Patents by Inventor Yoshinori Iwai
Yoshinori Iwai 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: 12227517Abstract: A compound useful as an active ingredient of a pharmaceutical composition for treatment of cancer related to activation of immune cells or cancer having resistance to anti-PD-1 antibody/anti-PD-L1 antibody therapy is provided. The present inventors have conducted studies on a compound useful as an active ingredient of a pharmaceutical composition for treatment of cancer related to activation of immune cells or cancer having resistance to anti-PD-1 antibody/anti-PD-L1 antibody therapy, and found that a pyridazinyl-thiazolecarboxamide compound has DGK ? (DGKzeta) inhibitory effect, leading to completion of the present invention. The pyridazinyl-thiazolecarboxamide compound of the present invention has DGK ? inhibitory effect, and can be used as a therapeutic agent for treatment of cancer related to activation of immune cells or cancer having resistance to anti-PD-1 antibody/anti-PD-L1 antibody therapy.Type: GrantFiled: December 24, 2020Date of Patent: February 18, 2025Assignees: Astellas Pharma Inc., KOTOBUKI PHARMACEUTICAL CO., LTD.Inventors: Hideyuki Watanabe, Yohei Seki, Keiichiro Okuyama, Kazuo Kurosawa, Osamu Ikeda, Hiroshi Tomiyama, Yoshinori Iwai, Akihiko Nakamura, Kozo Miyasaka
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Patent number: 12077519Abstract: A compound useful as an active ingredient of a pharmaceutical composition for treatment of cancer related to activation of immune cells or cancer resistant to anti-PD-1 antibody/anti-PD-L1 antibody therapy is provided. The present inventors have conducted studies on a compound useful as an active ingredient of a pharmaceutical composition for treatment of cancer related to activation of immune cells or cancer resistant to anti-PD-1 antibody/anti-PD-L1 antibody therapy, and confirmed that a heteroaryl carboxamide compound has DGK ? (DGKzeta) inhibitory effect, leading to completion of the present invention. The heteroaryl carboxamide compound of the present invention has DGK ? inhibitory effect, and can be used as a therapeutic agent for treatment of cancer related to activation of immune cells or cancer resistant to anti-PD-1 antibody/anti-PD-L1 antibody therapy.Type: GrantFiled: November 28, 2023Date of Patent: September 3, 2024Assignees: Astellas Pharma Inc., KOTOBUKI PHARMACEUTICAL CO., LTD.Inventors: Hideyuki Watanabe, Takashi Kamikubo, Akio Kamikawa, Takuya Washio, Yohei Seki, Keiichiro Okuyama, Osamu Ikeda, Hiroshi Tomiyama, Yoshinori Iwai, Akihiko Nakamura, Kozo Miyasaka
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Publication number: 20240101532Abstract: A compound useful as an active ingredient of a pharmaceutical composition for treatment of cancer related to activation of immune cells or cancer resistant to anti-PD-1 antibody/anti-PD-L1 antibody therapy is provided. The present inventors have conducted studies on a compound useful as an active ingredient of a pharmaceutical composition for treatment of cancer related to activation of immune cells or cancer resistant to anti-PD-1 antibody/anti-PD-L1 antibody therapy, and confirmed that a heteroaryl carboxamide compound has DGK ? (DGKzeta) inhibitory effect, leading to completion of the present invention. The heteroaryl carboxamide compound of the present invention has DGK ? inhibitory effect, and can be used as a therapeutic agent for treatment of cancer related to activation of immune cells or cancer resistant to anti-PD-1 antibody/anti-PD-L1 antibody therapy.Type: ApplicationFiled: November 28, 2023Publication date: March 28, 2024Inventors: Hideyuki Watanabe, Takashi Kamikubo, Akio Kamikawa, Takuya Washio, Yohei Seki, Keiichiro Okuyama, Osamu Ikeda, Hiroshi Tomiyama, Yoshinori Iwai, Akihiko Nakamura, Kozo Miyasaka
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Publication number: 20240043403Abstract: A compound useful as an active ingredient of a pharmaceutical composition for treatment of cancer related to activation of immune cells or cancer resistant to anti-PD-1 antibody/anti-PD-L1 antibody therapy is provided. The present inventors have conducted studies on a compound useful as an active ingredient of a pharmaceutical composition for treatment of cancer related to activation of immune cells or cancer resistant to anti-PD-1 antibody/anti-PD-L1 antibody therapy, and confirmed that a heteroaryl carboxamide compound has DGK ? (DGKzeta) inhibitory effect, leading to completion of the present invention. The heteroaryl carboxamide compound of the present invention has DGK ? inhibitory effect, and can be used as a therapeutic agent for treatment of cancer related to activation of immune cells or cancer resistant to anti-PD-1 antibody/anti-PD-L1 antibody therapy.Type: ApplicationFiled: November 29, 2021Publication date: February 8, 2024Inventors: Hideyuki Watanabe, Takashi Kamikubo, Akio Kamikawa, Takuya Washio, Yohei Seki, Keiichiro Okuyama, Osamu Ikeda, Hiroshi Tomiyama, Yoshinori Iwai, Akihiko Nakamura, Kozo Miyasaka
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Publication number: 20220315603Abstract: A compound useful as an active ingredient of a pharmaceutical composition for treatment of cancer related to activation of immune cells or cancer having resistance to anti-PD-1 antibody/anti-PD-L1 antibody therapy is provided. The present inventors have conducted studies on a compound useful as an active ingredient of a pharmaceutical composition for treatment of cancer related to activation of immune cells or cancer having resistance to anti-PD-1 antibody/anti-PD-L1 antibody therapy, and found that a pyridazinyl-thiazolecarboxamide compound has DGK ? (DGKzeta) inhibitory effect, leading to completion of the present invention. The pyridazinyl-thiazolecarboxamide compound of the present invention has DGK ? inhibitory effect, and can be used as a therapeutic agent for treatment of cancer related to activation of immune cells or cancer having resistance to anti-PD-1 antibody/anti-PD-L1 antibody therapy.Type: ApplicationFiled: December 24, 2020Publication date: October 6, 2022Inventors: Hideyuki Watanabe, Yohei Seki, Keiichiro Okuyama, Kazuo Kurosawa, Osamu lkeda, Hiroshi Tomiyama, Yoshinori Iwai, Akihiko Nakamura, Kozo Miyasaka
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Publication number: 20170175836Abstract: A piston manufacturing device includes a first forming device (42) configured to form an annular groove (61) in a piston (11), and a second forming device (52) configured to press an edge (15) of an opening (14) of the piston (11) toward other end side in an axial direction of the piston (11) and to form a thick section (65) extruded from an inner circumferential surface (12b) arranged between the edge (15) and the groove (61) toward an axial center side of the piston (11), wherein a recessed section (53) is formed at a portion of the second forming device (52) that is arranged to abut the edge (15) so that an inner circumferential side of the edge (15) is plastically deformed toward the other end side in an axial direction of the piston (11).Type: ApplicationFiled: April 9, 2015Publication date: June 22, 2017Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Yoshinori IWAI, Hiroshi OHTA
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Publication number: 20170152232Abstract: As a result of studies on compounds having FGFR inhibitory action, the present inventors have found that the nitrogen-containing aromatic heterocyclic compounds of the present invention have inhibitory action on FGFR1, FGFR2, and/or FGFR3, particularly, mutant FGFR3, and thus, the present invention has been accomplished. The nitrogen-containing aromatic heterocyclic compound of the present invention can be used as a therapeutic agent for various cancers related to FGFR1, FGFR2, and/or FGFR3, such as lung cancer and hormone therapy-resistant breast cancer, stomach cancer, triple negative breast cancer, endometrial cancer, bladder cancer, and glioblastoma, particularly as a prophylactic and/or therapeutic agent for mutant FGFR3-positive bladder cancer.Type: ApplicationFiled: September 27, 2016Publication date: June 1, 2017Applicants: Astellas Pharma Inc., Kotobuki Pharmaceutical Co., Ltd.Inventors: Minoru KAMEDA, Ikumi KURIWAKI, Kazuhiko IIKUBO, Hiroyuki HISAMICHI, Yuichiro KAWAMOTO, Hiroyuki MORITOMO, Tomoyuki SUZUKI, Takashi FUTAMI, Atsushi SUZUKI, Kazuhisa TSUNOYAMA, Makoto ASAUMI, Hiroshi TOMIYAMA, Atsushi NODA, Yoshinori IWAI, Kazuo TOKUZAKI, Haruki OKADA, Kozo MIYASAKA
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Patent number: 9487491Abstract: Provided is a compound useful as an inhibitor against the kinase activity of EML4-ALK fusion protein. As a result of intensive and extensive studies on compounds having inhibitory activity against the kinase activity of EML4-ALK fusion protein, the present inventors found that the diamino heterocyclic carboxamide compounds of the present invention had inhibitory activity against the kinase activity of EML4-ALK fusion protein. By this finding, the present invention was completed. The compounds of the present invention can be used as a pharmaceutical composition for preventing and/or treating cancer, such as lung cancer, non-small cell lung cancer, and small cell lung cancer.Type: GrantFiled: August 29, 2014Date of Patent: November 8, 2016Assignees: ASTELLAS PHARMA INC., KOTOBUKI PHARMACEUTICAL CO., LTD.Inventors: Itsuro Shimada, Kazuo Kurosawa, Takahiro Matsuya, Kazuhiko Iikubo, Yutaka Kondoh, Akio Kamikawa, Hiroshi Tomiyama, Yoshinori Iwai
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Patent number: 9464077Abstract: Provided is a compound useful as a prophylactic and/or therapeutic agent for bladder cancer. As a result of studies on compounds having FGFR inhibitory action, the present inventors have found that the nitrogen-containing aromatic heterocyclic compounds of the present invention have inhibitory action on FGFR1, FGFR2, and/or FGFR3, particularly, mutant FGFR3, and thus, the present invention has been accomplished. The nitrogen-containing aromatic heterocyclic compound of the present invention can be used as a therapeutic agent for various cancers related to FGFR1, FGFR2, and/or FGFR3, such as lung cancer and hormone therapy-resistant breast cancer, stomach cancer, triple negative breast cancer, endometrial cancer, bladder cancer, and glioblastoma, particularly as a prophylactic and/or therapeutic agent for mutant FGFR3-positive bladder cancer.Type: GrantFiled: February 26, 2013Date of Patent: October 11, 2016Assignees: Astellas Pharma Inc., KOTOBUKI PHARMACEUTICAL CO., LTD.Inventors: Minoru Kameda, Ikumi Kuriwaki, Kazuhiko Iikubo, Hiroyuki Hisamichi, Yuichiro Kawamoto, Hiroyuki Moritomo, Tomoyuki Suzuki, Takashi Futami, Atsushi Suzuki, Kazuhisa Tsunoyama, Makoto Asaumi, Hiroshi Tomiyama, Atsushi Noda, Yoshinori Iwai, Kazuo Tokuzaki, Haruki Okada, Kozo Miyasaka
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Patent number: 8969336Abstract: Provided is a compound useful as an inhibitor against the kinase activity of EML4-ALK fusion protein. As a result of intensive and extensive studies on compounds having inhibitory activity against the kinase activity of EML4-ALK fusion protein, the present inventors found that the diamino heterocyclic carboxamide compounds of the present invention had inhibitory activity against the kinase activity of EML4-ALK fusion protein. By this finding, the present invention was completed. The compounds of the present invention can be used as a pharmaceutical composition for preventing and/or treating cancer, such as lung cancer, non-small cell lung cancer, and small cell lung cancer.Type: GrantFiled: May 6, 2010Date of Patent: March 3, 2015Assignees: Astellas Pharma Inc., Kotobuki Pharmaceutical Co., Ltd.Inventors: Itsuro Shimada, Kazuo Kurosawa, Takahiro Matsuya, Kazuhiko Iikubo, Yutaka Kondoh, Akio Kamikawa, Hiroshi Tomiyama, Yoshinori Iwai
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Publication number: 20140371196Abstract: Provided is a compound useful as an inhibitor against the kinase activity of EML4-ALK fusion protein. As a result of intensive and extensive studies on compounds having inhibitory activity against the kinase activity of EML4-ALK fusion protein, the present inventors found that the diamino heterocyclic carboxamide compounds of the present invention had inhibitory activity against the kinase activity of EML4-ALK fusion protein. By this finding, the present invention was completed. The compounds of the present invention can be used as a pharmaceutical composition for preventing and/or treating cancer, such as lung cancer, non-small cell lung cancer, and small cell lung cancer.Type: ApplicationFiled: August 29, 2014Publication date: December 18, 2014Applicants: ASTELLAS PHARMA INC., KOTOBUKI PHARMACEUTICAL CO., LTD.Inventors: Itsuro SHIMADA, Kazuo KUROSAWA, Takahiro MATSUYA, Kazuhiko IIKUBO, Yutaka KONDOH, Akio KAMIKAWA, Hiroshi TOMIYAMA, Yoshinori IWAI
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Publication number: 20140142084Abstract: Provided is a compound useful as a prophylactic and/or therapeutic agent for bladder cancer. As a result of studies on compounds having FGFR inhibitory action, the present inventors have found that the nitrogen-containing aromatic heterocyclic compounds of the present invention have inhibitory action on FGFR1, FGFR2, and/or FGFR3, particularly, mutant FGFR3, and thus, the present invention has been accomplished. The nitrogen-containing aromatic heterocyclic compound of the present invention can be used as a therapeutic agent for various cancers related to FGFR1, FGFR2, and/or FGFR3, such as lung cancer and hormone therapy-resistant breast cancer, stomach cancer, triple negative breast cancer, endometrial cancer, bladder cancer, and glioblastoma, particularly as a prophylactic and/or therapeutic agent for mutant FGFR3-positive bladder cancer.Type: ApplicationFiled: February 26, 2013Publication date: May 22, 2014Applicants: KOTOBUKI PHARMACEUTICAL CO., LTD., Astellas Pharma Inc.Inventors: Minoru Kameda, Ikumi Kuriwaki, Kazuhiko Iikubo, Hiroyuki Hisamichi, Yuichiro Kawamoto, Hiroyuki Moritomo, Tomoyuki Suzuki, Takashi Futami, Atsushi Suzuki, Kazuhisa Tsunoyama, Makoto Asaumi, Hiroshi Tomiyama, Atsushi Noda, Yoshinori Iwai, Kazuo Tokuzaki, Haruki Okada, Kozo Miyasaka
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Publication number: 20120040968Abstract: Provided is a compound useful as an inhibitor against the kinase activity of EML4-ALK fusion protein. As a result of intensive and extensive studies on compounds having inhibitory activity against the kinase activity of EML4-ALK fusion protein, the present inventors found that the diamino heterocyclic carboxamide compounds of the present invention had inhibitory activity against the kinase activity of EML4-ALK fusion protein. By this finding, the present invention was completed. The compounds of the present invention can be used as a pharmaceutical composition for preventing and/or treating cancer, such as lung cancer, non-small cell lung cancer, and small cell lung cancer.Type: ApplicationFiled: May 6, 2010Publication date: February 16, 2012Applicant: Waters Technologies CorporationInventors: Itsuro Shimada, Kazuo Kurosawa, Takahiro Matsuya, Kazuhiko Iikubo, Yutaka Kondoh, Akio Kamikawa, Hiroshi Tomiyama, Yoshinori Iwai
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Patent number: 8044206Abstract: The invention provides a novel nitrogen-containing heterocyclic derivative having 2,6-disubstituted styryl and a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising the nitrogen-containing heterocyclic derivative and a pharmaceutically acceptable salt thereof, in particular, a pharmaceutical composition effective as a sodium channel inhibitor, having an excellent analgesic action especially on neuropathic pain with minimized side effects.Type: GrantFiled: March 5, 2004Date of Patent: October 25, 2011Assignees: Astellas Pharma Inc., Kotobuki Pharmaceutical Co., Ltd.Inventors: Kazumi Kikuchi, Makoto Oku, Jiro Fujiyasu, Norio Asai, Toshihiro Watanabe, Yukinori Nagakura, Hiroshi Tomiyama, Motoharu Sonegawa, Kazuo Tokuzaki, Yoshinori Iwai
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Publication number: 20110171192Abstract: A compound represented by following general formula (I): wherein, represents a single bond or a double bond; L represents —NH— or the like; X1 represents N or C, provided that in the case where X1 is N, X2 represents C—R and in the case where X1 is C, X2 represents N—R1 or the like; Y's may be either the same or different and represent CH2 or the like; A represents a non-natural sugar residue represented by following general formula: wherein, m represents 0 to 1; represents a single bond or a double bond; X represents O or the like; R3 to R8 may be either the same or different and represent hydroxy group or the like; and B represents a group represented by following general formula: wherein, n and k represent 0 to 5; represents a single bond or a double bond; Z1 to Z16 may be either the same or different and represent CH or the like; R10 and R11 may be either the same or different and represent a lower alkoxy group having 1 to 5 carbon atoms or the like; and R15 represents a hydrogen atom or thType: ApplicationFiled: August 27, 2009Publication date: July 14, 2011Inventors: Hiroshi Tomiyama, Kazuo Tokuzaki, Yoshinori Iwai
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Publication number: 20080070898Abstract: The piperidine derivative of the present invention in which the 4-position of the piperidine ring is bonded, via vinylene, to a mono-substituted (—R1) or unsubstituted benzene ring and the 1-position of the piperidine ring has an acyl group [—C(?O)—R4], or a pharmaceutically acceptable salt thereof has an excellent sodium channel inhibition action and an excellent analgesic action and shows a high analgesic effect particularly to neurogenic pain.Type: ApplicationFiled: August 31, 2005Publication date: March 20, 2008Inventors: Kazumi Kikuchi, Jiro Fujiyasu, Toshihiro Watanabe, Yukinori Nagakura, Hiroshi Tomiyama, Motoharu Sonegawa, Kazuo Tokuzaki, Yoshinori Iwai
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Publication number: 20070099956Abstract: The invention provides a novel nitrogen-containing heterocyclic derivative having 2,6-disubstituted styryl and a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising the nitrogen-containing heterocyclic derivative and a pharmaceutically acceptable salt thereof, in particular, a pharmaceutical composition effective as a sodium channel inhibitor, having an excellent analgesic action especially on neuropathic pain with minimized side effects.Type: ApplicationFiled: March 5, 2004Publication date: May 3, 2007Inventors: Kazumi Kikuchi, Makoto Oku, Jiro Fujiyasu, Norio Asai, Toshihiro Watana, Yukinori Nagakura, Hiroshi Tomiyama, Motoharu Sonegawa, Kazuo Tokuzaki, Yoshinori Iwai