Patents by Inventor Takahiro Oi

Takahiro Oi 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).

  • Patent number: 11945333
    Abstract: A communication device includes a communicator that is mounted in a mobile body and functions as a wireless access point, a power supplier configured to supply electric power at least to a driver that causes the mobile body to travel, a detector configured to detect the electric energy of the power supplier, and a controller configured to control at least one of communication strength and communication quality of the communicator based on the electric energy detected by the detector.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: April 2, 2024
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Masaru Otaka, Ryusuke Tamanaha, Yusuke Oi, Takahiro Iijima, Naoko Imai
  • Patent number: 11935354
    Abstract: A communication device includes a communicator controller. The communication controller configured to cause a communicator to communicate with a terminal device in a first mode or a second mode, in which the first mode is a mode in which communication conditions are better than in the second mode, and, when the communication controller has acquired permission information indicating that communication in the first mode is permitted according to completion of processing of a first procedure different from a second procedure required for communication in the second mode in response to a request from the terminal device, the communication controller causes the communicator to communicate with a terminal device associated with the permission information in the first mode.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: March 19, 2024
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Masaru Otaka, Ryusuke Tamanaha, Yusuke Oi, Takahiro Iijima, Naoko Imai
  • Patent number: 9422240
    Abstract: There are provided compounds having a superior PHD2 inhibitory effect that are represented by general formula (I?): (in the above-mentioned general formula (I?), W, Y, R2, R3, R4, and Y4 are as described hereinabove), or pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: July 29, 2013
    Date of Patent: August 23, 2016
    Assignee: TAISHO PHARMACEUTICAL CO., LTD
    Inventors: Tetsuo Takayama, Tsuyoshi Shibata, Fumiyasu Shiozawa, Kenichi Kawabe, Yuki Shimizu, Makoto Hamada, Akira Hiratate, Masato Takahashi, Fumihito Ushiyama, Takahiro Oi, Yoshihisa Shirasaki, Daisuke Matsuda, Chie Koizumi, Sota Kato
  • Patent number: 9161945
    Abstract: A compound, which inhibits SGLT1 (sodium-dependent glucose transporter 1) activity to suppress absorption of glucose or the like, thereby suppressing abnormal glucose tolerance or postprandial hyperglycemia in diabetes, is provided.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: October 20, 2015
    Assignee: TAISHO PHARMACEUTICAL CO., LTD.
    Inventors: Hiroyuki Kakinuma, Yohei Kobashi, Tomomichi Chonan, Fumiyasu Shiozawa, Yuki Iwata, Takahiro Oi, Kenichi Kawabe
  • Publication number: 20150175541
    Abstract: There are provided compounds having a superior PHD2 inhibitory effect that are represented by general formula (I?): (in the above-mentioned general formula (I?), W, Y, R2, R3, R4, and Y4 are as described hereinabove), or pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: July 29, 2013
    Publication date: June 25, 2015
    Applicant: TAISHO PHARMACEUTICAL CO., LTD
    Inventors: Tetsuo Takayama, Tsuyoshi Shibata, Fumiyasu Shiozawa, Kenichi Kawabe, Yuki Shimizu, Makoto Hamada, Akira Hiratate, Masato Takahashi, Fumihito Ushiyama, Takahiro Oi, Yoshihisa Shirasaki, Daisuke Matsuda, Chie Koizumi, Sota Kato
  • Patent number: 9035059
    Abstract: There are provided compounds represented by the following general formula (I) or pharmaceutically acceptable salts of thereof, which have a superior monoacylglycerol acyltransferase 2 inhibitory action: wherein Ring A represents a partially saturated heteroaryl group, an aryl group or a heteroaryl group, RB represents a C4-18 alkyl group, a C3-8 cycloalkyl group, a partially saturated aryl group, an aryl group, or the following formula (II): wherein V represents the formula —CR11R12—, —CO—, —CO—O—, or —CO—NH—, W represents a single bond or a C1-3 alkylene group, and Ring B represents a C3-8 cycloalkyl group, a C3-8 cycloalkenyl group, a partially saturated heteroaryl group, a saturated heterocyclyl group, an aryl group, or a heteroaryl group, Y represents a nitrogen atom or the formula N+(RF), RF represents a C1-4 alkyl group, and m and n, which may be the same or different, each represent an integer of 0 or 1.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: May 19, 2015
    Assignee: TAISHO PHARMACEUTICAL CO., LTD.
    Inventors: Tsuyoshi Busujima, Takahiro Oi, Hiroaki Tanaka, Yoshihisa Shirasaki, Kanako Iwakiri, Nagaaki Sato, Shigeru Tokita
  • Patent number: 8637557
    Abstract: A compound represented by formula (1) or a pharmaceutically acceptable salt thereof, which has a PI3 kinase ? inhibitory effect and is useful as a prophylactic or therapeutic agent for articular rheumatism, Crohn's disease, irritable colitis, Sjoegren's syndrome, multiple sclerosis, systemic lupus erythematosus, asthma, atopic dermatitis, arteriosclerosis, organ transplant rejection, cancer, retinopathy, psoriasis, arthrosis deformans, age-related macular degeneration, type II diabetes, insulin resistance, obesity, non-alcoholic fatty liver disease (NAFLD), non-alcoholic steatohepatitis (NASH), hyperlipemia, etc.
    Type: Grant
    Filed: October 4, 2010
    Date of Patent: January 28, 2014
    Assignee: Taisho Pharmaceutical Co., Ltd
    Inventors: Tetsuya Yabuuchi, Yusuke Oka, Shoichi Kuroda, Takahiro Oi, Yoshinori Sekiguchi
  • Publication number: 20140005382
    Abstract: There are provided compounds represented by the following general formula (I) or pharmaceutically acceptable salts of thereof, which have a superior monoacylglycerol acyltransferase 2 inhibitory action: wherein Ring A represents a partially saturated heteroaryl group, an aryl group or a heteroaryl group, RB represents a C4-18 alkyl group, a C3-8 cycloalkyl group, a partially saturated aryl group, an aryl group, or the following formula (II): wherein V represents the formula —CR11R12—, —CO—, —CO—O—, or —CO—NH—, W represents a single bond or a C1-3 alkylene group, and Ring B represents a C3-8 cycloalkyl group, a C3-8 cycloalkenyl group, a partially saturated heteroaryl group, a saturated heterocyclyl group, an aryl group, or a heteroaryl group, Y represents a nitrogen atom or the formula N+(RF), RF represents a C1-4 alkyl group, and m and n, which may be the same or different, each represent an integer of 0 or 1.
    Type: Application
    Filed: March 14, 2012
    Publication date: January 2, 2014
    Applicant: TAISHO PHARMACEUTICAL CO., LTD.
    Inventors: Tsuyoshi Busujima, Takahiro Oi, Hiroaki Tanaka, Yoshihisa Shirasaki, Kanako Iwakiri, Nagaaki Sato, Shigeru Tokita
  • Publication number: 20130165645
    Abstract: A compound, which inhibits SGLT1 (sodium-dependent glucose transporter 1) activity to suppress absorption of glucose or the like, thereby suppressing abnormal glucose tolerance or postprandial hyperglycemia in diabetes, is provided.
    Type: Application
    Filed: August 19, 2011
    Publication date: June 27, 2013
    Applicant: TAISHO PHARMACEUTICAL CO., LTD
    Inventors: Hiroyuki Kakinuma, Yohei Kobashi, Tomomichi Chonan, Fumiyasu Shiozawa, Yuki Iwata, Takahiro Oi, Kenichi Kawabe
  • Patent number: 8466113
    Abstract: The present invention provides 4-isopropylphenyl glucitol compounds which have no tendency to accumulate in the body and which inhibit SGLT1 activity to suppress postprandial hyperglycemia (or impaired glucose tolerance) through suppression of glucose absorption in the small intestine, whereby the compounds, for example, can suppress the onset of diabetes and metabolic syndrome or can treat these diseases. A 4-isopropylphenyl glucitol compound represented by the following formula (I) or a pharmaceutically acceptable salt thereof: wherein R1 represents a hydrogen atom, etc., R2 represents a methyl group, etc., R3 represents a C1-4 alkyl group substituted with an amino group(s), etc., and R4 represents a hydrogen atom, etc.
    Type: Grant
    Filed: February 23, 2010
    Date of Patent: June 18, 2013
    Assignee: Taisho Pharmaceutical Co., Ltd.
    Inventors: Hiroyuki Kakinuma, Yohei Kobashi, Tomomichi Chonan, Takahiro Oi, Fumiyasu Shiozawa, Yuki Iwata, Kenichi Kawabe
  • Patent number: 8461329
    Abstract: A compound represented by formula (I) or a pharmaceutically acceptable salt thereof has an effect of inhibiting CRTH2 and, therefore, is useful as a preventive or a remedy for allergic diseases such as asthma, atopic dermatitis and allergic rhinitis.
    Type: Grant
    Filed: December 25, 2009
    Date of Patent: June 11, 2013
    Assignee: Taisho Pharmaceutical Co., Ltd.
    Inventors: Tetsuo Takayama, Hajime Asanuma, Daisuke Wakasugi, Rie Nishikawa, Yoshinori Sekiguchi, Madoka Kawamura, Naoya Ono, Tetsuya Yabuuchi, Takahiro Oi, Yusuke Oka, Shoichi Kuroda, Fumito Uneuchi, Takeshi Koami
  • Publication number: 20120220767
    Abstract: A compound represented by formula (1) or a pharmaceutically acceptable salt thereof, which has a PI3 kinase ? inhibitory effect and is useful as a prophylactic or therapeutic agent for articular rheumatism, Crohn's disease, irritable colitis, Sjoegren's syndrome, multiple sclerosis, systemic lupus erythematosus, asthma, atopic dermatitis, arteriosclerosis, organ transplant rejection, cancer, retinopathy, psoriasis, arthrosis deformans, age-related macular degeneration, type II diabetes, insulin resistance, obesity, non-alcoholic fatty liver disease (NAFLD), non-alcoholic steatohepatitis (NASH), hyperlipemia, etc.
    Type: Application
    Filed: October 4, 2010
    Publication date: August 30, 2012
    Applicant: TAISHO PHARMACEUTICAL CO., LTD.
    Inventors: Tetsuya Yabuuchi, Yusuke Oka, Shoichi Kuroda, Takahiro Oi, Yoshinori Sekiguchi
  • Patent number: 8115017
    Abstract: C-phenyl 1-thioglucitol compounds of the following formula (I) or pharmaceutically acceptable salts thereof or hydrates thereof: [wherein X represents a hydrogen atom or a C1-6 alkyl group, Y represents a C1-6 alkylene group or —O—(CH2)n- (wherein n represents an integer of 1 to 5), and Z represents —CONHRA or —NHCONHRB (provided that when Z represents —NHCONHRB, n is not 1), wherein RA represents a C1-6 alkyl group substituted with 1 to 3 substituents selected from the group consisting of a hydroxyl group and —CONH2, and RB represents a hydrogen atom or a C1-6 alkyl group substituted with 1 to 3 substituents selected from the group consisting of a hydroxyl group and —CONH2] are useful as prophylactic or therapeutic agents for diabetes, because of their suppressive effect on sugar (e.g., glucose) absorption through inhibition of SGLT1 activity, or alternatively, because of their suppressive effect on sugar (e.g.
    Type: Grant
    Filed: June 28, 2007
    Date of Patent: February 14, 2012
    Assignee: Taisho Pharmaceutical Co., Ltd
    Inventors: Hiroyuki Kakinuma, Takahiro Oi, Yohei Kobashi, Yuko Hashimoto, Hitomi Takahashi
  • Publication number: 20110306759
    Abstract: The present invention provides 4-isopropylphenyl glucitol compounds which have no tendency to accumulate in the body and which inhibit SGLT1 activity to suppress postprandial hyperglycemia (or impaired glucose tolerance) through suppression of glucose absorption in the small intestine, whereby the compounds, for example, can suppress the onset of diabetes and metabolic syndrome or can treat these diseases. A 4-isopropylphenyl glucitol compound represented by the following formula (I) or a pharmaceutically acceptable salt thereof: wherein R1 represents a hydrogen atom, etc., R2 represents a methyl group, etc., R3 represents a C1-4 alkyl group substituted with an amino group(s), etc., and R4 represents a hydrogen atom, etc.
    Type: Application
    Filed: February 23, 2010
    Publication date: December 15, 2011
    Applicant: TAISHO PHARMACEUTICAL CO., LTD
    Inventors: Hiroyuki Kakinuma, Yohei Kobashi, Tomomichi Chonan, Takahiro Oi, Fumiyasu Shiozawa, Yuki Iwata, Kenichi Kawabe
  • Publication number: 20110288293
    Abstract: A compound represented by formula (I) or a pharmaceutically acceptable salt thereof has an effect of inhibiting CRTH2 and, therefore, is useful as a preventive or a remedy for allergic diseases such as asthma, atopic dermatitis and allergic rhinitis.
    Type: Application
    Filed: December 25, 2009
    Publication date: November 24, 2011
    Applicant: TAISHO PHARMACEUTICAL CO., LTD.
    Inventors: Tetsuo Takayama, Hajime Asanuma, Daisuke Wakasugi, Rie Nishikawa, Yoshinori Sekiguchi, Madoka Kawamura, Naoya Ono, Tetsuya Yabuuchi, Takahiro Oi, Yusuke Oka, Shoichi Kuroda, Fumito Uneuchi, Takeshi Koami
  • Patent number: 7973012
    Abstract: Provided is a novel C-phenyl glycitol compound that may serve as a prophylactic or therapeutic agent for diabetes by inhibiting both SGLT1 activity and SGLT2 activity, thereby exhibiting a glucose absorption suppression action and a urine glucose excretion action.
    Type: Grant
    Filed: May 18, 2007
    Date of Patent: July 5, 2011
    Assignee: Taisho Pharmaceutical Co., Ltd
    Inventors: Hiroyuki Kakinuma, Yohei Kobashi, Yuko Hashimoto, Takahiro Oi, Hitomi Takahashi, Hideaki Amada, Yuki Iwata
  • Patent number: 7910619
    Abstract: The present invention provides a 1-thio-D-glucitol compound of the following formula, which shows the action of inhibiting the activity of SGLT2, a pharmaceutically acceptable salt of the compound, or a hydrate of the compound or the salt; and a pharmaceutical comprising such a compound as an active ingredient, especially, a pharmaceutical for preventing or treating diabetes, diabetes-related disease, or diabetic complication. The invention also provides a method for producing the 1-thio-D-glucitol compound and its intermediate.
    Type: Grant
    Filed: January 10, 2006
    Date of Patent: March 22, 2011
    Assignee: Taisho Pharmaceutical Co., Ltd.
    Inventors: Hiroyuki Kakinuma, Yuko Hashimoto, Takahiro Oi, Hitomi Takahashi
  • Publication number: 20100069460
    Abstract: A 1-phenyl 1-thio-D-glucitol compound represented by formula (I) or the like: or a pharmaceutically acceptable salt thereof or a hydrate thereof, or a pharmaceutical preparation comprising the same as an active ingredient is useful as a novel type of prophylactic or therapeutic agent for diabetes, diabetes-related diseases or diabetic complications, which inhibits both SGLT1 and SGLT2 activities to achieve not only suppression of glucose absorption from the digestive tract but also excretion of urinary sugars.
    Type: Application
    Filed: December 14, 2007
    Publication date: March 18, 2010
    Applicant: TAISHO PHARMACEUTICAL CO., LTD.
    Inventors: Hiroyuki Kakinuma, Takahiro Oi, Yuko Hashimoto, Hitomi Takahashi, Yohei Kobashi, Yuki Iwata, Kenichi Kawabe, Masato Takahashi
  • Publication number: 20100022460
    Abstract: Provided is a novel C-phenyl glycitol compound that may serve as a prophylactic or therapeutic agent for diabetes by inhibiting both SGLT1 activity and SGLT2 activity, thereby exhibiting a glucose absorption suppression action and a urine glucose excretion action.
    Type: Application
    Filed: May 18, 2007
    Publication date: January 28, 2010
    Applicant: TAISHO PHARMACEUTICAL CO., LTD.
    Inventors: Hiroyuki Kakinuma, Yohei Kobashi, Yuko Hashimoto, Takahiro Oi, Hitomi Takahashi, Hideaki Amada, Yuki Iwata
  • Publication number: 20100004465
    Abstract: C-phenyl 1-thioglucitol compounds of the following formula (I) or pharmaceutically acceptable salts thereof or hydrates thereof: [wherein X represents a hydrogen atom or a C1-6 alkyl group, Y represents a C1-6 alkylene group or —O—(CH2)n- (wherein n represents an integer of 1 to 5), and Z represents —CONHRA or —NHCONHRB (provided that when Z represents —NHCONHRB, n is not 1), wherein RA represents a C1-6 alkyl group substituted with 1 to 3 substituents selected from the group consisting of a hydroxyl group and —CONH2, and RB represents a hydrogen atom or a C1-6 alkyl group substituted with 1 to 3 substituents selected from the group consisting of a hydroxyl group and —CONH2] are useful as prophylactic or therapeutic agents for diabetes, because of their suppressive effect on sugar (e.g., glucose) absorption through inhibition of SGLT1 activity, or alternatively, because of their suppressive effect on sugar (e.g.
    Type: Application
    Filed: June 28, 2007
    Publication date: January 7, 2010
    Applicant: Taisho Pharmaceutical Co., Ltd
    Inventors: Hiroyuki Kakinuma, Takahiro Oi, Yohei Kobashi, Yuko Hashimoto, Hitomi Takahashi