Patents by Inventor Motohiro Itotani
Motohiro Itotani 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: 10626095Abstract: This invention relates to a cyanotriazole compound represented by the formula (1): wherein each symbols are defined in the specification, or a salt thereof. The compound or a salt thereof stimulates the citric acid cycle activity and/or improves hyperglycemia with less side effects, and excellent safety, and therefore, it is useful for treating and/or preventing diseases or disorders on which citric acid cycle activation and/or improvement of hyperglycemia has a prophylactic and/or therapeutic effect, for example, diabetes, impaired glucose tolerance, insulin resistance, diabetic complications, obesity, dyslipidemia, hepatic steatosis, atherosclerosis and/or cardiovascular disease, as well as diseases or disorders that would benefit from stimulating energy expenditure.Type: GrantFiled: July 16, 2014Date of Patent: April 21, 2020Assignee: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Seiji Sato, Satoshi Matsuda, Chiharu Matsumura, Motohiro Itotani, Toshio Shinohara, Shigekazu Fujita, Yohji Sakurai, Kuninori Tai, Tae Fukushima, Naohide Kanemoto, Takashi Okamoto
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Patent number: 10464926Abstract: It is an object of the present invention to provide a compound having an excellent antibacterial activity against tuberculosis bacteria, multidrug-resistant tuberculosis bacteria and/or non-tuberculous mycobacteria. Disclosed is a compound of the general formula (1): wherein each symbol is defined as described in the attached specification, or a salt thereof.Type: GrantFiled: July 9, 2018Date of Patent: November 5, 2019Assignee: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Hiroshi Shimizu, Yoshikazu Kawano, Shunpei Ishikawa, Yukitaka Uematsu, Toshio Shinohara, Motohiro Itotani, Yoshikazu Haraguchi, Isao Takemura, Atsunori Kaneshige, Yuya Nakai, Norimitsu Hariguchi, Yohei Hayashi, Makoto Matsumoto
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Publication number: 20180312488Abstract: It is an object of the present invention to provide a compound having an excellent antibacterial activity against tuberculosis bacteria, multidrug-resistant tuberculosis bacteria and/or non-tuberculous mycobacteria. Disclosed is a compound of the general formula (1): wherein each symbol is defined as described in the attached specification, or a salt thereof.Type: ApplicationFiled: July 9, 2018Publication date: November 1, 2018Applicant: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Hiroshi SHIMIZU, Yoshikazu KAWANO, Shunpei ISHIKAWA, Yukitaka UEMATSU, Toshio SHINOHARA, Motohiro ITOTANI, Yoshikazu HARAGUCHI, Isao TAKEMURA, Atsunori KANESHIGE, Yuya NAKAI, Norimitsu HARIGUCHI, Yohei HAYASHI, Makoto MATSUMOTO
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Patent number: 10053446Abstract: It is an object of the present invention to provide a compound having an excellent antibacterial activity against tuberculosis bacteria, multidrug-resistant tuberculosis bacteria and/or non-tuberculous mycobacteria. Disclosed is a compound of the general formula (1): wherein each symbol is defined as described in the attached specification, or a salt thereof.Type: GrantFiled: August 28, 2015Date of Patent: August 21, 2018Assignee: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Hiroshi Shimizu, Yoshikazu Kawano, Shunpei Ishikawa, Yukitaka Uematsu, Toshio Shinohara, Motohiro Itotani, Yoshikazu Haraguchi, Isao Takemura, Atsunori Kaneshige, Yuya Nakai, Norimitsu Hariguchi, Yohei Hayashi, Makoto Matsumoto
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Publication number: 20170253576Abstract: It is an object of the present invention to provide a compound having an excellent antibacterial activity against tuberculosis bacteria, multidrug-resistant tuberculosis bacteria and/or non-tuberculous mycobacteria. Disclosed is a compound of the general formula (1): wherein each symbol is defined as described in the attached specification, or a salt thereof.Type: ApplicationFiled: August 28, 2015Publication date: September 7, 2017Applicant: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Hiroshi SHIMIZU, Yoshikazu KAWANO, Shunpei ISHIKAWA, Yukitaka UEMATSU, Toshio SHINOHARA, Motohiro ITOTANI, Yoshikazu HARAGUCHI, Isao TAKEMURA, Atsunori KANESHIGE, Yuya NAKAI, Norimitsu HARIGUCHI, Yohei HAYASHI, Makoto MATSUMOTO
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Patent number: 9538095Abstract: A welding camera (1) is constructed with: a lens (11) for focusing incident light; an optical filter (12) that comprises a neutral density filter for reducing the amount of the incident light, an ultraviolet cut filter for cutting ultraviolet rays, and a green band-pass filter for transmitting green light; a CMOS imaging unit (13) that has a wide dynamic range function, and detects the light which has passed the optical filter (12); a video signal processing unit (14) that has an automatic gain control function and a digital signal processor, and outputs an image signal, which covers a range of a low-intensity dark part to high-intensity arc light, to a display unit on the basis of an electric signal that is input from the CMOS imaging unit (13).Type: GrantFiled: March 25, 2013Date of Patent: January 3, 2017Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Naoki Suda, Tomoaki Wakayama, Motohiro Itotani, Hiroshi Yatabe, Shin-ichi Imayoshi
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Patent number: 9051333Abstract: The present invention provides a novel 6,7-dihydroimidazo[2,1-b][1,3]oxazine compound that has excellent bactericidal action against tubercle bacilli, multidrug-resistant tubercle bacilli, and atypical acid-fast bacilli. Specifically, the present invention provides a compound represented by Formula (1): or a salt thereof, wherein R1 represents tetrahydroisoquinolyl, tetrahydroquinolyl, tetrahydrobenzoazepinyl, benzoxazolyl, benzothiazolyl, indolyl, isoindolinyl, naphthyl, quinolyl, phenyl, biphenylyl, or pyridyl, these groups being optionally substituted, the phenyl, biphenylyl, and pyridyl represented by R1 each being substituted directly or via a linker with at least one group selected from the group consisting of tetrahydropyridyl, diazepanyl, diazabicycloheptanyl, tetrahydrotriazolopyrazinyl, tetrahydroimidazopyrazinyl, azabicyclooctanyl, oxazolyl, piperazinyl, piperidyl, thiazolyl, and the like, each of these groups being optionally substituted; and R2 represents hydrogen or lower alkyl.Type: GrantFiled: April 13, 2012Date of Patent: June 9, 2015Assignee: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Yoshikazu Kawano, Yoshikazu Haraguchi, Hirofumi Sasaki, Yukitaka Uematsu, Hidetsugu Tsubouchi, Hiromi Yata, Hiroshi Shimizu, Kazuho Kohashi, Motohiro Itotani, Kuninori Tai, Isao Takemura, Mikayo Hayashi, Hiroyuki Hashizume, Miki Matsuba, Izuru Nakamura, Xiuhao Chen, Makoto Matsumoto
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Publication number: 20150062327Abstract: A welding camera (1) is constructed with: a lens (11) for focusing incident light; an optical filter (12) that comprises a neutral density filter for reducing the amount of the incident light, an ultraviolet cut filter for cutting ultraviolet rays, and a green band-pass filter for transmitting green light; a CMOS imaging unit (13) that has a wide dynamic range function, and detects the light which has passed the optical filter (12); a video signal processing unit (14) that has an automatic gain control function and a digital signal processor, and outputs an image signal, which covers a range of a low-intensity dark part to high-intensity arc light, to a display unit on the basis of an electric signal that is input from the CMOS imaging unit (13).Type: ApplicationFiled: March 25, 2013Publication date: March 5, 2015Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Naoki Suda, Tomoaki Wakayama, Motohiro Itotani, Hiroshi Yatabe, Shin-ichi Imayoshi
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Publication number: 20140343277Abstract: The present invention provides a novel diazepine compound that blocks the IKur current or the Kv1.5 channel potently and more selectively than other K+ channels. The present invention relates to a diazepine compound represented by General Formula (1) or a salt thereof, wherein R1, R2, R3, and R4 are each independently hydrogen, lower alkyl, cyclo lower alkyl or lower alkoxy lower alkyl; R2 and R3 may be linked to form lower alkylene; A1 is lower alkylene optionally substituted with one or more substituents selected from the group consisting of hydroxyl and oxo; Y1 and Y2 are each independently —N? or —CH?; and R5 is group represented by wherein R6 and R7 are each independently hydrogen or organic group; R6 and R7 may be linked to form a ring together with the neighboring group —XA—N—XB—; XA and XB are each independently a bond, lower alkylene, etc.Type: ApplicationFiled: June 25, 2014Publication date: November 20, 2014Inventors: Shinichi TAIRA, Kunio OSHIMA, Takashi OSHIYAMA, Yasuhiro MENJO, Yasuo KOGA, Hokuto YAMABE, Sunao NAKAYAMA, Kenji TSUJIMAE, Toshiyuki ONOGAWA, Kuninori TAI, Motohiro ITOTANI
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Publication number: 20140031342Abstract: The present invention provides a novel 6,7-dihydroimidazo[2,1-b][1,3]oxazine compound that has excellent bactericidal action against tubercle bacilli, multidrug-resistant tubercle bacilli, and atypical acid-fast bacilli. Specifically, the present invention provides a compound represented by Formula (1): or a salt thereof, wherein R1 represents tetrahydroisoquinolyl, tetrahydroquinolyl, tetrahydrobenzoazepinyl, benzoxazolyl, benzothiazolyl, indolyl, isoindolinyl, naphthyl, quinolyl, phenyl, biphenylyl, or pyridyl, these groups being optionally substituted, the phenyl, biphenylyl, and pyridyl represented by R1 each being substituted directly or via a linker with at least one group selected from the group consisting of tetrahydropyridyl, diazepanyl, diazabicycloheptanyl, tetrahydrotriazolopyrazinyl, tetrahydroimidazopyrazinyl, azabicyclooctanyl, oxazolyl, piperazinyl, piperidyl, thiazolyl, and the like, each of these groups being optionally substituted; and R2 represents hydrogen or lower alkyl.Type: ApplicationFiled: April 13, 2012Publication date: January 30, 2014Applicant: Otsuka Pharmaceutical Co., Ltd.Inventors: Yoshikazu Kawano, Yoshikazu Haraguchi, Hirofumi Sasaki, Yukitaka Uematsu, Hidetsugu Tsubouchi, Hiromi Yata, Hiroshi Shimizu, Kazuho Kohashi, Motohiro Itotani, Kuninori Tai, Isao Takemura, Mikayo Hayashi, Hiroyuki Hashizume, Miki Matsuba, Izuru Nakamura, Xiuhao Chen, Makoto Matsumoto
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Publication number: 20140031334Abstract: A heterocyclic compound or a salt thereof represented by the formula (1): where R2 represents a hydrogen atom or a lower alkyl group; A represents a lower alkylene group or lower alkenylene group; and R1 represents an aromatic group or a heterocyclic group. The compound of the present invention has a wide treatment spectrum for mental disorders including central nervous system disorders, no side effects and high safety.Type: ApplicationFiled: September 20, 2013Publication date: January 30, 2014Applicant: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Hiroshi YAMASHITA, Hideaki KURODA, Nobuaki ITO, Kunio OSHIMA, Jun MATSUBARA, Tae FUKUSHIMA, Satoshi SHIMIZU, Kazumi KONDO, Motohiro ITOTANI
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Publication number: 20120225866Abstract: The present invention provides a novel diazepine compound that blocks the IKur current or the Kv1.5 channel potently and more selectively than other K+ channels. The present invention relates to a diazepine compound represented by General Formula (1) or a salt thereof, wherein R1, R2, R3, and R4 are each independently hydrogen, lower alkyl, cyclo lower alkyl or lower alkoxy lower alkyl; R2 and R3 may be linked to form lower alkylene; A1 is lower alkylene optionally substituted with one or more substituents selected from the group consisting of hydroxyl and oxo; Y1 and Y2 are each independently —N? or —CH?; and R5 is group represented by wherein R6 and R7 are each independently hydrogen or organic group; R6 and R7 may be linked to form a ring together with the neighboring group —XA—N—XB—; XA and XB are each independently a bond, lower alkylene, etc.Type: ApplicationFiled: August 20, 2010Publication date: September 6, 2012Applicant: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Kunio Oshima, Shuuji Matsumura, Hokuto Yamabe, Naohiro Isono, Noriaki Takemura, Shinichi Taira, Takashi Oshiyama, Yasuhiro Menjo, Tsuyoshi Nagase, Masataka Ueda, Yasuo Koga, Sunao Nakayama, Kenji Tsujimae, Toshiyuki Onogawa, Kuninori Tai, Motohiro Itotani
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Patent number: 8163753Abstract: The present invention provides a 2,3-dihydro-6-nitroimidazo[2,1-b]oxazole compound represented by the following general formula: (1) in the above formula (1), R1 represents a hydrogen atom or C1-C6 alkyl group, n represents an integer of 0 to 6, R1 and —(CH2)nR2 may form a spiro ring represented by the formula (30) below, together with the adjacent carbon atom (in the formula below, RRR represents a piperidyl group which may have substituents on the piperidine ring), (30) and R2 represents a benzothiazolyloxy group, quinolyloxy group, pyridyloxy group or the like. The present compound has an excellent bactericidal action against Mycobacterium tuberculosis, multi-drug-resistant Mycobacterium tuberculosis, and atypical acid-fast bacteria.Type: GrantFiled: October 29, 2004Date of Patent: April 24, 2012Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Hidetsugu Tsubouchi, Hirofumi Sasaki, Motohiro Itotani, Yoshikazu Haraguchi, Shin Miyamura, Makoto Matsumoto, Hiroyuki Hashizume, Tatsuo Tomishige, Masanori Kawasaki, Kinue Ohguro, Takumi Sumida, Takeshi Hasegawa, Kazuho Tanaka, Isao Takemura
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Publication number: 20120028920Abstract: A heterocyclic compound or a salt thereof represented by the formula (1): where R2 represents a hydrogen atom or a lower alkyl group; A represents a lower alkylene group or lower alkenylene group; and R1 represents an aromatic group or a heterocyclic group. The compound of the present invention has a wide treatment spectrum for mental disorders including central nervous system disorders, no side effects and high safety.Type: ApplicationFiled: October 11, 2011Publication date: February 2, 2012Inventors: Hiroshi YAMASHITA, Hideaki Kuroda, Nobuaki Ito, Shin Miyamura, Kunio Oshima, Jun Matsubara, Haruka Takahashi, Tae Fukushima, Satoshi Shimizu, Kazumi Kondo, Yohji Sakurai, Takeshi Kuroda, Shinichi Taira, Motohiro Itotani, Tatsuyoshi Tanaka
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Patent number: 8071600Abstract: A heterocyclic compound or a salt thereof represented by the formula (1): where R2 represents a hydrogen atom or a lower alkyl group; A represents a lower alkylene group or lower alkenylene group; and R1 represents an aromatic group or a heterocyclic group. The compound of the present invention has a wide treatment spectrum for mental disorders including central nervous system disorders, no side effects and high safety.Type: GrantFiled: August 31, 2006Date of Patent: December 6, 2011Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Hiroshi Yamashita, Hideaki Kuroda, Nobuaki Ito, Shin Miyamura, Kunio Oshima, Jun Matsubara, Haruka Takahashi, Tae Fukushima, Satoshi Shimizu, Kazumi Kondo, Yohji Sakurai, Takeshi Kuroda, Shinichi Taira, Motohiro Itotani, Tatsuyoshi Tanaka
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Publication number: 20090264404Abstract: A heterocyclic compound or a salt thereof represented by the formula (1): where R2 represents a hydrogen atom or a lower alkyl group; A represents a lower alkylene group or lower alkenylene group; and R1 represents an aromatic group or a heterocyclic group. The compound of the present invention has a wide treatment spectrum for mental disorders including central nervous system disorders, no side effects and high safety.Type: ApplicationFiled: August 31, 2006Publication date: October 22, 2009Inventors: Hiroshi Yamashita, Hideaki Kuroda, Nobuaki Ito, Shin Miyamura, Kunio Oshima, Jun Matsubara, Haruka Takahashi, Tae Fukushima, Satoshi Shimizu, Kazumi Kondo, Yohji Sakurai, Takeshi Kuroda, Shinichi Taira, Motohiro Itotani, Tatsuyoshi Tanaka
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Publication number: 20080119478Abstract: The present invention provides a 2,3-dihydro-6-nitroimidazo[2,1-b]oxazole compound represented by the following general formula: (1) in the above formula (1), R1 represents a hydrogen atom or C1-C6 alkyl group, n represents an integer of 0 to 6, R1 and —(CH2)nR2 may form a spiro ring represented by the formula (30) below, together with the adjacent carbon atom (in the formula below, RRR represents a piperidyl group which may have substituents on the piperidine ring), (30) and R2 represents a benzothiazolyloxy group, quinolyloxy group, pyridyloxy group or the like. The present compound has an excellent bactericidal action against Mycobacterium tuberculosis, multi-drug-resistant Mycobacterium tuberculosis, and atypical acid-fast bacteria.Type: ApplicationFiled: October 29, 2004Publication date: May 22, 2008Inventors: Hidetsugu Tsubouchi, Hirofumi Sasaki, Motohiro Itotani, Yoshikazu Haraguchi, Shin Miyamura, Makoto Matsumoto, Hiroyuki Hashizume, Tatsuo Tomishige, Masanori Kawasaki, Kinue Ohguro, Takumi Sumida, Takeshi Hasegawa, Kazuho Tanaka, Isao Takemura
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Patent number: 7262212Abstract: The present invention provides a 2,3-dihydro-6-nitroimidazo[2,1-b]oxazole compound represented by the following general formula: wherein R1 represents a hydrogen atom or C1-C6 alkyl group, n represents an integer of 0 to 6, R2 represents a group —OR3 or the like, and R3 represents a hydrogen atom, C1-C6 alkyl group or the like, or R1 and —(CH2)nR2 may bind to each other together with carbon atoms adjacent thereto through nitrogen atoms so as to form a spiro ring represented by the general formula (H): wherein R41 is hydrogen, C1-C6 alkyl group or the like. The present compound has an excellent bactericidal action against Mycobacterium tuberculosis, multi-drug-resistant Mycobacterium tuberculosis, and atypical acid-fast bacteria.Type: GrantFiled: October 10, 2003Date of Patent: August 28, 2007Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Hidetsugu Tsubouchi, Hirofumi Sasaki, Hideaki Kuroda, Motohiro Itotani, Takeshi Hasegawa, Yoshikazu Haraguchi, Takeshi Kuroda, Takayuki Matsuzaki, Kuninori Tai, Makoto Komatsu, Makoto Matsumoto, Hiroyuki Hashizume, Tatsuo Tomishige, Yuji Seike, Masanori Kawasaki, Takumi Sumida, Shin Miyamura
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Publication number: 20060094767Abstract: The present invention provides a 2,3-dihydro-6-nitroimidazo[2,1-b]oxazole compound represented by the following general formula: wherein R1 represents a hydrogen atom or C1-C6 alkyl group, n represents an integer of 0 to 6, R2 represents a group —OR3 or the like, and R3 represents a hydrogen atom, C1-C6 alkyl group or the like, or R1 and —(CH2)nR2 may bind to each other together with carbon atoms adjacent thereto through nitrogen atoms so as to form a spiro ring represented by the general formula (H): wherein R41 is hydrogen, C1-C6 alkyl group or the like. The present compound has an excellent bactericidal action against Mycobacterium tuberculosis, multi-drug-resistant Mycobacterium tuberculosis, and atypical acid-fast bacteria.Type: ApplicationFiled: October 10, 2003Publication date: May 4, 2006Inventors: Hidetsugu Tsubouchi, Hirofumi Sasaki, Hideaki Kuroda, Motohiro Itotani, Takeshi Hasegawa, Yoshikazu Haraguchi, Takeshi Kuroda, Takayuki Matsuzaki