Patents by Inventor Makoto Soyama
Makoto Soyama 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: 10961388Abstract: Resin compositions according to exemplary embodiments of the present invention are first compositions containing a polylactic acid resin, an aliphatic polyester resin, a surface-treated metal hydrate, and a carbodiimide compound, or second compositions containing a polysiloxane-mixed polyester resin, a phosphorus-containing flame retardant, a metal hydrate and a fluorine-containing polymer in specific ratios.Type: GrantFiled: December 2, 2016Date of Patent: March 30, 2021Assignee: NEC CORPORATIONInventors: Makoto Soyama, Masatoshi Iji, Shukichi Tanaka, Kiyohiko Toyama
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Publication number: 20200263028Abstract: Resin compositions according to exemplary embodiments of the present invention are first compositions containing a polylactic acid resin, an aliphatic polyester resin, a surface-treated metal hydrate, and a carbodiimide compound, or second compositions containing a polysiloxane-mixed polyester resin, a phosphorus-containing flame retardant, a metal hydrate and a fluorine-containing polymer in specific ratios.Type: ApplicationFiled: December 2, 2016Publication date: August 20, 2020Applicant: NEC CORPORATIONInventors: Makoto SOYAMA, Masatoshi IJI, Shukichi TANAKA, Kiyohiko TOYAMA
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Publication number: 20180346713Abstract: A polylactic acid resin composition according to an embodiment of the invention includes a polylactic acid resin, an aliphatic polyester resin, a carbodiimide compound and a metal hydrate, in which the metal hydrate is surface-treated with a specific silane coupling agent; and the carbodiimide compound includes an aliphatic carbodiimide compound.Type: ApplicationFiled: December 2, 2016Publication date: December 6, 2018Applicant: NEC CORPORATIONInventors: Makoto SOYAMA, Masatoshi IJI, Shukichi TANAKA, Kiyohiko TOYAMA
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Publication number: 20150368442Abstract: A composition containing a cellulose resin (X) obtained by binding an organic group to cellulose or a derivative thereof and a linear aliphatic polyester (Y), which is at least one of the following linear aliphatic polyesters (Y1) and (Y2) or a crosslinked product thereof: (Y1) a linear aliphatic polyester containing at least one of repeat units represented by the following formula (I) and formula (II) —(CO—R1—COO—R2—O)—??formula (I) where R1 represents a bivalent aliphatic group having 1 to 12 carbon atoms and R2 represents a bivalent aliphatic group having 2 to 12 carbon atoms. —(CO—R3—O)—??formula (II) where R3 represents a bivalent aliphatic group having 2 to 10 carbon atoms. (Y2) a linear aliphatic polyester comprising a ring-opening polymerization product of a cyclic ester.Type: ApplicationFiled: January 30, 2014Publication date: December 24, 2015Applicant: NEC CORPORATIONInventors: Makoto SOYAMA, Yukihiro KIUCHI, Masatoshi IJI, Shukichi TANAKA, Kiyohiko TOYAMA
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Publication number: 20140309379Abstract: Disclosed are a polysiloxane-modified polylactic acid resin, composition using same, molded article, and production method, whereby it is possible to produce a molded article via a simple method, and where said article may be used in applications demanding a high level of impact resistance as an alternative to ABS resin or the like, has a similar level of impact resistance as said substances, has superior flexibility with respect to rupture bending strain and tensile breaking strain, and has bleed resistance. The polysiloxane-modified polylactic acid resin has a segment which is a polylactic acid compound, and a segment which is an amino polysiloxane compound which has an amine group. With respect to the amino poly-siloxane compound, amine groups are on average contained in the range of 0.01 to 2.5% inclusive by mass, and with respect to the polylactic acid compound, are on average contained in the range of 3 to 300 ppm inclusive by mass.Type: ApplicationFiled: June 24, 2014Publication date: October 16, 2014Applicant: NEC CORPORATIONInventors: Makoto SOYAMA, Akinobu NAKAMURA, Masatoshi IJI
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Publication number: 20130005872Abstract: An exemplary embodiment provides a polylactic acid resin composition, which has bleed resistance even if it is used in applications requiring high level impact resistance and flame retardance and can be produced by a simple method, and provides a molded article made by using the same. A polylactic acid resin composition according to the exemplary embodiment contains a phosphorus compound (A), a polylactic acid resin (C) and a polysiloxane compound (B) including a functional group capable of reacting with the polylactic acid resin (C) as essential components. A molded article according to the exemplary embodiment is obtained by molding the polylactic acid resin composition.Type: ApplicationFiled: December 17, 2010Publication date: January 3, 2013Inventors: Yukihiro Kiuchi, Naoki Morishita, Makoto Soyama, Masatoshi Iji
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Patent number: 8202450Abstract: A flame-retardant thermoplastic resin composition comprising at least a plant-derived resin (A) and a flame retardant (B), wherein the weight proportions of the individual components in the flame-retardant thermoplastic resin composition are: 30?W1<55.5 44.5<X1?70 wherein W1 is the percentage by mass of the plant-derived resin (A) and X1 is the percentage by mass of the flame retardant (B), and 90% by mass or more of the flame retardant (B) is composed of a metal hydrate containing an alkali metal-based substance in an amount of 0.2% by mass or less.Type: GrantFiled: July 28, 2010Date of Patent: June 19, 2012Assignee: NEC CorporationInventors: Yukihiro Kiuchi, Tsunenori Yanagisawa, Syukichi Tanaka, Makoto Soyama, Kazuhiko Inoue, Masatoshi Iji
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Patent number: 8138256Abstract: Disclosed is a flame-retardant resin composition which comprises inorganic particles, preferably a fly ash, containing a complex of silicon dioxide and aluminum oxide and having D50 of 1 to 10 ?m.Type: GrantFiled: February 23, 2005Date of Patent: March 20, 2012Assignee: NEC CorporationInventors: Makoto Soyama, Kazuhiko Inoue, Masatoshi Iji
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Publication number: 20110313114Abstract: Disclosed are a polysiloxane-modified polylactic acid resin, composition using same, molded article, and production method, whereby it is possible to produce a molded article via a simple method, and where said article may be used in applications demanding a high level of impact resistance as an alternative to ABS resin or the like, has a similar level of impact resistance as said substances, has superior flexibility with respect to rupture bending strain and tensile breaking strain, and has bleed resistance. The polysiloxane-modified polylactic acid resin has a segment which is a polylactic acid compound, and a segment which is an amino polysiloxane compound which has an amine group. With respect to the amino poly-siloxane compound, amine groups are on average contained in the range of 0.01 to 2.5% inclusive by mass, and with respect to the polylactic acid compound, are on average contained in the range of 3 to 300 ppm inclusive by mass.Type: ApplicationFiled: March 8, 2010Publication date: December 22, 2011Applicant: NEC CORPORATIONInventors: Makoto Soyama, Akinobu Nakamura, Masatoshi Iji
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Publication number: 20100311886Abstract: A flame-retardant thermoplastic resin composition comprising at least a plant-derived resin (A) and a flame retardant (B), wherein the weight proportions of the individual components in the flame-retardant thermoplastic resin composition are: 30?W1<55.5 44.5<X1?70 wherein W1 is the percentage by mass of the plant-derived resin (A) and X1 is the percentage by mass of the flame retardant (B), and 90% by mass or more of the flame retardant (B) is composed of a metal hydrate containing an alkali metal-based substance in an amount of 0.2% by mass or less.Type: ApplicationFiled: July 28, 2010Publication date: December 9, 2010Inventors: Yukihiro Kiuchi, Tsunenori Yanagisawa, Syukichi Tanaka, Makoto Soyama, Kazuhiko Inoue, Masatoshi Iji
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Patent number: 7790069Abstract: A flame-retardant thermoplastic resin composition comprising at least a plant-derived resin (A) and a flame retardant (B), wherein the weight proportions of the individual components in the flame-retardant thermoplastic resin composition are: 30?W1<55.5 44.5<X1?70 wherein W1 is the percentage by mass of the plant-derived resin (A) and X1 is the percentage by mass of the flame retardant (B), and 90% by mass or more of the flame retardant (B) is composed of a metal hydrate containing an alkali metal-based substance in an amount of 0.2% by mass or less.Type: GrantFiled: December 3, 2004Date of Patent: September 7, 2010Assignee: NEC CorporationInventors: Yukihiro Kiuchi, Tsunenori Yanagisawa, Syukichi Tanaka, Makoto Soyama, Kazuhiko Inoue, Masatoshi Iji
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Publication number: 20080269361Abstract: Disclosed is a flame-retardant resin composition which comprises inorganic particles, preferably a fly ash, containing a complex of silicon dioxide and aluminum oxide and having D50 of 1 to 10 ?m.Type: ApplicationFiled: February 23, 2005Publication date: October 30, 2008Inventors: Makoto Soyama, Kazuhiko Inoue, Masatoshi Iji
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Patent number: 7330311Abstract: There is provided a transmission type screen having a directional light scattering lens and a fresnel lens, wherein the fresnel lens has contact portions that contact with the directional light scattering lens and non-contact portions which are provided between the contact portions, whose height is lower than that of the contact portions and which do not contact with the directional light scattering lens. The invention realizes the very practical transmission type screen that allows viewers to appreciate good images in which blur and Moire are inconspicuous by preventing the blur from occurring on the screen and by reducing the intensity of Moire which is caused by the periodic structure of the fresnel and lenticular lenses.Type: GrantFiled: July 8, 2005Date of Patent: February 12, 2008Assignee: Arisawa Mfg. Co., Ltd.Inventors: Makoto Soyama, Masato Fuse
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Publication number: 20070153394Abstract: A microlens array includes a plurality of microlens arranged in a matrix. An angle between a lens surface and a bottom surface of the microlens is 65 degrees-80 degrees. The boundary between adjacent microlenses may have an undulation on a surface vertical to an optical axis direction. Each of the boundaries may have a portion in which an angle between the lens surface and the bottom surface of the microlens is 65 degrees-80 degrees. A horizontal or vertical boundary in the microlens may have an undulation on a surface vertical to an optical axis.Type: ApplicationFiled: January 3, 2007Publication date: July 5, 2007Applicant: Arisawa Mfg. Co., Ltd.Inventor: Makoto Soyama
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Publication number: 20070008618Abstract: There is provided a transmission type screen having a directional light scattering lens and a fresnel lens, wherein the fresnel lens has contact portions that contact with the directional light scattering lens and non-contact portions which are provided between the contact portions, whose height is lower than that of the contact portions and which do not contact with the directional light scattering lens. The invention realizes the very practical transmission type screen that allows viewers to appreciate good images in which blur and Moire are inconspicuous by preventing the blur from occurring on the screen and by reducing the intensity of Moire which is caused by the periodic structure of the fresnel and lenticular lenses.Type: ApplicationFiled: July 8, 2005Publication date: January 11, 2007Applicant: Arisawa Mfg. Co., Ltd.Inventors: Makoto Soyama, Masato Fuse
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Publication number: 20060208374Abstract: A method of manufacturing a lens sheet including: a mold making process in which the flexible mold used for molding the lens portion is made; a resin pouring process in which the resin for the lens portion is poured and filled in between the mold and the glass substrate; a resin curing process in which the resin for the lens portion is cured; and a mold releasing process in which the one edge of the mold is pulled up and bended the body thereof to be separated from the glass substrate completely.Type: ApplicationFiled: January 30, 2006Publication date: September 21, 2006Applicant: Arisawa Mfg. Co., Ltd.Inventors: Hiroyuki Shimotsuma, Makoto Soyama, Yukio Asano, Kazunari Imai
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Publication number: 20060203332Abstract: The lens sheet of the present embodiment comprises a lens portion which is formed on one side of the lens sheet and has a microrelief surface, a substrate which is arranged on the opposite side to the microrelief surface and supports the lens portion, and a buffer layer which is sandwiched between the lens portion and the substrate and has a smaller storage elastic modulus than those of the lens portion and the substrate. The lens portion can be divided into plurality of sub-portions, each of which has a discrete bottom attaching to the buffer layer, and is supported independently by the buffer layer.Type: ApplicationFiled: January 24, 2006Publication date: September 14, 2006Applicant: Arisawa Mfg., Ltd.Inventors: Hiroyuki Shimotsuma, Makoto Soyama
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Publication number: 20060198033Abstract: The Fresnel lens sheet has a plurality of prisms arranged concentrically. The plurality of prisms consists of discontinuous concentric circles in a random mosaic manner. The plurality of prisms may have various circumferential widths. In two radially adjacent prisms of the plurality of prisms, circumferential ends of one prism may not be extensions of the end of the other inner or outer adjacent prism. Two circumferentially adjacent prisms of the plurality of the prisms may be different in distance from the center of the Fresnel circle from each other.Type: ApplicationFiled: March 3, 2006Publication date: September 7, 2006Applicant: Arisawa Mfg. Co., Ltd.Inventors: Makoto Soyama, Masato Fuse
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Publication number: 20060126173Abstract: There is provided a rear projection screen for transmitting image light. The rear projection screen has a plurality of single lenses arrayed evenly on an incident plane for inputting the image light and having focal points in the vicinity of an outgoing plane of the rear projection screen, an incident-side black matrix, formed in lens boundaries where the plurality of single lenses adjoin each other, for blocking the image light incident on the lens boundaries and an outgoing-side black matrix in which an opening centering on an optical axis of the single lens is formed in the vicinity of each focal point of the plurality of single lenses in the vicinity of the outgoing plane of the rear projection screen.Type: ApplicationFiled: December 5, 2005Publication date: June 15, 2006Applicant: Arisawa Mfg. Co., Ltd.Inventors: Kenichi Yakushiji, Makoto Soyama, Hiroyuki Shimotsuma, Keisuke Adachi
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Publication number: 20060082886Abstract: There is provided a transmissive type screen having a high contrast and display quality. The transmissive type screen has at least, in order from the side of a light source, a Fresnel lens, a microlens array and a transparent high cross-linking section formed at a focal point of each microlens and has an opaque section around the high cross-linking section centering on an optical axis of each microlens. Here, the opaque section shuts out light by dye molecules dispersed therein.Type: ApplicationFiled: December 2, 2005Publication date: April 20, 2006Applicant: Arisawa Mfg. Co., Ltd.Inventors: Kenichi Yakushiji, Keisuke Adachi, Makoto Soyama