Patents by Inventor Norimasa Fukazawa
Norimasa Fukazawa 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: 11315885Abstract: The present invention provides an electronic component package including an electronic component mounted on a circuit board having a ground pattern, a mold containing an epoxy resin that encapsulates the electronic component, and a shield layer formed on the mold. The shield layer is formed by stacking a metal particle layer, a copper plating layer, and a nickel plating layer in this order from the mold side, and the shield layer is grounded to the ground pattern. The present invention also provides a method for manufacturing the electronic component package. The electronic component package is excellent in the adhesion of the shield layer.Type: GrantFiled: February 21, 2019Date of Patent: April 26, 2022Assignee: DIC CORPORATIONInventors: Jun Shirakami, Norimasa Fukazawa
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Publication number: 20220102287Abstract: The present invention provides an electronic component package including an electronic component mounted on a circuit board having a ground pattern, a mold containing an epoxy resin that encapsulates the electronic component, and a shield layer formed on the mold. The shield layer is formed by stacking a metal particle layer, a copper plating layer, and a nickel plating layer in this order from the mold side, and the shield layer is grounded to the ground pattern. The present invention also provides a method for manufacturing the electronic component package. The electronic component package is excellent in the adhesion of the shield layer.Type: ApplicationFiled: December 13, 2021Publication date: March 31, 2022Applicant: DIC CORPORATIONInventors: Jun Shirakami, Norimasa Fukazawa
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Publication number: 20200373248Abstract: The present invention provides an electronic component package including an electronic component mounted on a circuit board having a ground pattern, a mold containing an epoxy resin that encapsulates the electronic component, and a shield layer formed on the mold. The shield layer is formed by stacking a metal particle layer, a copper plating laver, and a nickel plating layer in this order from the mold side, and the shield layer is grounded to the ground pattern. The present invention also provides a method for manufacturing the electronic component package. The electronic component package is excellent in the adhesion of the shield layer.Type: ApplicationFiled: February 21, 2019Publication date: November 26, 2020Applicant: DIC CorporationInventors: Jun Shirakami, Norimasa Fukazawa
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Publication number: 20190070631Abstract: Provided is a method for producing a laminate in which a substrate (A) comprising a resin composition containing polyphenylene sulfide (a1), a primer resin layer (B), a metal layer (C), and a metal plating layer (D) are sequentially stacked, wherein the method is characterized by comprising: a first step of applying a fluid material containing a primer resin to the surface of the substrate (A) by an immersion method to form a primer resin layer (B); a second step of applying a fluid material containing metal particles to the surface of the primer resin layer (B) by an immersion method to form a metal layer (C); and a third step of forming a metal plating layer (D) on the surface of the metal layer (C) by an electroplating method, an electroless plating method, or a combination thereof. By the method for producing a laminate, a metal film can be easily formed with high adhesion on the surface of polyphenylene sulfide, which is a hard-to-bond base material.Type: ApplicationFiled: March 7, 2017Publication date: March 7, 2019Inventors: Wataru FUJIKAWA, Jun SHIRAKAMI, Norimasa FUKAZAWA
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Publication number: 20160215399Abstract: The present invention provides: a catalyst for electroless plating composed of a complex of a compound (X) and metal nanoparticles (Y), wherein the compound (X) is produced by polymerizing a monomer mixture (I) containing a (meth)acrylic acid-based monomer having at least one anionic functional group selected from the group consisting of a carboxyl group, a phosphoric acid group, a phosphorous acid group, a sulfonic acid group, a sulfinic acid group and a sulfenic acid group, and also provides a metal film produced using the catalyst, and a method for producing a metal film using the catalyst.Type: ApplicationFiled: June 16, 2014Publication date: July 28, 2016Applicant: DIC CORPORATIONInventors: Norimasa Fukazawa, Shota Niibayashi, Nobuhiro Sekine, Yoshiyuki Sano, Masayuki Moriwaki, Kaori Kawamura, Kuniaki Ohtsuka, Junhaeng Kang, Tomo Moriguti
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Patent number: 8895850Abstract: The present invention provides a phthalocyanine nanorod; an ink composition containing the phthalocyanine nanorod; a transistor containing the phthalocyanine nanorod; a material for a photoelectric conversion device, the material containing the phthalocyanine nanorod; and a photoelectric conversion device containing the phthalocyanine nanorod between the positive electrode and the negative electrode. Since an ink composition containing a nanorod according to the present invention can be formed into a film by a wet process such as a coating method or a printing method, an electronic device that is less likely to fail and is lightweight and inexpensive can be produced on a flexible plastic substrate.Type: GrantFiled: May 19, 2011Date of Patent: November 25, 2014Assignee: DIC Corporation (Tokyo)Inventors: Hideki Etori, Hideyuki Murata, Norimasa Fukazawa, Shou Inagaki
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Publication number: 20140158203Abstract: The present invention provides a phthalocyanine nanorod; an ink composition containing the phthalocyanine nanorod; a transistor containing the phthalocyanine nanorod; a material for a photoelectric conversion device, the material containing the phthalocyanine nanorod; and a photoelectric conversion device containing the phthalocyanine nanorod between the positive electrode and the negative electrode. Since an ink composition containing a nanorod according to the present invention can be formed into a film by a wet process such as a coating method or a printing method, an electronic device that is less likely to fail and is lightweight and inexpensive can be produced on a flexible plastic substrate.Type: ApplicationFiled: May 19, 2011Publication date: June 12, 2014Applicant: DIC CORPORATIONInventors: Hideki Etori, Hideyuki Murata, Norimasa Fukazawa, Shou Inagaki
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Patent number: 8629431Abstract: The present invention provides a photoelectric conversion device that is durable, lightweight, and inexpensive, and has a network structure of organic semiconductor nanowires that has high durability and is suitable for charge transport. In addition, to provide the photoelectric conversion device, the present invention provides, as an electron-donating material, a material for a photoelectric conversion device, the material including phthalocyanine nanowires having a breadth of 50 nm or less and a ratio (length/breadth) of a length to the breadth, the ratio being 10 or more. According to the present invention, a photoelectric conversion device having a long life due to high light resistance of phthalocyanine can be provided at a low cost. Use of such photoelectric conversion devices can constitute a solar-cell module having a long life due to the feature of the photoelectric conversion devices and being manufactured at a low cost.Type: GrantFiled: October 12, 2010Date of Patent: January 14, 2014Assignee: DIC CorporationInventors: Hideki Etori, Hideyuki Murata, Norimasa Fukazawa, Shou Inagaki
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Patent number: 8486494Abstract: An organic/inorganic composite coating film comprising an inorganic material as a matrix and an organic material combined therewith. The coating film has a regular hollow structure therein, and the coating film surface has a rugged pattern with semispherical protrusions. Also provided is a large-area structural color film obtained by burning the composite coating film. The organic/inorganic composite coating film is obtained by applying an aqueous coating composition comprising a metal alkoxide, an aqueous dispersion of monodisperse polymer particles, and an acid catalyst to a substrate and curing the coating composition. Burning the organic/inorganic composite coating film gives the structural color film.Type: GrantFiled: March 6, 2008Date of Patent: July 16, 2013Assignees: Kawamura Institute of Chemical Research, DIC CorporationInventors: Norimasa Fukazawa, Ren-Hua Jin
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Patent number: 8470204Abstract: The present invention provides phthalocyanine nanowires having a minor diameter of 100 nm or less and a ratio (length/minor diameter) of length to minor diameter of 10 or more, an ink composition characterized by containing, as essential components, the phthalocyanine nanowires and an organic solvent, a film including the phthalocyanine nanowires, and an electronic element including a film. Since by using an ink composition containing the phthalocyanine nanowires of the present invention a phthalocyanine film can be formed by a wet process such as coating or printing, a break-proof, lightweight, low-cost electronic element can be provided on a flexible plastic substrate.Type: GrantFiled: April 13, 2010Date of Patent: June 25, 2013Assignee: DIC CorporationInventors: Hideki Etori, Hideyuki Murata, Norimasa Fukazawa, Shou Inagaki, Hiroshi Isozumi, Masanori Kasai
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Publication number: 20120308822Abstract: The present invention provides a photoelectric conversion device that is durable, lightweight, and inexpensive, and has a network structure of organic semiconductor nanowires that has high durability and is suitable for charge transport. In addition, to provide the photoelectric conversion device, the present invention provides, as an electron-donating material, a material for a photoelectric conversion device, the material including phthalocyanine nanowires having a breadth of 50 nm or less and a ratio (length/breadth) of a length to the breadth, the ratio being 10 or more. According to the present invention, a photoelectric conversion device having a long life due to high light resistance of phthalocyanine can be provided at a low cost. Use of such photoelectric conversion devices can constitute a solar-cell module having a long life due to the feature of the photoelectric conversion devices and being manufactured at a low cost.Type: ApplicationFiled: October 12, 2010Publication date: December 6, 2012Applicant: DIC CorporationInventors: Hideki Etori, Hideyuki Murata, Norimasa Fukazawa, Shou Inagaki
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Publication number: 20120104335Abstract: The present invention provides phthalocyanine nanowires having a minor diameter of 100 nm or less and a ratio (length/minor diameter) of length to minor diameter of 10 or more, an ink composition characterized by containing, as essential components, the phthalocyanine nanowires and an organic solvent, a film including the phthalocyanine nanowires, and an electronic element including a film. Since by using an ink composition containing the phthalocyanine nanowires of the present invention a phthalocyanine film can be formed by a wet process such as coating or printing, a break-proof, lightweight, low-cost electronic element can be provided on a flexible plastic substrate.Type: ApplicationFiled: April 13, 2010Publication date: May 3, 2012Applicant: DIC CORPORATIONInventors: Hideki Etori, Hideyuki Murata, Norimasa Fukazawa, Shou Inagaki, Hiroshi Isozumi, Masanori Kasai
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Patent number: 8017542Abstract: The present invention provides a doped titanium oxide having visible light-responsiveness whose structure is specified, and a simple production method thereof. By burning with heat a layered structure composite laminated alternately with polymer and the titania, which is obtained using basic polymer having amino group(s) and water-soluble titanium compound, carbon atoms and nitrogen atoms in the polymer are, doped to the crystalline surface of titanium oxide. As making the polymer complex with metal ions beforehand, the metal ions can be also doped to the titanium oxide.Type: GrantFiled: December 10, 2007Date of Patent: September 13, 2011Assignees: Kawamura Institute of Chemical Research, DIC CorporationInventors: Ren-Hua Jin, Pei-Xin Zhu, Norimasa Fukazawa
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Publication number: 20110020648Abstract: The hollow polymer particles of the present invention comprise a shell wall having for a main component thereof a copolymer obtained by polymerizing a monomer group (I) including a radical polymerizable water-soluble monomer (A) and a radical polymerizable water-insoluble monomer (B), and have a thickness of the shell wall of 5 to 80 nm. In addition, in the hollow polymer particle production process of the present invention, a monomer group (I) including a radical polymerizable water-soluble monomer (A) and a radical polymerizable water-insoluble monomer (B) is radical-polymerized using a polymerization initiator in an aqueous medium.Type: ApplicationFiled: March 29, 2007Publication date: January 27, 2011Applicants: KAWAMURA INSTITUTE OF CHEMICAL RESEARCH, DIC CORPORATIONInventors: Norimasa Fukazawa, Ren-Hua Jin
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Publication number: 20100104810Abstract: An organic/inorganic composite coating film comprising an inorganic material as a matrix and an organic material combined therewith. The coating film has a regular hollow structure therein, and the coating film surface has a rugged pattern with semispherical protrusions. Also provided is a large-area structural color film obtained by burning the composite coating film. The organic/inorganic composite coating film is obtained by applying an aqueous coating composition comprising a metal alkoxide, an aqueous dispersion of monodisperse polymer particles, and an acid catalyst to a substrate and curing the coating composition. Burning the organic/inorganic composite coating film gives the structural color film.Type: ApplicationFiled: March 6, 2008Publication date: April 29, 2010Applicants: KAWAMURA INSTITUTE OF CHEMICAL RESEARCH, DIC CORPORATIONInventors: Norimasa Fukazawa, Ren-Hua Jin
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Publication number: 20100062928Abstract: The present invention provides a doped titanium oxide having visible light-responsiveness whose structure is specified, and a simple production method thereof. By burning with heat a layered structure composite laminated alternately with polymer and the titania, which is obtained using basic polymer having amino group(s) and water-soluble titanium compound, carbon atoms and nitrogen atoms in the polymer are, doped to the crystalline surface of titanium oxide. As making the polymer complex with metal ions beforehand, the metal ions can be also doped to the titanium oxide.Type: ApplicationFiled: December 10, 2007Publication date: March 11, 2010Applicants: KAWAMURA INSTITUTE OF CHEMICAL RESEARCH, DIC CorporationInventors: Ren-Hua Jin, Pei-Xin Zhu, Norimasa Fukazawa
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Publication number: 20080058499Abstract: The three-dimensional periodic structure of the present invention comprises a matrix made of an inorganic oxides in which core-shell particles are disposed so as to contact with each other, the core-shell particles each comprising a core portion made of a fine particle and a shell portion made of a crosslinked hydrophilic organic polymer backbones, wherein the hydrophilic organic polymer backbones and the inorganic oxides hybridize into an organic/inorganic a composite.Type: ApplicationFiled: August 7, 2007Publication date: March 6, 2008Applicant: KAWAMURA INSTITUTE OF CHEMICAL RESEARCHInventors: Norimasa Fukazawa, Ren-Hua Jin
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Publication number: 20060078736Abstract: The three-dimensional periodic structure of the present invention comprises a matrix made of an inorganic oxides in which core-shell particles are disposed so as to contact with each other, the core-shell particles each comprising a core portion made of a fine particle and a shell portion made of a crosslinked hydrophilic organic polymer backbones, wherein the hydrophilic organic polymer backbones and the inorganic oxides hybridize into an organic/inorganic a composite.Type: ApplicationFiled: August 18, 2005Publication date: April 13, 2006Applicant: KAWAMURA INSTITUTE OF CHEMICAL RESEARCHInventors: Norimasa Fukazawa, Ren-Hua Jin