Patents by Inventor Shigeyuki Furomoto
Shigeyuki Furomoto 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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Publication number: 20230053367Abstract: Provided is a three-dimensional modeling material used for a fused deposition modeling three-dimensional printer. The three-dimensional modeling material has a multilayer structure and contains, in respective different layers, a thermoplastic resin (A) having a shear storage elastic modulus (G?) of 1.00×107 Pa or less as measured at 100° C. and 1 Hz and a thermoplastic resin (B) having a shear storage elastic modulus (G?) of more than 1.00×107 Pa as measured at 100° C. and 1 Hz.Type: ApplicationFiled: October 6, 2022Publication date: February 23, 2023Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Akiko HIRANO, Shigeyuki FUROMOTO
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Patent number: 11491707Abstract: Provided is a three-dimensional modeling material used for a fused deposition modeling three-dimensional printer. The three-dimensional modeling material has a multilayer structure and contains, in respective different layers, a thermoplastic resin (A) having a shear storage elastic modulus (G?) of 1.00×107 Pa or less as measured at 100° C. and 1 Hz and a thermoplastic resin (B) having a shear storage elastic modulus (G?) of more than 1.00×107 Pa as measured at 100° C. and 1 Hz.Type: GrantFiled: July 29, 2020Date of Patent: November 8, 2022Assignee: Mitsubishi Chemical CorporationInventors: Akiko Hirano, Shigeyuki Furomoto
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Patent number: 11268214Abstract: The present invention provides a filament for material extrusion 3D printer molding, which affords a molded article having soft texture and excellent heat resistance and among others, exhibits good moldability in molding by a material extrusion 3D printer. The present invention relates to a filament for material extrusion 3D printer molding, including a thermoplastic elastomer which contains at least a specific block copolymer and in which the ratio between storage modulus and loss modulus measured at 200° C. and 100 Hz by dynamic viscoelasticity measurement is in a specific range.Type: GrantFiled: October 20, 2017Date of Patent: March 8, 2022Assignees: MCPP Innovation LLC, Mitsubishi Chemical CorporationInventors: Jiro Sano, Toshihisa Ishihara, Shigeyuki Furomoto
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Patent number: 10899070Abstract: An object of the invention is to provide a filament for a material extrusion-type three-dimensional printer, which filament contains an aromatic polyester resin, and which overcomes the shortcomings of a filament for a material extrusion-type three-dimensional printer that is composed of an ABS resin. Provided is a filament for a material extrusion-type three-dimensional printer, the filament including an aromatic polyester resin containing 50 mol % or more of aromatic dicarboxylic acid units, and 3 mol % or more of isophthalic acid units, with respect to the total amount of dicarboxylic acid units. The aromatic polyester resin preferably has a melt flow rate (230° C., 2.16 kgf) of 7 g/10 min or more, and an intrinsic viscosity of 0.80 dL/g or less.Type: GrantFiled: November 10, 2017Date of Patent: January 26, 2021Assignee: MITSUBISHI CHEMICAL CORPORATIONInventors: Kosei Yamashita, Shigeyuki Furomoto
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Publication number: 20200398478Abstract: Provided is a three-dimensional modeling material used for a fused deposition modeling three-dimensional printer. The three-dimensional modeling material has a multilayer structure and contains, in respective different layers, a thermoplastic resin (A) having a shear storage elastic modulus (G?) of 1.00×107 Pa or less as measured at 100° C. and 1 Hz and a thermoplastic resin (B) having a shear storage elastic modulus (G?) of more than 1.00×107 Pa as measured at 100° C. and 1 Hz.Type: ApplicationFiled: July 29, 2020Publication date: December 24, 2020Applicant: Mitsubishi Chemical CorporationInventors: Akiko HIRANO, Shigeyuki FUROMOTO
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Patent number: 10480098Abstract: The present invention provides a filament for three-dimensional printer molding which includes a resin that can be molded by a three-dimensional printer in a wide temperature range and from which a crystalline soft resin molded article excellent in terms of flexible texture etc. can be produced; and a method for producing a crystalline soft resin molded article, wherein the filament for three-dimensional printer molding includes a polyester-based thermoplastic elastomer wherein a durometer D hardness (JIS K6253-1993) is 40 or less and thermal properties measured with a differential scanning calorimeter satisfy the following conditions: a melting peak temperature (A) is 120 to 220° C. by heating at 10° C./min; a crystallization peak temperature (B) is 60 to 160° C. by cooling at 10° C./min; and the crystallization peak observed during cooling at 10° C./min has a half-value temperature width of 10 to 30° C.Type: GrantFiled: March 3, 2017Date of Patent: November 19, 2019Assignees: MCPP Innovation LLC, Mitsubishi Chemical CorporationInventors: Toshihisa Ishihara, Shigeyuki Furomoto
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Publication number: 20180065294Abstract: An object of the invention is to provide a filament for a material extrusion-type three-dimensional printer, which filament contains an aromatic polyester resin, and which overcomes the shortcomings of a filament for a material extrusion-type three-dimensional printer that is composed of an ABS resin. Provided is a filament for a material extrusion-type three-dimensional printer, the filament including an aromatic polyester resin containing 50 mol % or more of aromatic dicarboxylic acid units, and 3 mol % or more of isophthalic acid units, with respect to the total amount of dicarboxylic acid units. The aromatic polyester resin preferably has a melt flow rate (230° C., 2.16 kgf) of 7 g/10 min or more, and an intrinsic viscosity of 0.80 dL/g or less.Type: ApplicationFiled: November 10, 2017Publication date: March 8, 2018Applicant: MITSUBISHI CHEMICAL MEDIA CO., LTD.Inventors: Kosei YAMASHITA, Shigeyuki FUROMOTO
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Publication number: 20180038015Abstract: The present invention provides a filament for material extrusion 3D printer molding, which affords a molded article having soft texture and excellent heat resistance and among others, exhibits good moldability in molding by a material extrusion 3D printer. The present invention relates to a filament for material extrusion 3D printer molding, including a thermoplastic elastomer which contains at least a specific block copolymer and in which the ratio between storage modulus and loss modulus measured at 200° C. and 100 Hz by dynamic viscoelasticity measurement is in a specific range.Type: ApplicationFiled: October 20, 2017Publication date: February 8, 2018Applicants: MCPP Innovation LLC, MITSUBISHI CHEMICAL MEDIA CO., LTD.Inventors: Jiro SANO, Toshihisa ISHIHARA, Shigeyuki FUROMOTO
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Publication number: 20170173869Abstract: The present invention provides a filament for three-dimensional printer molding which includes a resin that can be molded by a three-dimensional printer in a wide temperature range and from which a crystalline soft resin molded article excellent in terms of flexible texture etc. can be produced; and a method for producing a crystalline soft resin molded article, wherein the filament for three-dimensional printer molding includes a polyester-based thermoplastic elastomer wherein a durometer D hardness (JIS K6253-1993) is 40 or less and thermal properties measured with a differential scanning calorimeter satisfy the following conditions: a melting peak temperature (A) is 120 to 220° C. by heating at 10° C./min; a crystallization peak temperature (B) is 60 to 160° C. by cooling at 10° C./min; and the crystallization peak observed during cooling at 10° C./min has a half-value temperature width of 10 to 30° C.Type: ApplicationFiled: March 3, 2017Publication date: June 22, 2017Applicants: MCPP Innovation LLC, MITSUBISHI KAGAKU MEDIA CO., LTD.Inventors: Toshihisa ISHIHARA, Shigeyuki Furomoto
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Patent number: 9196288Abstract: To produce an optical recording medium having a good concavo-convex shape whereby optical information recording/retrieving is stabilized. A process for producing an optical recording medium 100 provided with an interlayer 104 having a concavo-convex shape, which comprises a step of forming a recording layer 102 on a substrate 101 directly or via another layer; a step of placing a resin material layer 104a and a stamper 110 having a concavo-convex shape for transfer, in this order on the recording layer 102, and curing the resin material layer 104a in this laminated state to obtain a bonded body 112 comprising the substrate 101, the recording layer 102, the resin material layer 104a and the stamper 110, and a step of separating the stamper 110 from the resin material layer 104a so that the concavo-convex shape for transfer is transferred to the resin material layer 104a, and applying surface modification treatment to promote the curing of the resin material layer 104a, to form the interlayer 104.Type: GrantFiled: September 21, 2007Date of Patent: November 24, 2015Assignee: Mitsubishi Kagaku Media Co., Ltd.Inventors: Shigeyuki Furomoto, Masafumi Aga, Toshifumi Kawano, Hideharu Takeshima, Yukari Kiritou, Atsushi Komura, Kumi Mizuno, Yumi Matsumura
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Patent number: 8075972Abstract: To provide an optical recording medium exhibiting favorable write/read characteristics in high-speed recording. In an optical recording medium including a reflective layer, a dye-containing recording layer, and a transparent resin layer on a substrate in this order, a barrier layer is disposed between the recording layer and the resin layer, where the barrier layer comprises a material having a bulk thermal conductivity M of 70 W/m·K or more at 300 K and has a thickness t less than 5 nm.Type: GrantFiled: April 7, 2006Date of Patent: December 13, 2011Assignee: Mitsubishi Kagaku Media Co., Ltd.Inventors: Shigeyuki Furomoto, Masaaki Mizuno, Naoyuki Uchida
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Patent number: 7907503Abstract: In a single-sided incident type optical recording medium having a plurality of dye containing recording layers, sufficient reflectance and excellent recording characteristics necessary to record or read information in or from a dye containing recording layer positioning farther from a side from which a light beam comes in can be obtained. The optical recording medium has a first substrate (21) having a guide groove, a first dye containing recording layer (22), a semitransparent reflective layer (23), an intermediate layer (24), a second dye containing recording layer (25), a reflective layer (26) and a second substrate (27) having a guide groove. Information is recorded or read in or from the first dye containing recording layer (22) and the second dye containing recording layer (25) by irradiating the light beam from the first substrate's side. The depth of the guide groove on the second substrate is within a range from 1/100×? to ?×? where ? represents the recording/reading wavelength.Type: GrantFiled: January 28, 2009Date of Patent: March 15, 2011Assignee: Mitsubishi Kagaku Media Co., Ltd.Inventors: Yoshihiro Noda, Shigeyuki Furomoto
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Publication number: 20100173114Abstract: An optical recording medium on which high-density recording and reading of optical information can be conducted by a short-wavelength light such as a blue laser beam is provided. In an optical recording medium comprising at least a substrate and a recording layer thereon that can record or read information by irradiation with light, the recording layer contains an azacyanine dye represented by general formula [I]: wherein R1 and R2 each independently represent a hydrogen atom or an optionally substituted linear or branched alkyl group having one to four carbon atoms; R3 represents a hydrogen atom or a hydrocarbon group; R4 represents a hydrogen atom or a linear or branched alkyl group having one to four carbon atoms; R5 represents an optionally substituted aromatic ring group or an optionally substituted unsaturated heterocyclic group; R4 and R5 may be combined together to form a ring; X? represents a counter anion; and the benzene ring A may be optionally substituted.Type: ApplicationFiled: December 27, 2006Publication date: July 8, 2010Applicant: Mitsubishi Kagaku Media Co., Ltd.Inventors: Yutaka Kurose, Takashi Miyazawa, Hideyuki Kubo, Naoyuki Uchida, Shigeyuki Furomoto, Kenichi Satake, Hisashi Shoda, Yasushi Aizawa, Yasufumi Dan-Oh, Masahiko Toki
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Publication number: 20100119764Abstract: To provide an optical recording medium on which recording/retrieving of high density optical information is possible by a short wavelength light such as a blue laser. An optical recording medium comprising a substrate and a recording layer capable of recording or retrieving information by irradiation with light, formed on the substrate, wherein the recording layer contains the cyanine dye represented by the following formula (I): wherein each of A1 and B1 which are independent of each other, is an aromatic ring which may have a substituent, provided that at least one aromatic ring of A1 and B1 contains a nitrogen atom; each of R1 and R2 which are independent of each other, is a substituent, provided that R1 and/or R2 may be bonded to other cation; each of X1, X2, X3 and X4 which are independent of one another, is an organic group, provided that a pair of X1 and X2, and/or a pair of X3 and X4, may be mutually bonded to form a cyclic structure; Y1 is a hydrogen atom or an organic group; and Z is an anion.Type: ApplicationFiled: February 13, 2008Publication date: May 13, 2010Applicants: Mitsubishi Kagaku Media Co., Ltd., KAB. KAISHA HAYASHIBARA SEIBUTSU KAGAKU KENKYUJOInventors: Hisashi Shoda, Naoyuki Uchida, Shigeyuki Furomoto, Yasushi Aizawa, Yasufumi Dan-OH, Masahiko Toki
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Publication number: 20100090358Abstract: To produce an optical recording medium having a good concavo-convex shape whereby optical information recording/retrieving is stabilized. A process for producing an optical recording medium 100 provided with an interlayer 104 having a concavo-convex shape, which comprises a step of forming a recording layer 102 on a substrate 101 directly or via another layer; a step of placing a resin material layer 104a and a stamper 110 having a concavo-convex shape for transfer, in this order on the recording layer 102, and curing the resin material layer 104a in this laminated state to obtain a bonded body 112 comprising the substrate 101, the recording layer 102, the resin material layer 104a and the stamper 110, and a step of separating the stamper 110 from the resin material layer 104a so that the concavo-convex shape for transfer is transferred to the resin material layer 104a, and applying surface modification treatment to promote the curing of the resin material layer 104a, to form the interlayer 104.Type: ApplicationFiled: September 21, 2007Publication date: April 15, 2010Applicant: MITSUBISHI KAGAKU MEDIA CO., LTDInventors: Shigeyuki Furomoto, Masafumi Aga, Toshifumi Kawano, Hideharu Takeshima, Yukari Kiritou, Atsushi Komura, Kumi Mizuno, Yumi Matsumura
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Patent number: 7672215Abstract: In a single-sided incident type optical recording medium having a plurality of dye containing recording layers, sufficient reflectance and excellent recording characteristics necessary to record or read information in or from a dye containing recording layer positioning farther from a side from which a light beam comes in can be obtained. The optical recording medium has a first substrate (21) having a guide groove, a first dye containing recording layer (22), a semitransparent reflective layer (23), an intermediate layer (24), a second dye containing recording layer (25), a reflective layer (26) and a second substrate (27) having a guide groove. Information is recorded or read in or from the first dye containing recording layer (22) and the second dye containing recording layer (25) by irradiating the light beam from the first substrate's side. The depth of the guide groove on the second substrate is within a range from 1/100 ×? to 1/6 ×? where ? represents the recording/reading wavelength.Type: GrantFiled: July 7, 2005Date of Patent: March 2, 2010Assignee: Mitsubishi Kagaku Media Co., Ltd.Inventors: Yoshihiro Noda, Shigeyuki Furomoto
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Publication number: 20090141616Abstract: In a single-sided incident type optical recording medium having a plurality of dye containing recording layers, sufficient reflectance and excellent recording characteristics necessary to record or read information in or from a dye containing recording layer positioning farther from a side from which a light beam comes in can be obtained. The optical recording medium has a first substrate (21) having a guide groove, a first dye containing recording layer (22), a semitransparent reflective layer (23), an intermediate layer (24), a second dye containing recording layer (25), a reflective layer (26) and a second substrate (27) having a guide groove. Information is recorded or read in or from the first dye containing recording layer (22) and the second dye containing recording layer (25) by irradiating the light beam from the first substrate's side. The depth of the guide groove on the second substrate is within a range from 1/100×? to ?×? where ? represents the recording/reading wavelength.Type: ApplicationFiled: January 28, 2009Publication date: June 4, 2009Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Yoshihiro Noda, Shigeyuki Furomoto
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Publication number: 20090022933Abstract: To provide an optical recording medium exhibiting favorable write/read characteristics in high-speed recording. In an optical recording medium including a reflective layer, a dye-containing recording layer, and a transparent resin layer on a substrate in this order, a barrier layer is disposed between the recording layer and the resin layer, where the barrier layer comprises a material having a bulk thermal conductivity M of 70 W/m·K or more at 300 K and has a thickness t less than 5 nm.Type: ApplicationFiled: April 7, 2006Publication date: January 22, 2009Applicant: Mitsubishi Kagaku Media Co., Ltd.Inventors: Shigeyuki Furomoto, Masaaki Mizuno, Naoyuki Uchida
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Patent number: 7427432Abstract: A dual-layer optical recording medium, which is formed by adhering a disk substrate (inverted-stack structure) formed by stacking a reflective layer (1) and a recording layer (1) on a substrate (1) and a disk substrate (conventional-stack structure) formed by sequentially stacking a recording layer (2) and a reflective layer (2) on a transparent substrate (2) with a transparent resin layer interposed therebetween, is prepared such that the transparent resin layer has a product obtained by multiplying the thickness by the elastic modulus at 25±5° C. falling within the range of not less than 2.0×104 MPa·?m to not more than 30.0×104 MPa·?m, resulting in suppressing excessive deformation involving an adjacent track portion produced by recording optical information in the recording layer (1) of the inverted-stack structure, thereby reducing crosstalk and providing satisfactory recording and/or reading characteristics in high-speed recording applications.Type: GrantFiled: April 28, 2006Date of Patent: September 23, 2008Assignee: Mitsubishi Kagaku Media Co., Ltd.Inventor: Shigeyuki Furomoto
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Patent number: 7371449Abstract: In an optical recording medium having two recording layers of a first recording layer and a second recording layer, the second recording layer contains metallized azo dyes represented by the following general formula (I) or (II), and recording characteristics of the second recording layer are improved by having optical density of 1.3 times as large as, or 1.3 times greater than, that of a dye contained in the first recording layer. (In this regard, rings A1 and A2 are nitrogen-containing heteroaromatic rings, rings B1 and B2 are aromatic rings, and X is alkyl group substituted by at least two fluorine atoms).Type: GrantFiled: March 31, 2006Date of Patent: May 13, 2008Assignee: Mitsubishi Kagaku Media Co., Ltd.Inventors: Yoshihiro Noda, Shigeyuki Furomoto