Patents by Inventor Masahito Takagi
Masahito Takagi 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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Patent number: 6756460Abstract: The present invention provides: a novel water-soluble copolymer which is excellent in performance for uses, such as detergent builders, pigment dispersants, and scale inhibitors. In addition, the present invention provides: a novel liquid detergent builder which has extremely excellent compatibility, high transparency when a liquid detergent composition comprises it, and excellent detergency; and a novel liquid detergent composition comprising the liquid detergent builder.Type: GrantFiled: August 16, 2001Date of Patent: June 29, 2004Assignee: Nippon Shokubai Co., Ltd.Inventors: Takuya Saeki, Junichi Nakamura, Yoshikazu Fujii, Masahito Takagi, Shigeru Yamaguchi
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Patent number: 6684137Abstract: A traffic accident recording system, wherein a recording unit is provided along a road, comprising a TV camera for continously obtaining visual images of a certain section of the road and a storage unit for continuously storing the visual images from the TV camera, and an accident recognition unit provided in a vehicle which upon occurrence of an accident transmits a trigger signal to the recording unit so that the storage unit retains visual images of the section of the road whereat the accident occurred at specified time durations before, during and after the occurrence of the accident. Thereafter, the stored visual images can be accessed and stored for later use. Also devices are provided for periodically discarding visual images not used.Type: GrantFiled: December 29, 2001Date of Patent: January 27, 2004Assignees: Yokogawa Electric Corporation, Massachusetts Institute of TechnologyInventors: Masahito Takagi, Ichiro Masaki
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Publication number: 20030125853Abstract: A traffic accident recording system, wherein a recording unit is provided along a road, comprising a TV camera for continously obtaining visual images of a certain section of the road and a storage unit for continuously storing the visual images from the TV camera, and an accident recognition unit provided in a vehicle which upon occurrence of an accident transmits a trigger signal to the recording unit so that the storage unit retains visual images of the section of the road whereat the accident occurred at specified time durations before, during and after the occurrence of the accident. Thereafter, the stored visual images can be accessed and stored for later use. Also devices are provided for periodically discarding visual images not used.Type: ApplicationFiled: December 29, 2001Publication date: July 3, 2003Inventors: Masahito Takagi, Ichiro Masaki
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Patent number: 6535118Abstract: A priority controlled network wherein a plurality of sensor terminals, at least one display terminal, and control circuit are interconnected by a network, and within each sensor terminal is a priority determining unit to which are supplied data from one or more sensors in the sensor terminal, and parameters controlling the priority determining from the control circuit, whereby priority determining by said priority determining unit is obtained by using said data and said parameters so that a particular priority value is determined for each of the plurality of sensor terminals and selected priority value data are displayed in the at least one display terminal and capacity of said network is optimally used where more than one display terminal is provided.Type: GrantFiled: December 29, 2001Date of Patent: March 18, 2003Assignees: Yokogawa Electric Corporation, Massachusetts Institute of TechnologyInventors: Masahito Takagi, Ichiro Masaki
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Patent number: 6472978Abstract: An improved traffic accident preventing system to alarm both a driver on vehicle and pedestrian each other using a radio communication unit when they are located close. This system also provides a traffic monitoring and control system using communication between vehicle, pedestrian with communication unit and radio unit equipped by roadside, in which a traffic management center can send information to a specific vehicle and pedestrian with communication unit, and also receive information from them.Type: GrantFiled: November 24, 2000Date of Patent: October 29, 2002Assignees: Yokogawa Electric Corporation, Massacusetts Institute of TechnologyInventors: Masahito Takagi, Ichiro Masaki
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Patent number: 6447696Abstract: The present invention provides: a novel grafted polymer which has good hydrophilicity and is excellent in the adsorbency and the dispersibility; and a scale inhibitor and a detergent additive, both of which involve the use of this grafted polymer.Type: GrantFiled: July 18, 2000Date of Patent: September 10, 2002Assignee: Nippon Shokubai Co., Ltd.Inventors: Masahito Takagi, Shigeru Yamaguchi
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Patent number: 6441748Abstract: A road surface monitoring system for monitoring the condition of a road surface wherein at least one sensor unit is interchangeably provided in a sealed container disposed below the road surface and a power source is provided to power the sensor unit, and a communications device is provided to obtain measurement and/or monitoring data from the at least one sensor unit and to provide control signals to the at least one sensor unit, whereby an inexpensive and readily maintainable system is provided.Type: GrantFiled: April 2, 2001Date of Patent: August 27, 2002Assignees: Yokogawa Electric Corporation, Massachusetts Institute of TechnologyInventors: Masahito Takagi, Ichiro Masaki
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Patent number: 6441102Abstract: The present invention provides a novel amino-group-containing polymer (salt) and a production process therefor wherein the amino-group-containing polymer (salt) is a product by a process including the step of introducing amino groups into a grafted polymer having a polyether skeleton, and can make good use of the reactivity or cationic property of at least primary amino groups and further, according to circumstances, secondary amino groups, and further can display various performances, such as curability useful for various uses and adsorbency onto films or fibers.Type: GrantFiled: February 8, 2001Date of Patent: August 27, 2002Assignee: Nippon Shokubai Co., Ltd.Inventors: Ichimoto Akasaki, Masahito Takagi, Takuya Saeki, Koichiro Saeki
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Publication number: 20020049147Abstract: The present invention provides: a novel water-soluble copolymer which is still more excellent in performance for uses, such as detergent builders, pigment dispersants, and scale inhibitors. In addition, the present invention provides: a novel liquid detergent builder which has extremely excellent compatibility, high transparency when a liquid detergent composition comprises it, and very excellent detergency; and a novel liquid detergent composition comprising the liquid detergent builder.Type: ApplicationFiled: August 16, 2001Publication date: April 25, 2002Inventors: Takuya Saeki, Junichi Nakamura, Yoshikazu Fujii, Masahito Takagi, Shigeru Yamaguchi
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Publication number: 20010014722Abstract: The present invention provides a novel amino-group-containing polymer (salt) and a production process therefor wherein the amino-group-containing polymer (salt) is a product by a process including the step of introducing amino groups into a grafted polymer having a polyether skeleton, and can make good use of the reactivity or cationic property of at least primary amino groups and further, according to circumstances, secondary amino groups, and further can display various performances, such as curability useful for various uses and adsorbency onto films or fibers.Type: ApplicationFiled: February 8, 2001Publication date: August 16, 2001Applicant: Nippon Shokubai Co., Ltd.Inventors: Ichimoto Akasaki, Masahito Takagi, Takuya Saeki, Koichiro Saeki
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Patent number: 6166149Abstract: The invention provides: 1) a composition comprising a hydrophilic graft polymer of 60 to 98 wt %, a polyether compound of 20 to 40 wt %, and an unsaturated carboxylic acid type polymer of 0 to 5 wt %; 2) a polymer which is obtained by graft-polymerizing a monoethylenically unsaturated monomer onto a polyether compound having a repeating unit of --RCH--CH.sub.2 --O-- of 30 mol % or more of the polyether compound, and has a purity of at least 75%; and 3) a scale inhibitor comprising a polymer which is obtained by graft-polymerizing a monoethylenically unsaturated monomer onto a polyether compound having ethylene oxide of 80 mol % or more as a structural unit, and has a hydroxyl group value of 30 mgKOH/g or more and an acid value of 200 mgKOH/g or more.Type: GrantFiled: December 16, 1997Date of Patent: December 26, 2000Assignee: Nippon Shokubai Co., Ltd.Inventors: Shigeru Yamaguchi, Masahito Takagi, Takuya Saeki
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Patent number: 5600276Abstract: An improved semiconductor integrated circuit comprising a substrate, at least one first semiconductor resistor, and at least one second semiconductor resistor, with the the first and second resistors defining a resistance ratio, and a bootstrap electrode at a desired potential, wherein variation in resistance value of the first resistor is determined by the potential difference between the first resistor and the substrate, and variation in resistance value of the second resistor is determined by the potential at the boot-strap electrode, and wherein the variation in the resistance value of the second resistor acts to cancel out the variation in the first resistor resistance value, whereby an accurate device is produced by the invention.Type: GrantFiled: June 10, 1996Date of Patent: February 4, 1997Assignee: Yokogawa Electric CorporationInventors: Makoto Imamura, Masahito Takagi
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Patent number: 5523380Abstract: A polymer comprising an .alpha.-glycol structure unit ##STR1## and a carboxylic acid-based structure unit ##STR2## provides superior results with respect to dispersibility, a chelating ability and a viscosity-stabilizing effect and is useful as a detergent builder, pigment- and cement-dispersing agents, a hydrogen peroxide stabilizer and a gas barrier agent. This polymer can further comprise the following lactone structure unit. ##STR3## This polymer can be produced by copolymerizing a conjugated diene monomer and a carboxylic acid-based monomer and oxidizing a copolymer obtained.Type: GrantFiled: July 13, 1994Date of Patent: June 4, 1996Assignee: Nippon Shokubai Co., Ltd.Inventors: Hideyuki Tahara, Hiroshi Itoh, Keiji Kofuji, Masahito Takagi
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Patent number: 5298570Abstract: The invention provides biodegradable crosslinked polymers, which have a chelating effect and a dispersing effect to disperse an oily substance and an inorganic substance hardly soluble in water and are excellent in dispersion into water. The crosslinked polymers comprise; an ingredient of molecular weight 5,000 or less in 50% by weight, a bond having at least one of a group (II) represented by the chemical formula --CO--O-- and a group (III) represented by the chemical formula --CO--NH-- as a composition unit between main chains having a water-soluble oligomer structure having the functional group (I) represented by the general formula --COOM (here, M denotes anyone of a hydrogen atom, monovalent metal, divalent metal, trivalent metal, an ammonium group and organic amine group.), and showing a viscosity of 1,000 cP or less at 20.degree. C. by a 20% by weight aqueous solution of the crosslinked polymer.Type: GrantFiled: August 20, 1992Date of Patent: March 29, 1994Assignee: Nippon Shokubai Co., Ltd.Inventors: Hideyuki Tahara, Hiroshi Ito, Masahito Takagi, Yoshio Irie, Keishi Tsuboi, Shigeru Yamaguchi