Patents by Inventor Yasuhiro Iwata
Yasuhiro Iwata 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: 20230138851Abstract: The present invention provides a compound that has an inhibitory effect on DYRK and that is represented by general formula (I): wherein Q, R1, R2 and R3 are as defined in the description.Type: ApplicationFiled: January 28, 2021Publication date: May 4, 2023Applicant: CARNA BIOSCIENCES, INC.Inventors: Ayako SAWA, Wataru KAWAHATA, Yuko ASAMITSU, Masaaki SAWA, Yasuhiro IWATA, Hideki MORIYAMA, Shingo TOJO, Daisuke URABE
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Patent number: 11498247Abstract: An expanded particle producing apparatus includes a vessel and a blade stirrer that is located inside the vessel. The blade stirrer comprises a stirrer base and an impeller blade that is attached to the stirrer base. A distance from the bottom of the vessel to the center of the stirrer base (L1) and a depth of the vessel (L2) have a ratio (L1/L2) of 0.01 to 0.2. L1 is measured in a depth direction parallel to L2, and a central axis of the blade stirrer coincides with a central axis of the vessel. The apparatus is configured to produce expanded particles.Type: GrantFiled: December 26, 2018Date of Patent: November 15, 2022Assignee: KANEKA CORPORATIONInventor: Yasuhiro Iwata
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Patent number: 11448317Abstract: Provided is a side rail 1 having an outer peripheral surface 14, an inner peripheral surface 13, a first axial side surface 11, and a second axial side surface 12 parallel to the first axial side surface 11, in which, a beveled portion 30 is provided between the outer peripheral surface 14 and the second axial side surface 12, the beveled portion 30 is formed in a tapered surface having a diameter gradually decreasing from the first axial side surface 11 toward the second axial side surface in an axial direction; a tapered surface 30a is provided between a first tapered surface portion 30a1 with an angle of 10° or more to the axial direction and a second tapered surface portion 30a2 provided between the first tapered surface portion 30a1 and the outer peripheral surface 14 and having a smaller angle of inclination to the axial direction than that of the first tapered surface portion.Type: GrantFiled: September 25, 2018Date of Patent: September 20, 2022Assignee: KABUSHIKI KAISHA RIKENInventors: Yasuhiro Iwata, Hiroshi Shimizu, Yuichiro Takezawa
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Publication number: 20220250290Abstract: A method for producing expanded particles having a high expansion ratio by a pressure-release expansion with a simpler configuration and at a low facility cost is provided. A production device includes an expansion cylinder being provided with a connecting port that connects with open-system branch cylinder and having a space of a saturated steam atmosphere. The space of a saturated steam atmosphere may be a different space from a space inside the branch cylinder. A temperature (T1) inside the expansion chamber exceeds 102° C. and is not higher than a higher one of 108° C. and a temperature obtained by a melting point Tm of a thermoplastic resin minus 14° C. A temperature (T2) at a connecting port is not lower than 100° C., and the temperature (T1) is higher than the temperature (T2).Type: ApplicationFiled: April 28, 2022Publication date: August 11, 2022Applicant: KANEKA CORPORATIONInventors: Masahide Ebisui, Yasuhiro Iwata
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Publication number: 20200248808Abstract: Provided is a side rail 1 having an outer peripheral surface 14, an inner peripheral surface 13, a first axial side surface 11, and a second axial side surface 12 parallel to the first axial side surface 11, in which, a beveled portion 30 is provided between the outer peripheral surface 14 and the second axial side surface 12, the beveled portion 30 is formed in a tapered surface having a diameter gradually decreasing from the first axial side surface 11 toward the second axial side surface in an axial direction; a tapered surface 30a is provided between a first tapered surface portion 30a1 with an angle of 10° or more to the axial direction and a second tapered surface portion 30a2 provided between the first tapered surface portion 30a1 and the outer peripheral surface 14 and having a smaller angle of inclination to the axial direction than that of the first tapered surface portion.Type: ApplicationFiled: September 25, 2018Publication date: August 6, 2020Applicant: KABUSHIKI KAISHA RIKENInventors: Yasuhiro IWATA, Hiroshi SHIMIZU, Yuichiro TAKEZAWA
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Publication number: 20190126524Abstract: An expanded particle producing apparatus includes a vessel and a blade stirrer that is located inside the vessel. The blade stirrer comprises a stirrer base and an impeller blade that is attached to the stirrer base. A distance from the bottom of the vessel to the center of the stirrer base (L1) and a depth of the vessel (L2) have a ratio (L1/L2) of 0.01 to 0.2. L1 is measured in a depth direction parallel to L2, and a central axis of the blade stirrer coincides with a central axis of the vessel. The apparatus is configured to produce expanded particles.Type: ApplicationFiled: December 26, 2018Publication date: May 2, 2019Applicant: KANEKA CORPORATIONInventor: Yasuhiro Iwata
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Patent number: 9901571Abstract: The present invention relates to novel compounds of a formula (I) or a pharmaceutically acceptable salt or solvate thereof, processes for their preparation, pharmaceutical compositions comprising them and their use in therapy, for example as modulators of the growth hormone secretagogue receptor (also referred to as the ghrelin receptor or GHSR-1a receptor) and/or for the treatment and/or prophylaxis of a disorder mediated by the ghrelin receptor.Type: GrantFiled: November 2, 2015Date of Patent: February 27, 2018Assignee: RaQualia Pharma Inc.Inventors: Yasuhiro Iwata, Kiyoshi Kawamura, Masaki Sudo, Kaoru Shimada, Shinichi Koizumi, Nobuyuki Takahashi, Keiko Obata, Makiko Kuroda
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Patent number: 9873695Abstract: The present invention relates to novel compounds of formula (I) or a pharmaceutically acceptable salt or solvate thereof, processes for their preparation, pharmaceutical compositions containing them and their use in therapy, for example as modulators of the growth hormone secretagogue receptor (also referred to as the ghrelin receptor or GHSR1a receptor) and/or for the treatment and/or prophylaxis of a disorder mediated by the ghrelin receptor.Type: GrantFiled: August 5, 2015Date of Patent: January 23, 2018Assignee: RaQualia Pharma Inc.Inventors: Yasuhiro Iwata, Kiyoshi Kawamura, Masaki Sudo, Kaoru Shimada, Shinichi Koizumi, Nobuyuki Takahashi, Keiko Obata, Makiko Kuroda
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Publication number: 20170304277Abstract: The present invention relates to novel compounds of a formula (I) or a pharmaceutically acceptable salt or solvate thereof, processes for their preparation, pharmaceutical compositions comprising them and their use in therapy, for example as modulators of the growth hormone secretagogue receptor (also referred to as the ghrelin receptor or GHSR-1a receptor) and/or for the treatment and/or prophylaxis of a disorder mediated by the ghrelin receptor.Type: ApplicationFiled: November 2, 2015Publication date: October 26, 2017Applicant: RaQualia Pharma Inc.Inventors: Yasuhiro IWATA, Kiyoshi KAWAMURA, Masaki SUDO, Kaoru SHIMADA, Shinichi KOIZUMI, Nobuyuki TAKAHASHI, Keiko OBATA, Makiko KURODA
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Publication number: 20170197961Abstract: The present invention relates to novel compounds of formula (I) or a pharmaceutically acceptable salt or solvate thereof, processes for their preparation, pharmaceutical compositions containing them and their use in therapy, for example as modulators of the growth hormone secretagogue receptor (also referred to as the ghrelin receptor or GHSRla receptor) and/or for the treatment and/or prophylaxis of a disorder mediated by the ghrelin receptor.Type: ApplicationFiled: August 5, 2015Publication date: July 13, 2017Applicant: RaQualia Pharma Inc.Inventors: Yasuhiro IWATA, Kiyoshi KAWAMURA, Masaki SUDO, Kaoru SHIMADA, Shinichi KOIZUMI, Nobuyuki TAKAHASHI, Keiko OBATA, Makiko KURODA
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Patent number: 9447065Abstract: The present invention provides a pharmaceutical composition which prevents from decreasing the blood exposure of the third generation coxib-drugs, a process for preparing the said pharmaceutical composition and its use. It has been founded in this invention that adding a basic amine or a basic amino acid, or a cyclodextrin to the third generation coxib-drug can afford a pharmaceutical composition which can prevent from decreasing the blood exposure, AUC and bioavailability. The pharmaceutical composition of the present invention has also good stability, which is useful for drugs. Namely, the technological thought that adding a basic amine or a basic amino acid, or a cyclodextrin to the third generation coxib-drug can prevent from decreasing the blood exposure, AUC and bioavailability has been established in this invention.Type: GrantFiled: October 18, 2012Date of Patent: September 20, 2016Assignee: RaQualia Pharma Inc.Inventors: Yasuhiro Iwata, Kaoru Shimada, Yoshiyuki Okumura, Mayumi Kashino, Hiromitsu Yoshida
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Patent number: 9447066Abstract: This invention relates to salts and crystal forms of (S)-6-chloro-7-(1,1-dimethylethyl)-2-trifluoromethyl-2H-1-benzopyran-3-carboxylic acid, Compound A, which is cyclooxygenase-2 inhibitor. The present invention provides a salt of compound A, a crystal form thereof, a process for preparing the said salt and a pharmaceutical composition thereof and its use. The salts and/or co-crystals of Compound A of the present invention show good formulation properties such as high aqueous solubility, good intrinsic dissolution, good crystallinity, good thermal stability or low hygroscopicity.Type: GrantFiled: January 6, 2014Date of Patent: September 20, 2016Assignee: AskAt Inc.Inventors: Yoshiyuki Okumura, Yasuhiro Iwata, Toyoharu Numata, Masaki Sudo, Takako Okumura
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Publication number: 20150353520Abstract: This invention relates to salts and crystal forms of (S)-6-chloro-7-(1,1-dimethylethyl)-2-trifluoromethyl-2H-1-benzopyran-3-carboxylic acid, Compound A, which is cyclooxygenase-2 inhibitor. The present invention provides a salt of compound A, a crystal form thereof, a process for preparing the said salt and a pharmaceutical composition thereof and its use. The salts and/or co-crystals of Compound A of the present invention show good formulation properties such as high aqueous solubility, good intrinsic dissolution, good crystallinity, good thermal stability or low hygroscopicity.Type: ApplicationFiled: January 6, 2014Publication date: December 10, 2015Applicant: AskAt Inc.Inventors: Yoshiyuki OKUMURA, Yasuhiro IWATA, Toyoharu NUMATA, Masaki SUDO, Takako OKUMURA
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Publication number: 20140256804Abstract: The present invention provides a pharmaceutical composition which prevents from decreasing the blood exposure of the third generation coxib-drugs, a process for preparing the said pharmaceutical composition and its use. It has been founded in this invention that adding a basic amine or a basic amino acid, or a cyclodextrin to the third generation coxib-drug can afford a pharmaceutical composition which can prevent from decreasing the blood exposure, AUC and bioavailability. The pharmaceutical composition of the present invention has also good stability, which is useful for drugs. Namely, the technological thought that adding a basic amine or a basic amino acid, or a cyclodextrin to the third generation coxib-drug can prevent from decreasing the blood exposure, AUC and bioavailability has been established in this invention.Type: ApplicationFiled: October 18, 2012Publication date: September 11, 2014Applicant: RAQUALIA PHARMA INC.Inventors: Yasuhiro Iwata, Kaoru Shimada, Yoshiyuki Okumura, Mayumi Kashino, Hiromitsu Yoshida
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Patent number: 8697877Abstract: The present invention relates to novel oxyindole derivatives of formula (I) or a pharmaceutically acceptable salt thereof, processes for their preparation, pharmaceutical compositions containing them and their use in the treatment of various disorders which are mediated via the motilin receptor (GPR38).Type: GrantFiled: March 1, 2010Date of Patent: April 15, 2014Assignee: RaQualia Pharma Inc.Inventors: Masaki Sudo, Yasuhiro Iwata, Yoshimasa Arano, Madoka Jinno, Masashi Ohmi, Hirohide Noguchi
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Patent number: 8653063Abstract: This invention relates to compounds of formula (I) or a pharmaceutically acceptable salt thereof, wherein X, R1, R2, R3, R4, R5, R6, R7, k, m, n, p, q, r and s are each as described herein, and compositions containing such compounds, and the use of such compounds in the treatment of a condition mediated by CB2 receptor activity.Type: GrantFiled: January 22, 2010Date of Patent: February 18, 2014Assignee: RaQualia Pharma Inc.Inventors: Kazuo Ando, Yasuhiro Iwata
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Publication number: 20110312933Abstract: The present invention relates to novel oxyindole derivatives of formula (I) or a pharmaceutically acceptable salt thereof, processes for their preparation, pharmaceutical compositions containing them and their use in the treatment of various disorders which are mediated via the motilin receptor (GPR38).Type: ApplicationFiled: March 1, 2010Publication date: December 22, 2011Inventors: Masaki Sudo, Yasuhiro Iwata, Yoshimasa Arano, Madoka Jinno, Masashi Ohmi, Hirohide Noguchi
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Publication number: 20110281840Abstract: This invention relates to compounds of formula (I) or a pharmaceutically acceptable salt thereof, wherein X, R1, R2, R3, R4, R5, R6, R7, k, m, n, p, q, r and s are each as described herein, and compositions containing such compounds, and the use of such compounds in the treatment of a condition mediated by CB2 receptor activity.Type: ApplicationFiled: January 22, 2010Publication date: November 17, 2011Inventors: Kazuo Ando, Yasuhiro Iwata
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Publication number: 20070145169Abstract: A food waste disposer includes a food conveying section, a grinding mechanism, and a brushless permanent magnet motor operably connected to the grinding mechanism. A discharge device is configured so as to reduce the overall height of the food waste disposer.Type: ApplicationFiled: November 29, 2006Publication date: June 28, 2007Applicant: EMERSON ELECTRIC CO.Inventors: Steven Hanson, Thomas Berger, Nicholas Hirsch, Yasuhiro Iwata, Motoya Oghino
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Publication number: 20060278742Abstract: A food waste disposer includes a food conveying section, a grinding mechanism, and a brushless permanent magnet motor operably connected to the grinding mechanism. A discharge device is configured so as to reduce the overall height of the food waste disposer.Type: ApplicationFiled: June 1, 2004Publication date: December 14, 2006Applicant: EMERSON ELECTRIC CO.Inventors: Steven Hanson, Thomas Berger, Nicholas Hirsch, Yasuhiro Iwata, Motoya Oghino