Patents by Inventor Kenji Sugimura
Kenji Sugimura 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: 9657117Abstract: [Object] To provide a resin composition with excellent mold releasability and blocking resistance. [Solution] A resin composition containing a 4-methyl-1-pentene polymer includes 0.01 to 10 parts by mass of a 4-methyl-1-pentene polymer (B) per 100 parts by mass of at least one resin (A) selected from the group consisting of thermoplastic resins and thermosetting resins, wherein the 4-methyl-1-pentene polymer (B) has (B1) an intrinsic viscosity [?] of 0.01 or more but less than 0.50 dl/g measured at 135° C. in a decalin solvent.Type: GrantFiled: May 9, 2014Date of Patent: May 23, 2017Assignee: MITSUI CHEMICALS, INC.Inventors: Kuniaki Kawabe, Masayoshi Sutou, Toshiyuki Itou, Mai Kurihara, Akinori Etoh, Shinichirou Asao, Kenji Sugimura, Hiroshi Hoya, Koji Matsunaga, Yoji Hayakawa, Kunihiko Mizumoto
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Patent number: 9096746Abstract: There are provided a polyolefin resin composition having excellent mechanical properties and thermal resistance; a film formed of the polyolefin resin composition, which has excellent mechanical properties and thermal resistance and which is less likely to suffer from fisheyes; a microporous membrane having excellent permeability and shutdown properties in addition to the above-mentioned physical properties; and applications thereof. Such objects are accomplished by a polyolefin resin composition containing an ultra-high molecular weight ethylene polymer (A), a 4-methyl-1-pentene polymer or 3-methyl-1-pentene polymer (B), and a polymer of an olefin having 2 to 12 carbon atoms (C) at an intended ratio.Type: GrantFiled: August 29, 2012Date of Patent: August 4, 2015Assignee: MITSUI CHEMICALS, INC.Inventors: Nobuhisa Mikawa, Motoyasu Yasui, Akiyoshi Taguchi, Kazuto Sugiyama, Yasuhiro Kai, Kenji Sugimura
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Patent number: 8860968Abstract: An original reading apparatus provided with an original placement portion on which an original is place, and an original size/type detecting portion for detecting a size and/or a type of the original placed on the original placement portion, includes: a display portion that performs color display; and a display control portion that changes a color of a display screen displayed on the display portion based on the size and/or the type of the original detected by the original size/type detecting portion.Type: GrantFiled: August 27, 2012Date of Patent: October 14, 2014Assignee: Sharp Kabushiki KaishaInventor: Kenji Sugimura
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Publication number: 20140248488Abstract: [Object] To provide a resin composition with excellent mold releasability and blocking resistance. [Solution] A resin composition containing a 4-methyl-1-pentene polymer includes 0.01 to 10 parts by mass of a 4-methyl-1-pentene polymer (B) per 100 parts by mass of at least one resin (A) selected from the group consisting of thermoplastic resins and thermosetting resins, wherein the 4-methyl-1-pentene polymer (B) has (B1) an intrinsic viscosity [?] of 0.01 or more but less than 0.50 dl/g measured at 135° C. in a decalin solvent.Type: ApplicationFiled: May 9, 2014Publication date: September 4, 2014Applicant: Mitsui Chemicals, Inc.Inventors: Kuniaki KAWABE, Masayoshi Sutou, Toshiyuki Itou, Mai Kurihara, Akinori Etoh, Shinichirou Asao, Kenji Sugimura, Hiroshi Hoya, Koji Matsunaga, Yoji Hayakawa, Kunihiko Mizumoto
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Patent number: 8805230Abstract: An image forming apparatus is provided with a high-voltage substrate, a motor and a DC power source. The high-voltage substrate has a developing positive bias circuit and a developing reverse bias circuit which are connected to each other in parallel, in which the developing positive bias voltage is combined with developing reverse bias voltage to generate developing bias voltage. The high-voltage substrate includes a interruption switch for interrupting a reverse current from the motor to the developing reverse bias circuit in a case where an interlock switch is turned off at the time of emergency stop, in which, when the reverse current is interrupted by the interruption switch, electric power that is accumulated in the capacitor is supplied to the developing positive bias circuit to apply the developing positive bias voltage as the developing bias voltage to the developing roller for a given length of time.Type: GrantFiled: November 21, 2012Date of Patent: August 12, 2014Assignee: Sharp Kabushiki KaishaInventors: Norihide Momose, Kenji Sugimura
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Publication number: 20140221516Abstract: There are provided a polyolefin resin composition having excellent mechanical properties and thermal resistance; a film formed of the polyolefin resin composition, which has excellent mechanical properties and thermal resistance and which is less likely to suffer from fisheyes; a microporous membrane having excellent permeability and shutdown properties in addition to the above-mentioned physical properties; and applications thereof. Such objects are accomplished by a polyolefin resin composition containing an ultra-high molecular weight ethylene polymer (A), a 4-methyl-1-pentene polymer or 3-methyl-1-pentene polymer (B), and a polymer of an olefin having 2 to 12 carbon atoms (C) at an intended ratio.Type: ApplicationFiled: August 29, 2012Publication date: August 7, 2014Applicant: MITSUI CHEMICALS, INC.Inventors: Nobuhisa Mikawa, Motoyasu Yasui, Akiyoshi Taguchi, Kazuto Sugiyama, Yasuhiro Kai, Kenji Sugimura
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Patent number: 8765872Abstract: [Object] To provide a resin composition with excellent mold releasability and blocking resistance. [Solution] A resin composition containing a 4-methyl-1-pentene polymer includes 0.01 to 10 parts by mass of a 4-methyl-1-pentene polymer (B) per 100 parts by mass of at least one resin (A) selected from the group consisting of thermoplastic resins and thermosetting resins, wherein the 4-methyl-1-pentene polymer (B) has (B1) an intrinsic viscosity [?] of 0.01 or more but less than 0.50 dl/g measured at 135° C. in a decalin solvent.Type: GrantFiled: January 10, 2011Date of Patent: July 1, 2014Assignee: Mitsui Chemicals, Inc.Inventors: Kuniaki Kawabe, Masayoshi Sutou, Toshiyuki Itou, Mai Kurihara, Akinori Etoh, Shinichirou Asao, Kenji Sugimura, Hiroshi Hoya, Koji Matsunaga, Yoji Hayakawa, Kunihiko Mizumoto
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Patent number: 8604140Abstract: The invention provides a method for preventing fouling in chemical equipment, comprising adding an antifouling agent which comprises a polyoxyalkylene polymer having Mn of 30,000 or less to a component in the chemical equipment.Type: GrantFiled: March 31, 2010Date of Patent: December 10, 2013Assignee: Mitsui Chemicals, Inc.Inventors: Naoshi Nagai, Shiro Nakatsuka, Kazuoki Nakai, Kenji Sugimura, Yasushi Tohi, Ken Yoshitsugu, Hideki Bando, Yasuyuki Harada
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Publication number: 20130108301Abstract: An input device of an image forming apparatus is provided with a panel portion, which has a display portion and by which input is carried out by a user touching the display portion, and in which at least one portion is displaced according to touch by the user, and at least one switch portion by which input is carried out by an operation according to displacement exceeding a preset displacement amount of the panel portion. Input by the input device includes a first input, which is input carried out using only the panel portion, and a second input, which is input carried out using the panel portion and the switch portion.Type: ApplicationFiled: October 25, 2012Publication date: May 2, 2013Inventors: Norihide MOMOSE, Kenji SUGIMURA
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Publication number: 20130063747Abstract: An original reading apparatus provided with an original placement portion on which an original is place, and an original size/type detecting portion for detecting a size and/or a type of the original placed on the original placement portion, includes: a display portion that performs color display; and a display control portion that changes a color of a display screen displayed on the display portion based on the size and/or the type of the original detected by the original size/type detecting portion.Type: ApplicationFiled: August 27, 2012Publication date: March 14, 2013Applicant: SHARP KABUSHIKI KAISHAInventor: Kenji SUGIMURA
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Publication number: 20120095167Abstract: The invention provides a method for preventing fouling in chemical equipment, comprising adding an antifouling agent which comprises a polyoxyalkylene polymer having Mn of 30,000 or less to a component in the chemical equipment.Type: ApplicationFiled: March 31, 2010Publication date: April 19, 2012Applicant: MITSUI CHEMICALS, INC.Inventors: Naoshi Nagai, Shiro Nakatsuka, Kazuoki Nakai, Kenji Sugimura, Yasushi Tohi, Ken Yoshitsugu, Hideki Bando, Yasuyuki Harada
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Publication number: 20110256402Abstract: Provided is an ethylene polymer composition which can be obtained with a solid phase method such as solid phase drawing molding, is suitable for producing a molded article having high strength, and has the following properties. This ethylene polymer composition comprises an ethylene polymer (a) with an intrinsic viscosity [?] of not less than 2 dL/g and not more than 20 dL/g and an ethylene polymer (b) with an intrinsic viscosity [?] of more than 35 dL/g and not more than 50 dL/g, with the mass ratio (a)/(b) being from 0/100 to 50/50 and the [?] for the entire composition being more than 30 dL/g and not more than 50 dL/g. The method for producing the ethylene polymer composition includes, for example, the polymerization of an ethylene-containing olefin under specific conditions using a catalyst for olefin polymerization which comprises a solid titanium catalyst component comprising magnesium, a halogen and titanium.Type: ApplicationFiled: December 22, 2009Publication date: October 20, 2011Applicant: MITSUI CHEMICAL. INCInventors: Kazuto Sugiyama, Mineo Kubo, Atsushi Morita, Yasuhiro Kai, Kenji Sugimura
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Publication number: 20110165416Abstract: [Object] To provide a resin composition with excellent mold releasability and blocking resistance. [Solution] A resin composition containing a 4-methyl-1-pentene polymer includes 0.01 to 10 parts by mass of a 4-methyl-1-pentene polymer (B) per 100 parts by mass of at least one resin (A) selected from the group consisting of thermoplastic resins and thermosetting resins, wherein the 4-methyl-1-pentene polymer (B) has (B1) an intrinsic viscosity [?] of 0.01 or more but less than 0.50 dl/g measured at 135° C. in a decalin solvent.Type: ApplicationFiled: January 10, 2011Publication date: July 7, 2011Inventors: Kuniaki KAWABE, Masayoshi Sutou, Toshiyuki Itou, Mai Kurihara, Akinori Etoh, Shinichirou Asao, Kenji Sugimura, Hiroshi Hoya, Koji Matsunaga, Yoji Hayakawa, Kunihiko Mizumoto
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Patent number: 7741419Abstract: A process for producing an olefin polymer is provided, in which ethylene and at least one kind or more of monomers selected from ?-olefins are polymerized by a high temperature solution polymerization in a temperature range between 120 and 300° C., in the presence of an olefin polymerization catalyst composed of a bridged metallocene compound represented by general formula [I] described below and at least one kind or more compounds (B) selected from (b-1) an organoaluminum oxy-compound, (b-2) a compound capable of forming an ion pair in a reaction with the bridged metallocene compound mentioned above, and (b-3) an organoaluminum compound.Type: GrantFiled: March 30, 2005Date of Patent: June 22, 2010Assignee: Mitsui Chemicals, Inc.Inventors: Yasushi Tohi, Kenji Sugimura, Toshiyuki Tsutsui
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Publication number: 20090270580Abstract: Provided is an ethylene polymer of the present invention, which is a copolymer of ethylene and an ?-olefin having 4 to 10 carbon atoms, and satisfies the following conditions [1] to [4] simultaneously: [1] an MFR is in the range of 0.10 to 100 g/10 min, [2] a density (D) is in the range of 860 to 930 kg/m3, [3] a ratio (Mw/Mn) of the weight average molecular weight to the number average molecular weight is in the range of 1.50 or more and 3.00 or less, and [4] it satisfies a specific relationship, in accordance with the MFR value of the condition [1], between the ratio (H/W) of the height (H) of a peak having a highest peak intensity to the width (W) at a half of the height of the peak having the highest peak intensity for an elution curve obtained by a temperature rising elution fractionation, and the density (D).Type: ApplicationFiled: September 22, 2006Publication date: October 29, 2009Inventors: Yasuo Satoh, Yasushi Tohi, Kenji Sugimura, Takahiro Akashi, Koji Endo
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Publication number: 20060270812Abstract: A process for producing an olefin polymer is provided, in which ethylene and at least one kind or more of monomers selected from ?-olefins are polymerized by a high temperature solution polymerization in a temperature range between 120 and 300° C., in the presence of an olefin polymerization catalyst composed of a bridged metallocene compound represented by general formula [I] described below and at least one kind or more compounds (B) selected from (b-1) an organoaluminum oxy-compound, (b-2) a compound capable of forming an ion pair in a reaction with the bridged metallocene compound mentioned above, and (b-3) an organoaluminum compound.Type: ApplicationFiled: March 30, 2005Publication date: November 30, 2006Applicant: MITSUI CHEMICALS, INC.Inventors: Yasushi Tohi, Kenji Sugimura, Toshiyuki Tsutsui
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Patent number: 6403708Abstract: Crystalline polypropylene contains components insoluble in 64° C. decane satisfying the characteristics involving intrinsic viscosity; Mz/Mn; pentadvisotacticity, D value and Mw/Mn, are excellent in hardness and rigidity, high in melt tension, and excellent in molding properties. Processes for preparing such crystalline polypropylenes, and polypropylene compositions and thermoformed products that contain such crystalline polypropylenes are also described. The number-average molecular weight Mn of the components insoluble in 64° C. decane is preferably 25000 or more.Type: GrantFiled: November 25, 1998Date of Patent: June 11, 2002Assignee: Mitsui Chemicals INCInventors: Satoru Moriya, Shinya Matsunaga, Shinichi Kojoh, Kenji Sugimura, Masahiro Kishine, Norio Kaneshige, Mamoru Kioka, Teruhisa Kojima
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Patent number: 6329465Abstract: The present invention is intended to obtain an ethylene copolymer composition having excellent transparency, mechanical strength and moldability. The ethylene copolymer composition comprises an ethylene/&agr;-olefin copolymer and high-pressure radical process low-density polyethylene. The ethylene/&agr;-olefin copolymer is a copolymer of ethylene and an &agr;-olefin of 6 to 8 carbon atoms and has the following properties: the melt tension (MT) and the melt flow rate (MFR) satisfy the relation 9.0×MFR−0.65>MT>2.2×MFR−0.84; the activation energy ((Ea)×10−4 J/molK) of flow, the carbon atom number (C) of the &agr;-olefin in the copolymer and the &agr;-olefin content (x mol %) in the copolymer satisfy the relation (0.039Ln(C−2)+0.0096)×x+2.87<Ea×10−4≦(0.039Ln(C−2)+0.1660)×x+2.87; and the haze of an inflation film produced from said copolymer satisfies a specific relation.Type: GrantFiled: November 8, 1999Date of Patent: December 11, 2001Assignee: Mitsui Chemical INCInventors: Mamoru Takahashi, Takashi Nakagawa, Kenji Sugimura, Ken Yoshitsugu
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Publication number: 20010025090Abstract: The present invention presents crystalline polypropylenes that contain components insoluble in 64° C. decane that satisfy the following characteristics (1) to (4) and are excellent in hardness and rigidity, high in melt tension, and excellent in molding properties, process for preparing such crystalline polypropylenes, and polypropylene compositions and thermoformed products that contain such crystalline polypropylenes.Type: ApplicationFiled: November 25, 1998Publication date: September 27, 2001Inventors: SATORU MORIYA, SHINYA MATSUNAGA, SHINICHI KOJOH, KENJI SUGIMURA, MASAHIRO KISHINE, NORIO KANESHIGE, MAMORU KIOKA, TERUHISA KOJIMA
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Patent number: RE42957Abstract: A process for producing an olefin polymer is provided, in which ethylene and at least one kind or more of monomers selected from ?-olefins are polymerized by a high temperature solution polymerization in a temperature range between 120 and 300° C., in the presence of an olefin polymerization catalyst composed of a bridged metallocene compound represented by general formula [I] described below and at least one kind or more compounds (B) selected from (b-1) an organoaluminum oxy-compound, (b-2) a compound capable of forming an ion pair in a reaction with the bridged metallocene compound mentioned above, and (b-3) an organoaluminum compound.Type: GrantFiled: March 30, 2005Date of Patent: November 22, 2011Assignee: Mitsui Chemicals, Inc.Inventors: Yasushi Tohi, Kenji Sugimura, Toshiyuki Tsutsui