Patents by Inventor Hisashi Tajima
Hisashi Tajima 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: 20240128325Abstract: According to one embodiment, a semiconductor structure includes a substrate including silicon crystal, a first layer including AlN crystal, and an intermediate region provided between the silicon crystal and the AlN crystal. The intermediate region includes Al and nitrogen. A direction from the silicon crystal to the AlN crystal is along a first direction. A third lattice plane spacing in the first direction of a lattice of Al atoms in the intermediate region is longer than a first lattice plane spacing in the first direction of the silicon crystal and longer than a second lattice plane spacing in the first direction of the AlN crystal.Type: ApplicationFiled: July 19, 2023Publication date: April 18, 2024Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATIONInventors: Hajime NAGO, Hisashi YOSHIDA, Jumpei TAJIMA, Toshiki HIKOSAKA
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Publication number: 20240116046Abstract: A sensor package 10 includes a plurality of sensors 19 and a container 18. Each of the sensors 19 detects a detection target component in the fluid. The container 18 includes an inner channel 21 and a first surface os1. The plurality of sensors 19 are provided in the inner channel 21. The inner channel 21 enables the fluid to flow. An inflow opening 25 to the inner channel 21 and an outflow opening 25 from the inner channel 21 are formed on the first surface os1. An electrode group electrically connected to the plurality of sensors 19 is provided on a surface different from the first surface os1 of the container 18.Type: ApplicationFiled: February 9, 2022Publication date: April 11, 2024Inventors: Hisashi SAKAI, Masahiko TAJIMA, Tadatomo MAEHARA, Masami YOSHIKAWA
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Patent number: 8518973Abstract: A compound having the following formula [I] or a pharmaceutically acceptable salt thereof: wherein A is an aromatic five-membered heterocycle which optionally is fused with a cycloalkane ring; B is an alkylene; R1 and R2 are hydrogen, hydroxyl, alkoxy, aryloxy, alkyl, cycloalkyl, aryl, heterocycle, amino, alkylamino, arylamino or acyl, or R1 and R2 join together to form a heterocycle; X and Y are hydrogen, halogen, hydroxyl, alkoxy, aryloxy, alkyl, cycloalkyl, aryl, mercapto, alkylthio, arylthio, carboxyl, an ester of carboxyl, an amide of carboxyl, cyano or nitro; p is 0, 1 or 2; and q is 0 or 1. The compound is useful for treating diseases in which angiogenesis or augmentation of vascular permeability is involved.Type: GrantFiled: April 18, 2012Date of Patent: August 27, 2013Assignee: Santen Pharmaceutical Co., Ltd.Inventors: Takahiro Honda, Hisashi Tajima, Yoshimasa Sasabuchi, Kenji Kawashima, Kazuyoshi Okamoto, Minoru Yamamoto, Masakazu Ban
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Patent number: 8507485Abstract: A method of treating a disease associated with angiogenesis by administering a therapeutically effective amount of a compound represented by the formula (1) or a salt thereof wherein the ring X represents R1 and R2 independently represent a hydrogen atom, an alkyl, an aryl or an aromatic heterocyclic; R3 represents a hydrogen atom, a halogen atom, a hydroxy, an alkoxy, an aryloxy, an alkyl, an aryl, an amino, an alkylamino, a cycloalkylamino, an arylamino, an alkylcarbonylamino, an arylcarbonylamino, a mercapto, an alkylthio, an arylthio, an alkylsulfinyl or a nonaromatic heterocyclic; A1 represents a sulfur atom, a sulfinyl or a sulfonyl; and A2 represents an alkylene.Type: GrantFiled: January 24, 2011Date of Patent: August 13, 2013Assignee: Santen Pharmaceutical Co., Ltd.Inventors: Hisashi Tajima, Takahiro Honda, Kenji Kawashima, Kazuyoshi Okamoto, Minoru Yamamoto
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Patent number: 8403100Abstract: A vehicle, such as a motorcycle, can include an exhaust pipe connected to a back or rear side of an engine of the vehicle. An intermediate portion of the exhaust pipe can extend along a side of the engine from a rear portion connected to the rear side of the engine. A front portion of the exhaust pipe can extend from the intermediate portion along a front of the engine, and an exhaust portion can extend from the intermediate portion along a side of the engine opposite to the intermediate portion side.Type: GrantFiled: February 11, 2011Date of Patent: March 26, 2013Assignee: Yamaha Motor Co., Ltd.Inventors: Masato Yokoi, Shidehiko Miyashiro, Hisashi Tajima
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Patent number: 8288380Abstract: A compound of formula (1): wherein R1 and R2 represent hydrogen, lower alkyl, lower alkenyl, lower alkynyl or R3 represents hydroxyl, lower alkoxy, lower cycloalkyloxy, aryloxy, carboxy, lower alkoxycarbonyl, or NRaRb of the formula R4 and R5 represent halogen, lower alkyl, hydroxyl, or lower alkoxy; R6 represents halogen, lower alkyl, aryl, heterocyclic, hydroxy, lower alkoxy, mercapto, lower alkylthio, lower alkylcarbonyl, amino, nitro or cyano; R7 represents lower alkyl, hydroxyl or lower alkoxy; Ra and Rb represent hydrogen or lower alkyl; ring A represents a cyclic hydrocarbon or a heterocyclic ring; ring B represents a heterocyclic ring; X represents lower alkylene; Z represents a single bond or lower alkylene; Y represents lower alkylene and W1—W2 represents CH—CH, or Y represents a single bond and W1—W2 represents N—CH, CH—N or CH—CH; and 1, m, n and o represent 0, 1, 2, or 3.Type: GrantFiled: April 17, 2012Date of Patent: October 16, 2012Assignee: Santen Pharmaceutical Co., Ltd.Inventors: Hiroyuki Mogi, Hisashi Tajima, Noriko Mishina, Yusuke Yamazaki, Shinji Yoneda, Katsuhiko Watanabe, Junko Fujikawa, Minoru Yamamoto
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Publication number: 20120202808Abstract: A compound of formula (1): wherein R1 and R2 represent hydrogen, lower alkyl, lower alkenyl, lower alkynyl or R3 represents hydroxyl, lower alkoxy, lower cycloalkyloxy, aryloxy, carboxy, lower alkoxycarbonyl, or NRaRb of the formula R4 and R5 represent halogen, lower alkyl, hydroxyl, or lower alkoxy; R6 represents halogen, lower alkyl, aryl, heterocyclic, hydroxy, lower alkoxy, mercapto, lower alkylthio, lower alkylcarbonyl, amino, nitro or cyano; R7 represents lower alkyl, hydroxyl or lower alkoxy; Ra and Rb represent hydrogen or lower alkyl; ring A represents a cyclic hydrocarbon or a heterocyclic ring; ring B represents a heterocyclic ring; X represents lower alkylene; Z represents a single bond or lower alkylene; Y represents lower alkylene and W1-W2 represents CH—CH, or represents a single bond and W1-W2 represents N—CH, CH—N or CH—CH; and 1, m, n and o represent 0, 1, 2, or 3.Type: ApplicationFiled: April 17, 2012Publication date: August 9, 2012Applicant: SANTEN PHARMACEUTICAL CO., LTD.Inventors: Hiroyuki Mogi, Hisashi Tajima, Noriko Mishina, Yusuke Yamazaki, Shinji Yoneda, Katsuhiko Watanabe, Junko Fujikawa, Minoru Yamamoto
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Publication number: 20120202817Abstract: A compound having the following formula [I] or a pharmaceutically acceptable salt thereof: wherein A is an aromatic five-membered heterocycle which optionally is fused with a cycloalkane ring; B is an alkylene; R1 and R2 are hydrogen, hydroxyl, alkoxy, aryloxy, alkyl, cycloalkyl, aryl, heterocycle, amino, alkylamino, arylamino or acyl, or R1 and R2 join together to form a heterocycle; X and Y are hydrogen, halogen, hydroxyl, alkoxy, aryloxy, alkyl, cycloalkyl, aryl, mercapto, alkylthio, arylthio, carboxyl, an ester of carboxyl, an amide of carboxyl, cyano or nitro; p is 0, 1 or 2; and q is 0 or 1. The compound is useful for treating diseases in which angiogenesis or augmentation of vascular permeability is involved.Type: ApplicationFiled: April 18, 2012Publication date: August 9, 2012Applicant: SANTEN PHARMACEUTICAL CO., LTD.Inventors: Takahiro Honda, Hisashi Tajima, Yoshimasa Sasabuchi, Kenji Kawashima, Kazuyoshi Okamoto, Minoru Yamamoto, Masakazu Ban
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Patent number: 8207194Abstract: A compound having the following formula [I] or a pharmaceutically acceptable salt thereof: wherein A is benzene or an aromatic five-membered heterocycle which optionally is fused with a cycloalkane ring; B is an alkylene; R1 and R2 are hydrogen, hydroxy, alkoxy, aryloxy, alkyl, cycloalkyl, aryl, heterocycle, amino, alkylamino, arylamino or acyl, or R1 and R2 join together to form a heterocycle; X and Y are hydrogen, halogen, hydroxy, alkoxy, aryloxy, alkyl, cycloalkyl, aryl, mercapto, alkylthio, arylthio, carboxyl, an ester of carboxyl, an amide of carboxyl, cyano or nitro; p is 0, 1 or 2; and q is 0 or 1. The compound is useful for treating diseases in which angiogenesis or augmentation of vascular permeability is involved.Type: GrantFiled: March 10, 2009Date of Patent: June 26, 2012Assignee: Santen Pharmaceutical Co., Ltd.Inventors: Takahiro Honda, Hisashi Tajima, Yoshimasa Sasabuchi, Kenji Kawashima, Kazuyoshi Okamoto, Minoru Yamamoto, Masakazu Ban
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Patent number: 8198271Abstract: A compound having the following formula (1) or a salt thereof: wherein R1 and R2 represent hydrogen, a lower alkyl, a lower alkenyl, a lower alkynyl or a group having the following formula (2): (R6)n—{circle around (A)}—Z—??(2), R3 represents hydroxy, a lower alkoxy, a lower cycloalkyloxy, an aryloxy, carboxy, a lower alkoxycarbonyl, or —NRaRb having the following formula (3): (R7)o—{circle around (B)}—??(3), R4 and R5 represent halogen, a lower alkyl, hydroxy, or a lower alkoxy; R6 represents halogen, a lower alkyl, an aryl group, a heterocyclic, a hydroxy, a lower alkoxy, mercapto, a lower alkylthio, a lower alkylcarbonyl, amino, nitro or cyano; R7 represents a lower alkyl, hydroxy or a lower alkoxy; Ra and Rb represent hydrogen or a lower alkyl; the ring A represents a cyclic hydrocarbon or a heterocyclic ring; the ring B represents a heterocyclic ring having one or more heteroatoms selected from the group consisting of nitrogen and oxygen; X represents a lower alkylene; Y represents a lower alkyleType: GrantFiled: May 25, 2009Date of Patent: June 12, 2012Assignee: Santen Pharmaceutical Co., Ltd.Inventors: Hiroyuki Mogi, Hisashi Tajima, Noriko Mishina, Yusuke Yamazaki, Shinji Yoneda, Katsuhiko Watanabe, Junko Fujikawa, Minoru Yamamoto
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Patent number: 8076332Abstract: The present invention relates to a study on the synthesis of a novel N-(2-aminophenyl)benzamide derivative having an urea structure and represented by the general formula (1); and the utilization of a pharmacological effect of the derivative. A compound represented by the general formula (1) or a salt thereof has an effect of cellular morphological change on trabecular meshwork cells and is effective in the prevention and/or treatment of a disease considered to be related to intraocular pressure. In the formula, R1 and R2 represent a hydrogen atom, a lower alkyl group, or the like; R3 represents a hydroxy group, a lower alkoxy group, a lower cycloalkyloxy group, an aryloxy group, or the like; R4 and R5 represent a halogen atom, a lower alkyl group, a hydroxy group, a lower alkoxy group, or the like; X represents a lower alkylene group or the like; Y represents a single bond, a lower alkylene group, or the like; l and m represent 0, 1, 2, or the like.Type: GrantFiled: December 26, 2007Date of Patent: December 13, 2011Assignee: Santen Pharmaceutical Co., Ltd.Inventors: Hiroyuki Mogi, Hisashi Tajima, Noriko Mishina, Yusuke Yamazaki, Shinji Yoneda, Katsuhiko Watanabe, Junko Fujikawa, Minoru Yamamoto
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Patent number: 8012972Abstract: Objects of the present invention are to study the synthesis of a novel pyridinecarboxylic acid (2-aminophenyl)amide derivative having a novel urea structure and to find a pharmacological effect of the derivative. The invention provides a compound represented by the formula (1) or a salt thereof.Type: GrantFiled: March 28, 2008Date of Patent: September 6, 2011Assignee: Santen Pharmaceutical Co., Ltd.Inventors: Hiroyuki Mogi, Hisashi Tajima, Noriko Mishina, Yusuke Yamazaki, Shinji Yoneda, Katsuhiko Watanabe, Junko Fujikawa, Minoru Yamamoto
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Publication number: 20110192669Abstract: A vehicle, such as a motorcycle, can include an exhaust pipe connected to a back or rear side of an engine of the vehicle. An intermediate portion of the exhaust pipe can extend along a side of the engine from a rear portion connected to the rear side of the engine. A front portion of the exhaust pipe can extend from the intermediate portion along a front of the engine, and an exhaust portion can extend from the intermediate portion along a side of the engine opposite to the intermediate portion side.Type: ApplicationFiled: February 11, 2011Publication date: August 11, 2011Applicant: YAMAHA HATSUDOKI KABUSHIKI KAISHA (YAMAHA MOTOR CO., LTD.)Inventors: Masato YOKOI, Shidehiko Miyashiro, Hisashi Tajima
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Publication number: 20110124646Abstract: A method of treating a disease associated with angiogenesis by administering a therapeutically effective amount of a compound represented by the formula (1) or a salt thereof wherein the ring X represents R1 and R2 independently represent a hydrogen atom, an alkyl, an aryl or an aromatic heterocyclic; R3 represents a hydrogen atom, a halogen atom, a hydroxy, an alkoxy, an aryloxy, an alkyl, an aryl, an amino, an alkylamino, a cycloalkylamino, an arylamino, an alkylcarbonylamino, an arylcarbonylamino, a mercapto, an alkylthio, an arylthio, an alkylsulfinyl or a nonaromatic heterocyclic; A1 represents a sulfur atom, a sulfinyl or a sulfonyl; and A2 represents an alkylene.Type: ApplicationFiled: January 24, 2011Publication date: May 26, 2011Applicant: SANTEN PHARMACEUTICAL CO., LTD.Inventors: Hisashi Tajima, Takahiro Honda, Kenji Kawashima, Kazuyoshi Okamoto, Minoru Yamamoto
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Publication number: 20110077244Abstract: The present invention relates to synthetic studies of a novel thiophenediamine derivative having a urea structure and to finding pharmaceutical actions thereof. The present invention provides a compound represented by the following general formula (1) or a salt thereof. In the formula (1), R1 and R2 are the same or different and represent a hydrogen atom, a lower alkyl group which may have a substituent, etc. R3 represents a hydroxy group, a lower alkoxy group which may have a substituent, a lower cycloalkyloxy group which may have a substituent, etc. R4 and R5 are the same or different and represent a halogen atom, a lower alkyl group, a hydroxy group, etc. X represents a lower alkylene group which may have a substituent, etc. Y represents a single bond or a lower alkylene group which may have a substituent, etc. W1-W2 represents N—CH, CH—N, etc. and l and m are the same or different and represent 0, 1, etc.Type: ApplicationFiled: May 25, 2009Publication date: March 31, 2011Applicant: Santen Pharmaceutical Co., Ltd.Inventors: Hiroyaki Mogi, Hisashi Tajima, Noriko Mishina, Yusuke Yamazaki, Shinji Yoneda, Katsuhiko Watanabe
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Patent number: 7906511Abstract: The present invention has its object to study synthesis of novel cyclic compounds having a pyrimidinylalkylthio group and to find pharmacological actions of the compounds. According to the present invention, a compound represented by the formula (1) or a salt thereof is provided. In the formula, the ring X represents: R1 and R2 independently represent a hydrogen atom, an alkyl group, an aryl group, an aromatic heterocyclic group or the like; R3 represents a hydrogen atom, a halogen atom, a hydroxy group, an alkoxy group, an aryloxy group, an alkyl group, an aryl group, an amino group, an alkylamino group or the like; A1 represents a sulfur atom or the like; and A2 represents an alkylene group.Type: GrantFiled: March 31, 2006Date of Patent: March 15, 2011Assignee: Santen Pharmaceutical Co., Ltd.Inventors: Hisashi Tajima, Takahiro Honda, Kenji Kawashima, Kazuyoshi Okamoto, Minoru Yamamoto
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Patent number: 7897774Abstract: The present invention relates to a synthesis study of novel cyclic compounds having a quinolylalkylthio group represented by the formula (1), and pharmacological actions of the compounds. In the formula, the ring X represents: which may have halogen and/or alkyl; R1 and R2 independently represent hydrogen, alkyl, cycloalkyl, aryl or a (non) aromatic heterocycle; R3 represents qinolyl; A represents sulfur, sulfinyl or sulfonyl; and B represents alkylene.Type: GrantFiled: August 30, 2007Date of Patent: March 1, 2011Assignee: Santen Pharmaceutical Co., Ltd.Inventors: Kenji Kawashima, Takahiro Honda, Hisashi Tajima, Kazuyoshi Okamoto, Minoru Yamamoto
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Publication number: 20100056522Abstract: An object of the present invention is to find a novel pharmacological effect of a compound having an HDAC inhibitory effect. The compound having an HDAC inhibitory effect of the invention has an excellent effect of cell morphological change on trabecular meshwork cells and/or effect of intraocular pressure reduction, and is therefore useful as a preventive and/or therapeutic agent for a disease considered to be associated with aqueous humor circulation and/or intraocular pressure, particularly as a preventive and/or therapeutic agent for glaucoma or ocular hypertension.Type: ApplicationFiled: March 28, 2008Publication date: March 4, 2010Applicant: Santen Pharmaceutical Co., Ltd.Inventors: Shinji Yoneda, Koushi Fujisawa, Katsuhiko Watanabe, Junko Fujikawa, Atsushi Shimazaki, Tomoko Kirihara, Hisashi Tajima
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Publication number: 20090306077Abstract: The present invention relates to a study on the synthesis of a novel N-(2-aminophenyl)benzamide derivative having an urea structure and represented by the general formula (1); and the utilization of a pharmacological effect of the derivative. A compound represented by the general formula (1) or a salt thereof has an effect of cellular morphological change on trabecular meshwork cells and is effective in the prevention and/or treatment of a disease considered to be related to intraocular pressure. In the formula, R1 and R2 represent a hydrogen atom, a lower alkyl group, or the like; R3 represents a hydroxy group, a lower alkoxy group, a lower cycloalkyloxy group, an aryloxy group, or the like; R4 and R5 represent a halogen atom, a lower alkyl group, a hydroxy group, a lower alkoxy group, or the like; X represents a lower alkylene group or the like; Y represents a single bond, a lower alkylene group, or the like; l and m represent 0, 1, 2, or the like.Type: ApplicationFiled: December 26, 2007Publication date: December 10, 2009Inventors: Hiroyuki Mogi, Hisashi Tajima, Noriko Mishina, Yusuke Yamazaki, Shinji Yoneda, Katsuhiko Watanabe, Junko Fujikawa, Minoru Yamamoto
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Publication number: 20090291951Abstract: The present invention has its object to study synthesis of novel cyclic compounds having a pyrimidinylalkylthio group and to find pharmacological actions of the compounds. According to the present invention, a compound represented by the formula (1) or a salt thereof is provided. In the formula, the ring X represents: R1 and R2 independently represent a hydrogen atom, an alkyl group, an aryl group, an aromatic heterocyclic group or the like; R3 represents a hydrogen atom, a halogen atom, a hydroxy group, an alkoxy group, an aryloxy group, an alkyl group, an aryl group, an amino group, an alkylamino group or the like; A1 represents a sulfur atom or the like; and A2 represents an alkylene group.Type: ApplicationFiled: March 31, 2006Publication date: November 26, 2009Applicant: SATEN PHARMACEUTICAL CO., LTD.Inventors: Hisashi Tajima, Takahiro Honda, Kenji Kawashima, Kazuyoshi Okamoto, Minoru Yamamoto