Patents by Inventor Tadayuki Ibuki

Tadayuki Ibuki 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).

  • Publication number: 20140363491
    Abstract: The present disclosure provides lipid-containing compositions, including targeted liposomes encapsulating drug, and pharmaceutical formulations thereof, as well as methods for the making and using the lipid-containing compositions, including the use of the targeted liposomes in the treatment of cancer and other diseases.
    Type: Application
    Filed: May 9, 2014
    Publication date: December 11, 2014
    Applicant: Mebiopharm Co., Ltd.
    Inventors: Kazushi OKADA, Tadayuki IBUKI, Donghyun KIM, Tadashi FUJISAWA
  • Patent number: 8758810
    Abstract: The present disclosure provides lipid-containing compositions, including targeted liposomes encapsulating drug, and pharmaceutical formulations thereof, as well as methods for the making and using the lipid-containing compositions, including the use of the targeted liposomes in the treatment of cancer and other diseases.
    Type: Grant
    Filed: September 27, 2010
    Date of Patent: June 24, 2014
    Assignee: Mebiopharm Co., Ltd.
    Inventors: Kazushi Okada, Tadayuki Ibuki, Donghyun Kim, Tadashi Fujisawa
  • Publication number: 20110081404
    Abstract: The present disclosure provides lipid-containing compositions, including targeted liposomes encapsulating drug, and pharmaceutical formulations thereof, as well as methods for the making and using the lipid-containing compositions, including the use of the targeted liposomes in the treatment of cancer and other diseases.
    Type: Application
    Filed: September 27, 2010
    Publication date: April 7, 2011
    Applicant: Mebiopharm Co., Ltd.
    Inventors: Kazushi Okada, Tadayuki Ibuki, Donghyun Kim, Tadashi Fujisawa
  • Patent number: 7829113
    Abstract: The present disclosure provides lipid-containing compositions, including targeted liposomes encapsulating drug, and pharmaceutical formulations thereof, as well as methods for the making and using the lipid-containing compositions, including the use of the targeted liposomes in the treatment of cancer and other diseases.
    Type: Grant
    Filed: March 8, 2006
    Date of Patent: November 9, 2010
    Assignee: Mebiopharm Co., Ltd.
    Inventors: Kazushi Okada, Tadayuki Ibuki, Donghyun Kim, Tadashi Fujisawa
  • Publication number: 20060222696
    Abstract: The present disclosure provides lipid-containing compositions, including targeted liposomes encapsulating drug, and pharmaceutical formulations thereof, as well as methods for the making and using the lipid-containing compositions, including the use of the targeted liposomes in the treatment of cancer and other diseases.
    Type: Application
    Filed: March 8, 2006
    Publication date: October 5, 2006
    Inventors: Kazushi Okada, Tadayuki Ibuki, Donghyun Kim, Tadashi Fujisawa
  • Patent number: 4751302
    Abstract: A compound of the formula (I): ##STR1## wherein W.sub.1 and W.sub.2 each independently is a hydrogen atom or a ##STR2## wherein Y is a n-C.sub.1-6 alkylene group or a n-C.sub.1-6 alkylene group having a C.sub.1-6 alkyl group substituent; and R.sub.1 and R.sub.2 each independently is a hydrogen atom or a C.sub.1-6 alkyl group, and ##STR3## may form a saturated heterocyclic ring selected from the group consisting of morpholino, pyrrolidino, piperidino, homopiperidino and piperazino groups, and the saturated heterocyclic ring except the morpholino group may have at least one C.sub.1-4 alkyl group, hydroxyl group or halogen atom as a substituent;Z.sub.1 is a hydrogen atom, a chlorine atom, a bromine atom, an iodine atom, a hydroxyl group, an amino group, a C.sub.1-3 alkyl group or a methoxy group;Z.sub.2 is a hydrogen atom or an amino group;when W.sub.1 and W.sub.2 are both hydrogen atoms, Z.sub.1 is a hydroxyl group or an iodine atom and Z.sub.2 is hydrogen atom, or Z.sub.1 and Z.sub.
    Type: Grant
    Filed: May 29, 1985
    Date of Patent: June 14, 1988
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Tadayuki Ibuki, Taisuke Sugihara, Hiromu Kawakubo, Takanori Sone
  • Patent number: 4585869
    Abstract: A compound of the formula (I): ##STR1## wherein W.sub.1 is a hydrogen atom or a ##STR2## wherein Y is a C.sub.1-6 alkylene group or a C.sub.1-6 alkylene group having a C.sub.1-6 alkyl group substituent; and R.sub.1 and R.sub.2 each independently is a hydrogen atom or a C.sub.1-6 alkyl group and R.sub.1 and R.sub.2 may form a C.sub.4-6 heterocyclic ring or a nitrogen-containing C.sub.4-6 heterocyclic ring together with the adjacent nitrogen atom and the C.sub.4-6 heterocyclic rings may have at least one C.sub.1-6 alkyl group, hydroxyl group or halogen atom;W.sub.2 is a hydrogen atom or a ##STR3## wherein Z is a C.sub.1-6 alkylene group or a C.sub.1-6 alkylene group having a C.sub.1-6 alkyl group substituent; and R.sub.3 and R.sub.4 each independently is a hydrogen atom or a C.sub.1-6 alkyl group and R.sub.3 and R.sub.4 may form a C.sub.4-6 heterocyclic ring or a nitrogen-containing C.sub.4-6 heterocyclic ring together with the adjacent nitrogen atom and the C.sub.4-6 heterocyclic rings may have at least one C.
    Type: Grant
    Filed: July 31, 1984
    Date of Patent: April 29, 1986
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Tadayuki Ibuki, Taisuke Sugihara, Hiromu Kawakubo, Takanori Sone
  • Patent number: 4549023
    Abstract: A compound of the formula (I): ##STR1## wherein W.sub.1 is a hydrogen atom or a ##STR2## wherein Y is a C.sub.1-6 alkylene group or a C.sub.1-6 alkylene group having a C.sub.1-6 alkyl group substituent; and R.sub.1 and R.sub.2 each independently is a hydrogen atom or a C.sub.1-6 alkyl group and R.sub.1 and R.sub.2 may form a C.sub.4-6 heterocyclic ring or a nitrogen-containing C.sub.4-6 heterocyclic ring together with the adjacent nitrogen atom and the C.sub.4-6 heterocyclic rings may have at least one C.sub.1-6 alkyl group, hydroxyl group or halogen atom;W.sub.2 is a hydrogen atom or a ##STR3## wherein Z is a C.sub.1-6 alkylene group or a C.sub.1-6 alkylene group having a C.sub.1-6 alkyl group substituent; and R.sub.3 and R.sub.4 each independently is a hydrogen atom or a C.sub.1-6 alkyl group and R.sub.3 and R.sub.4 may form a C.sub.4-6 heterocyclic ring or a nitrogen-containing C.sub.4-6 heterocyclic ring together with the adjacent nitrogen atom and the C.sub.4-6 heterocyclic rings may have at least one C.
    Type: Grant
    Filed: July 31, 1984
    Date of Patent: October 22, 1985
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Tadayuki Ibuki, Taisuke Sugihara, Hiromu Kawakubo, Takanori Sone
  • Patent number: 4533731
    Abstract: A compound of the formula (I): ##STR1## wherein W.sub.1 and W.sub.2 each independently is a hydrogen atom or a ##STR2## group wherein Y is a n-C.sub.1-6 alkylene group or a n-C.sub.1-6 alkylene group having a C.sub.1-6 alkyl group substituent; and R.sub.1 and R.sub.2 each independently is a hydrogen atom or a C.sub.1-6 alkyl group, and ##STR3## group in ##STR4## group may form a saturated heterocyclic ring selected from the group consisting of morpholino, pyrrolidino, piperidino, homopiperidino and piperazino groups, and the saturated heterocyclic ring except the morpholino group may have at least one C.sub.1-4 alkyl group, hydroxyl group or halogen atom as a substituent;Z.sub.1 is a hydrogen atom, a chlorine atom, a bromine atom, an iodine atom, a hydroxyl group, an amino group, a C.sub.1-3 alkyl group or a methoxy group;Z.sub.2 is a hydrogen atom or an amino group;when W.sub.1 and W.sub.2 are both hydrogen atoms, Z.sub.1 is a hydroxyl group or an iodine atom and Z.sub.2 is hydrogen atom, or Z.sub.1 and Z.
    Type: Grant
    Filed: March 16, 1983
    Date of Patent: August 6, 1985
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Tadayuki Ibuki, Taisuke Sugihara, Hiromu Kawakubo, Takanori Sone
  • Patent number: 4474964
    Abstract: A compound of the formula (I): ##STR1## wherein W.sub.1 is a hydrogen atom or a ##STR2## group wherein Y is a C.sub.1-6 alkylene group or a C.sub.1-6 alkylene group having a C.sub.1-6 alkyl group substituent; and R.sub.1 and R.sub.2 each independently is a hydrogen atom or a C.sub.1-6 alkyl group and R.sub.1 and R.sub.2 may form a C.sub.4-6 heterocyclic ring or a nitrogen-containing C.sub.4-6 heterocyclic ring together with the adjacent nitrogen atom and the C.sub.4-6 heterocyclic rings may have at least one C.sub.1-6 alkyl group, hydroxyl group or halogen atom;W.sub.2 is a hydrogen atom or a ##STR3## group wherein Z is a C.sub.1-6 alkylene group or a C.sub.1-6 alkylene group having a C.sub.1-6 alkyl group substituent; and R.sub.3 and R.sub.4 each independently is a hydrogen atom or a C.sub.1-6 alkyl group and R.sub.3 and R.sub.4 may form a C.sub.4-6 heterocyclic ring or a nitrogen-containing C.sub.4-6 heterocyclic ring together with the adjacent nitrogen atom and the C.sub.
    Type: Grant
    Filed: January 9, 1984
    Date of Patent: October 2, 1984
    Assignee: Asahi, Kasei, Kogyo, Kabushiki, Kaisha
    Inventors: Tadayuki Ibuki, Taisuke Sugihara, Hiromu Kawakubo, Takanori Sone
  • Patent number: 4249019
    Abstract: A carboxylic ester is produced in one step in a high yield and with a high selectivity by reacting an aldehyde with an alcohol in the presence of oxygen by using a catalyst comprising (I) palladium, (II) at least one compound selected from the group consisting of lead compounds, thallium compounds and mercury compounds and (III) at least one compound selected from the group consisting of alkali metal compounds and alkaline earth metal compounds.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: February 3, 1981
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Nobuhiro Tamura, Yohei Fukuoka, Setsuo Yamamatsu, Yoshio Suzuki, Ryoichi Mitsui, Tadayuki Ibuki