Patents by Inventor Hiroshi Sakaguchi

Hiroshi Sakaguchi 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: 20040167193
    Abstract: A triazolone compound of the formula [I]: 1
    Type: Application
    Filed: February 20, 2004
    Publication date: August 26, 2004
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tomohiro Araki, Yoshiharu Kinoshita, Hiroshi Sakaguchi, Akio Manabe
  • Patent number: 6776821
    Abstract: A material for fixing gaseous hydrocarbon containing fibrous crystal aggregates formed by precipitating by making a metal aliphatic carboxylate dissolve completely in pure water to give a solution, stirring and gradually cooling the resulting solution; a method of preparing the fixing material; and a method of adsorbing and solidifying gaseous hydrocarbon by using the fixing material.
    Type: Grant
    Filed: March 11, 2002
    Date of Patent: August 17, 2004
    Assignees: National Institute of Advanced Industrial Science and Technology, Okamura Oil, Mill, Ltd.
    Inventors: Hiroshi Sakaguchi, Yoshishige Kida, Seizi Iseki
  • Patent number: 6762197
    Abstract: A triazolone compound of the formula [I]: wherein; R1 represents optionally substituted phenyl or the like, T represents m-phenylene optionally substituted by methyl or the like; and a fungicidal composition containing it as an active ingredient.
    Type: Grant
    Filed: June 6, 2002
    Date of Patent: July 13, 2004
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tomohiro Araki, Yoshiharu Kinoshita, Hiroshi Sakaguchi, Akio Manabe
  • Patent number: 6762321
    Abstract: An amide compound given by formula [I]: wherein R1 represents a C1-C10 haloalkyl and so on, R2 represents a hydrogen and so on, X represents an oxygen or sulfur, Y represents an oxygen or sulfur, Ar represents an aromatic group, A represents an ethylene and so on, and Z1 and Z2 represent alkyl, alkoxy and so on, and a fungicide containing it as an active ingredient.
    Type: Grant
    Filed: December 12, 2002
    Date of Patent: July 13, 2004
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Hiroshi Sakaguchi
  • Patent number: 6635787
    Abstract: A 2,6-dichlorophenol compound of formula (1): wherein R represents a 3,3-dihalo-2-propenyl group or a benzyl group optionally substituted by halogen atom(s), can be produced by making a phenol compound of formula (2): wherein R has the same meaning mentioned above, react with sulfuryl chloride in the presence of a secondary amine in high yield. The obtained 2,6-dichlorophenol compound of formula (1) is useful as intermediate for producing dihalopropene compounds having insecticidal/acaricidal activity.
    Type: Grant
    Filed: December 17, 2002
    Date of Patent: October 21, 2003
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroshi Sakaguchi, Sanshiro Matsuo
  • Publication number: 20030195354
    Abstract: An amide compound given by formula [I]: 1
    Type: Application
    Filed: December 12, 2002
    Publication date: October 16, 2003
    Inventor: Hiroshi Sakaguchi
  • Patent number: 6607269
    Abstract: There is disclosed an ink-jet recording material including a water resistant support, and a porous ink-receptive layer containing inorganic fine particles having an average particle size of primary particles of 30 nm or less provided on the support, wherein the ink-jet recording material contains at least one hydrazine compound.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: August 19, 2003
    Assignees: Mitsubishi Paper Mills Limited, Seiko Epson Corporation
    Inventors: Koichi Sumioka, Kozo Haino, Hiroshi Sakaguchi, Yukihiro Suzuki, Yukio Tokunaga, Masahiro Hanmura, Hiroyuki Onishi
  • Patent number: 6590104
    Abstract: A production method of an ether compound given by formula (3): which comprises making an alcohol compound given by formula (4): wherein R1 represents a 3,3-dihalo-2-propenyl group or a benzyl group optionally substituted with a halogen atom(s), react with a pyridine compound given by formula (5): wherein R2 represents a hydrogen atom or halogen atom, in a hydrocarbon compound in the presence of an alkali hydroxide or alkaline earth hydroxide with distilling off water from the reaction mixture, provides the ether compound, which is useful as an active ingredient of insecticide/acaricide or production intermediate thereof, in high yield.
    Type: Grant
    Filed: January 23, 2003
    Date of Patent: July 8, 2003
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroshi Sakaguchi, Masaki Sasaki
  • Publication number: 20030120119
    Abstract: A 2,6-dichlorophenol compound of formula (1): 1
    Type: Application
    Filed: December 17, 2002
    Publication date: June 26, 2003
    Applicant: Sumitomo Chemical Company, Limited
    Inventors: Hiroshi Sakaguchi, Sanshiro Matsuo
  • Publication number: 20030119670
    Abstract: A triazolone compound of the formula [I]: 1
    Type: Application
    Filed: June 6, 2002
    Publication date: June 26, 2003
    Inventors: Tomohiro Araki, Yoshiharu Kinoshita, Hiroshi Sakaguchi, Akio Manabe
  • Patent number: 6570045
    Abstract: Disclosed are a method of solidifying a low-boiling-point hydrocarbon, wherein the low-boiling-point hydrocarbon (including hydrocarbons which are gaseous at ordinary temperature) is brought into contact with a metal salt of an aliphatic carboxylic acid, and if necessary a high-boiling-point hydrocarbon, suspended in water, to form a solid aggregate substance, a method of handling the low-boiling-point hydrocarbon, wherein the solid aggregate substance is stored or transported, and a method of regenerating the low-boiling-point hydrocarbon, wherein the solid aggregate substance is decomposed by opening or heating, to obtain the low-boiling-point hydrocarbon. According to the methods, a wide variety of gaseous and highly volatile liquid hydrocarbons can be safely and easily solidified without using harmful reagent, and during storage, transportation, etc., the gaseous hydrocarbons and highly volatile liquids can be handled as a solid material.
    Type: Grant
    Filed: May 13, 2002
    Date of Patent: May 27, 2003
    Assignee: Agency of Industrial Science and Technology
    Inventors: Hiroshi Sakaguchi, Tomokazu Yoshimura, Rumiana Tzoneva, Takashi Masuda, Takahiro Sato, Akio Matsuda
  • Patent number: 6551695
    Abstract: There is disclosed an ink-jet recording material which comprises a support, and an ink-receptive layer containing fumed silica having an average primary particle size of 3 nm to 30 nm provided on the support, wherein said ink-receptive layer contains a cationic compound and at least one compound selected from the group consisting of a sulfur-containing compound having no mercapto group, an amine compound, an amino compound and a saccharide, and a pH of the surface of the ink-jet recording material is 3 to 6.
    Type: Grant
    Filed: January 12, 2001
    Date of Patent: April 22, 2003
    Assignee: Mitsubishi Paper Mills, Limited
    Inventors: Satoshi Kaneko, Tomoko Ishimaru, Yukihiro Suzuki, Hiroshi Sakaguchi
  • Patent number: 6489487
    Abstract: Triazolone derivatives represented by the formula wherein R1 represents optionally substituted C1-10 alkyl, A1—L1—, A1—ON═CA2, etc.; R2 represents hydrogen, C1-6 alkyl, etc.; R3 represents C1-6 alkoxy, etc.; one of T, U, and V represents CR4, another represents CH or nitrogen, and the remaining one represents CR5 or nitrogen; and W represents CR6 or nitrogen.
    Type: Grant
    Filed: February 5, 2001
    Date of Patent: December 3, 2002
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Akio Manabe, Yoshiharu Kinoshita, Hiroshi Sakaguchi, Tomohiro Araki
  • Publication number: 20020173686
    Abstract: A material for fixing gaseous hydrocarbon containing fibrous crystal aggregates formed by precipitating by making a metal aliphatic carboxylate dissolve completely in pure water to give a solution, stirring and gradually cooling the resulting solution; a method of preparing the fixing material; and a method of adsorbing and solidifying gaseous hydrocarbon by using the fixing material.
    Type: Application
    Filed: March 11, 2002
    Publication date: November 21, 2002
    Inventors: Hiroshi Sakaguchi, Yoshishige Kida, Seizi Iseki
  • Publication number: 20020160088
    Abstract: A crystal substance formed by precipitating as fibrous aggregates by making a metal aliphatic carboxylate dissolve completely in pure water, stirring, and gradually cooling the resulting solution. A method of preparing the fibrous crystal aggregates. A material for recovering flowing oil and method of recovering flowing oil by using the fibrous crystal aggregates. A material for solidifying liquid hydrocarbon, waste tempura oil and edible oil and method of solidifying liquid hydrocarbon, waste tempura oil and edible oil by using the fibrous crystal aggregates. A method of preparing the solidifying material.
    Type: Application
    Filed: March 11, 2002
    Publication date: October 31, 2002
    Inventors: Hiroshi Sakaguchi, Yoshishige Kida, Seizi Iseki
  • Publication number: 20020140796
    Abstract: There is disclosed an ink-jet recording material comprising a water resistant support, and a porous ink-receptive layer containing inorganic fine particles having an average particle size of primary particles of 30 nm or less provided on the support, wherein the ink-jet recording material contains at least one hydrazine compound.
    Type: Application
    Filed: December 21, 2001
    Publication date: October 3, 2002
    Inventors: Koichi Sumioka, Kozo Haino, Hiroshi Sakaguchi, Yukihiro Suzuki, Yukio Tokunaga, Masahiro Hanmura, Hiroyuki Onishi
  • Publication number: 20020133051
    Abstract: Disclosed are a method of solidifying a low-boiling-point hydrocarbon, wherein the low-boiling-point hydrocarbon (including hydrocarbons which are gaseous at ordinary temperature) is brought into contact with a metal salt of an aliphatic carboxylic acid, and if necessary a high-boiling-point hydrocarbon, suspended in water, to form a solid aggregate substance, a method of handling the low-boiling-point hydrocarbon, wherein the solid aggregate substance is stored or transported, and a method of regenerating the low-boiling-point hydrocarbon, wherein the solid aggregate substance is decomposed by opening or heating, to obtain the low-boiling-point hydrocarbon. According to the methods, a wide variety of gaseous and highly volatile liquid hydrocarbons can be safely and easily solidified without using harmful reagent, and during storage, transportation, etc., the gaseous hydrocarbons and highly volatile liquids can be handled as a solid material.
    Type: Application
    Filed: May 13, 2002
    Publication date: September 19, 2002
    Applicant: Secretary of Agency of Industrial Science and Technology
    Inventors: Hiroshi Sakaguchi, Tomokazu Yoshimura, Rumiana Tzoneva, Takashi Masuda, Takahiro Sato, Akio Matsuda
  • Patent number: 6417415
    Abstract: Disclosed are a method of solidifying a low-boiling-point hydrocarbon, wherein the low-boiling-point hydrocarbon (including hydrocarbons which are gaseous at ordinary temperature) is brought into contact with a metal salt of an aliphatic carboxylic acid, and if necessary a high-boiling-point hydrocarbon, suspended in water, to form a solid aggregate substance, a method of handling the low-boiling-point hydrocarbon, wherein the solid aggregate substance is stored or transported, and a method of regenerating the low-boiling-point hydrocarbon, wherein the solid aggregate substance is decomposed by opening or heating, to obtain the low-boiling-point hydrocarbon. According to the methods, a wide variety of gaseous and highly volatile liquid hydrocarbons can be safely and easily solidified without using harmful reagent, and during storage, transportation, etc., the gaseous hydrocarbons and highly volatile liquids can be handled as a solid material.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: July 9, 2002
    Assignee: Agency of Industrial Science and Technology
    Inventors: Hiroshi Sakaguchi, Tomokazu Yoshimura, Rumiana Tzoneva, Takashi Masuda, Takahiro Sato, Akio Matsuda
  • Publication number: 20010014381
    Abstract: There is disclosed an ink-jet recording material which comprises a support, and an ink-receptive layer containing fumed silica having an average primary particle size of 3 nm to 30 nm provided on the support, wherein said ink-receptive layer contains a cationic compound and at least one compound selected from the group consisting of a sulfur-containing compound having no mercapto group, an amine compound, an amino compound and a saccharide, and a pH of the surface of the ink-jet recording material is 3 to 6.
    Type: Application
    Filed: January 12, 2001
    Publication date: August 16, 2001
    Inventors: Satoshi Kaneko, Tomoko Ishimaru, Yukihiro Suzuki, Hiroshi Sakaguchi
  • Patent number: 5911029
    Abstract: While television broadcast signals are reproduced by a mechanism, if a commercial starts, the user operates a remote controller to set the VCR to cue mode. Thereafter, a black frame detecting portion detects a black frame included in the reproduced signals between the commercial and a main program, whereby microcomputer switches the VCR to standard playback mode at the time point of detection.
    Type: Grant
    Filed: February 19, 1997
    Date of Patent: June 8, 1999
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Hiroshi Sakaguchi, Takao Nishiyama, Seiji Hashimoto, Michihiro Fujiyama