Patents by Inventor Taisuke Sugihara

Taisuke Sugihara 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: 20240325961
    Abstract: A charging device includes a charger on which an object is placed, and an output circuit structured to boost a voltage and output an output voltage. The charger charges the placed object in a state of being charged by the output voltage outputted from the output circuit.
    Type: Application
    Filed: June 7, 2024
    Publication date: October 3, 2024
    Inventors: Kaori SUGIHARA, Miles PENNINGTON, Taisuke IKAWA, Shoki TANIURA, Muhang LI, Shota KIUCHI
  • 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: 4560755
    Abstract: A 5-isoquinolinesulfonyl derivative of Formula (I): ##STR1## wherein l is zero or one;m and n each is an integer of one to nine;m+n is an integer of at least one;R.sub.1 is a hydrogen atom, a C.sub.1-10 alkyl group, a C.sub.5-6 cycloalkyl group or an aryl group; orR.sub.2 and R.sub.3 each is a hydrogen atom, a C.sub.1-10 alkyl group, a C.sub.5-6 cycloalkyl group, an aryl group or an aralkyl group;R.sub.2 and R.sub.3 are C.sub.1-6 alkylene groups and linked directly or through an oxygen atom to form a 5- to 7-membered heterocyclic ring with the adjacent nitrogen atom; or the ##STR2## wherein R.sub.4 and R.sub.5 each is a hydrogen atom, a C.sub.1-10 alkyl group, an aryl group or an aralkyl group and R.sub.6 is a hydrogen atom, a C.sub.1-10 alkyl group, an aryl group, an aralkyl group, a benzoyl group, a cinnamyl group, a cinnamoyl group, a furoyl group or a ##STR3## wherein R.sub.7 is a C.sub.1-8 alkyl group; and the pharmaceutically acceptable salt thereof; and a process for the preparation thereof.
    Type: Grant
    Filed: January 20, 1984
    Date of Patent: December 24, 1985
    Assignees: Asahi Kasei Kogyo Kabushiki Kaisha, Hiroyoshi Hidaka
    Inventors: Hiroyoshi Hidaka, Takanori Sone, Yasuharu Sasaki, Taisuke Sugihara
  • 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: 4525589
    Abstract: A 5-isoquinolinesulfonyl derivative of Formula (I): ##STR1## wherein l is zero or one;m and n each is an integer of one to nine;m+n is an integer of at least oneR.sub.1 is a hydrogen atom, a C.sub.1-10 alkyl group, a C.sub.5-6 cycloalkyl group or an aryl group; orR.sub.2 and R.sub.3 each is a hydrogen atom, a C.sub.1-10 alkyl group, a C.sub.5-6 cycloalkyl group, an aryl group or an aralkyl group;R.sub.2 and R.sub.3 are C.sub.1-6 alkylene groups and linked directly or through an oxygen atom to form a 5- to 7-membered heterocyclic ring with the adjacent nitrogen atom; orthe ##STR2## group is a ##STR3## group wherein R.sub.4 and R.sub.5 each is a hydrogen atom, a C.sub.1-10 alkyl group, an aryl group or an aralkyl group and R.sub.6 is a hydrogen atom, a C.sub.1-10 alkyl group, an aryl group, an aralkyl group, a benzoyl group, a cinnamyl group, a cinnamoyl group, a furoyl group or a ##STR4## group wherein R.sub.7 is a C.sub.
    Type: Grant
    Filed: January 20, 1984
    Date of Patent: June 25, 1985
    Assignees: Asahi Kasei Kogyo Kabushiki Kaisha, Hiroyoshi Hidaka
    Inventors: Hiroyoshi Hidaka, Takanori Sone, Yasuharu Sasaki, Taisuke Sugihara
  • Patent number: 4510307
    Abstract: A 6-quinazolinesulfonyl derivative of Formula (I): ##STR1## wherein R.sub.1 is a hydrogen atom or a C.sub.1-12 alkyl group:R.sub.2 is a hydrogen atom, a C.sub.1-12 alkyl group, a C.sub.4-10 cycloalkyl group, an aryl group or an aralkyl group; andR.sub.1 and R.sub.2 may be linked directly or through an oxygen atom to form a 5- to 7-membered heterocyclic ring together with the adjacent nitrogen atom; andR.sub.3 is a ##STR2## group wherein R.sub.4 is a C.sub.1-8 alkyl group; a --HN(CH.sub.2).sub.n NH.sub.2 group wherein n is an integer of 2 to 10; or a ##STR3## group; and the pharmaceutically acceptable salt thereof; and a process for the preparation thereof. The compounds of this invention have a relaxatory action for vascular smooth muscle and are useful as a vasodilator and a hypotensor.
    Type: Grant
    Filed: August 17, 1981
    Date of Patent: April 9, 1985
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Hiroyoshi Hidaka, Takanori Sone, Yasuharu Sasaki, Taisuke Sugihara, Seiji Takagi, Kiyohide Sako
  • 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: 4456757
    Abstract: A 5-isoquinolinesulfonyl derivative of Formula (I): ##STR1## wherein l is zero or one;m and n each is an integer of one to nine;m+n is an integer of at least one;R.sub.1 is a hydrogen atom, a C.sub.1-10 alkyl group, a C.sub.5-6 cycloalkyl group or an aryl group; orR.sub.2 and R.sub.3 each is a hydrogen atom, a C.sub.1-10 alkyl group, a C.sub.5-6 cycloalkyl group, an aryl group or an aralkyl group;R.sub.2 and R.sub.3 are C.sub.1-6 alkylene groups and linked directly or through an oxygen atom to form a 5- to 7-membered heterocyclic ring with the adjacent nitrogen atom; orthe ##STR2## group is a ##STR3## group wherein R.sub.4 and R.sub.5 each is a hydrogen atom, a C.sub.1-10 alkyl group, an aryl group or an aralkyl group and R.sub.6 is a hydrogen atom, a C.sub.1-10 alkyl group, and aryl group, an aralkyl group, a benzoyl group, a cinnamyl group, a cinnamoyl group, a furoyl group or a ##STR4## group wherein R.sub.7 is a C.sub.
    Type: Grant
    Filed: March 12, 1982
    Date of Patent: June 26, 1984
    Assignees: Asahi Kasei Kogyo Kabushiki Kaisha, Hiroyoshi Hidaka
    Inventors: Hiroyoshi Hidaka, Takanori Sone, Yasuharu Sasaki, Taisuke Sugihara