrenia, emotional disturbance, depression, neurosis, psychophysiologic disorder and anxiety neurosis. The compounds exhibit dopamine 2 receptor antagonism and/or serotonin 2 receptor antagonism.Type: GrantFiled: October 5, 1998Date of Patent: August 28, 2001Assignee: Eisai Co., LtdInventors: Kozo Akasaka, Masahiro Yonaga, Akiharu Kajiwara, Kunizo Higurashi, Kohshi Ueno, Satoshi Nagato, Makoto Komatsu, Noritaka Kitazawa, Masataka Ueno, Yoshiharu Yamanishi, Yoshimasa Machida, Yuki Komatsu, Naoyuki Shimomura, Norio Minami, Toshikazu Shimizu, Atsushi Nagaoka