Patents Assigned to Tokyo Printing Ink Mfg. Co., Ltd.
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Patent number: 11607844Abstract: According to the present invention, there is provided a treatment agent for an additive manufacturing apparatus including a resin having an oxazoline group.Type: GrantFiled: October 2, 2017Date of Patent: March 21, 2023Assignee: TOKYO PRINTING INK MFG. CO., LTD.Inventor: Katsuhiko Hayashi
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Patent number: 11548988Abstract: The masterbatch contains a black pigment and a masterbatch thermoplastic resin, the masterbatch satisfying the following conditions: (Conditions) when a resin plate is produced by kneading 100 parts by weight of polypropylene having a melt flow rate of 30 g/10 min (JIS K7210:1999) and a density of 0.9 g/cm3 (JIS K7112:1999) with respect to 3 parts by weight of the masterbatch and subjecting the mixture to injection molding using a mold polished by a coated abrasive with a particle size of #800 (JIS R6001:1998), a* values and b* values of a surface of the resin plate in the L*a*b* color system satisfy specific conditions.Type: GrantFiled: December 20, 2016Date of Patent: January 10, 2023Assignee: TOKYO PRINTING INK MFG. CO., LTD.Inventor: Atsushi Inoue
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Patent number: 11364730Abstract: A decorative sheet manufacturing method of the present invention is for manufacturing a frosted glass-like decorative sheet using an inkjet printer including a head unit provided with a plurality of nozzles for jetting liquid droplets of an ultraviolet curable ink and an ultraviolet irradiation unit that moves together with the head unit in a main scanning direction of the head unit and irradiates the liquid droplets jetted from the nozzles and landed on a main surface of a transparent base material with ultraviolet rays, the frosted glass-like decorative sheet having the transparent base material and a plurality of dots formed in a print region on the main surface of the transparent base material and formed of a cured product of the ultraviolet curable ink by carrying out inkjet printing having predetermined printing conditions in a multi-pass manner.Type: GrantFiled: August 22, 2019Date of Patent: June 21, 2022Assignee: TOKYO PRINTING INK MFG. CO., LTD.Inventor: Katsuhiko Hayashi
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Publication number: 20200398474Abstract: A twin-screw extruder is provided in which screws have different rotational speeds depending on the process of treating the raw material and in which degradation of the raw material is less likely to occur. Twin-screw extruder 1 has two screws 3, 5 that extend in parallel to each other. Each screw 3, 5 has cylindrical upstream screw 31 and downstream screw 35, wherein upstream screw 31 has shaft hole 315 that extends in longitudinal direction X and screw flight 316 on an outer circumferential surface thereof, and downstream screw 35 includes large diameter portion 353 having screw flight 357 on an outer circumferential surface thereof and small diameter shaft portion 351 that has a smaller diameter than large diameter portion 353, wherein small diameter shaft portion 351 of downstream screw 35 is inserted into shaft hole 315 of upstream screw 31. Upstream screw 31 and downstream screw 35 can be independently rotated.Type: ApplicationFiled: February 13, 2019Publication date: December 24, 2020Applicants: The Japan Steel Works, Ltd., Tokyo Printing Ink Mfg. Co., Ltd.Inventors: Kazutoshi IZUMIYA, Katsumi SUMIDA, Yoshitaka KIMURA, Masashi TANIMOTO, Hiroyuki OKUMA, Katsuyuki KANEKO, Shizuo UESHIGE, Nobuaki TANAKA, Takahiro NAKAMARU
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Patent number: 10408367Abstract: Provided is a mesh-patterned resin molded product (10) used for encasing and protecting a hollow piping member provided in a vehicle or a small ship. The mesh-patterned resin molded product (10), in a case of an ordinary state where no load is applied to the mesh-patterned resin molded product (10), includes a plurality of first resin wired portions (11) that extend parallel to each other, and a plurality of second resin wired portions (12) that extend parallel to each other in a direction respectively intersecting the first resin wired portions (11). Each of the first resin wired portions (11) and each of the second resin wired portions (12) are joined to each other on a joint portion (13) positioned at a mutual intersection portion. At the intersection portion, a direction passing through both axial centers of the first resin wired portion (11) and the second resin wired portion (12) and being orthogonal to both the axial centers is set as an orthographic projection direction P.Type: GrantFiled: February 4, 2016Date of Patent: September 10, 2019Assignees: TOKYO PRINTING INK MFG. CO., LTD., SUMITOMO RIKO Company LimitedInventors: Atsushi Fushimi, Yuji Tomizawa, Koki Ikeda, Hiroyoshi Mori, Tokunori Kobayashi
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Patent number: 9963601Abstract: A photocationically curable ink jet ink includes: a photoacid generator; a pigment; a monofunctional epoxy compound; a bifunctional epoxy compound; a monofunctional oxetane compound; and a bifunctional oxetane compound. In the photocationically curable ink jet ink, a concentration of the monofunctional epoxy compound is 20 wt % to 50 wt %, a concentration of the bifunctional epoxy compound is 20 wt % to 50 wt %, a concentration of the monofunctional oxetane compound is 5 wt % to 20 wt %, and a concentration of the bifunctional oxetane compound is 5 wt % to 20 wt %.Type: GrantFiled: October 2, 2014Date of Patent: May 8, 2018Assignee: TOKYO PRINTING INK MFG. CO., LTD.Inventors: Shigenori Kobayashi, Fumitaka Yamaguchi
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Publication number: 20160257828Abstract: A photocationically curable ink jet ink includes: a photoacid generator; a pigment; a monofunctional epoxy compound; a bifunctional epoxy compound; a monofunctional oxetane compound; and a bifunctional oxetane compound. In the photocationically curable ink jet ink, a concentration of the monofunctional epoxy compound is 20 wt % to 50 wt %, a concentration of the bifunctional epoxy compound is 20 wt % to 50 wt %, a concentration of the monofunctional oxetane compound is 5 wt % to 20 wt %, and a concentration of the bifunctional oxetane compound is 5 wt % to 20 wt %.Type: ApplicationFiled: October 2, 2014Publication date: September 8, 2016Applicant: TOKYO PRINTING INK MFG. CO., LTD.Inventors: Shigenori KOBAYASHI, Fumitaka YAMAGUCHI
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Patent number: 8425790Abstract: An ink composition for ink jet printing is provided which gives a cured object excellent in adhesion to metallic plates, resistance to etchants, and alkali removability and can be stably ejected with an ink jet apparatus. The ink jet composition for etching resists has a viscosity at 25° C. of 3-50 mPa s and includes monomers comprising: either a polymerizable phosphoric ester compound represented by general formula (I); a polyfunctional monomer having two or more ethylenic double-bond groups per molecule and having no phosphoric ester group, the content of the ethylenic double-bond groups being 4×10?3 to 8×10?3 mol/g; and a monofunctional monomer having one ethylenic double-bond group per molecule and having neither phosphoric ester group nor carboxy group. In the formula, X represents C1-3 alkylene, Y represents C2-3 alkylene, and R represents hydrogen or methyl.Type: GrantFiled: January 27, 2009Date of Patent: April 23, 2013Assignees: Nisshin Steel Co., Ltd., Tokyo Printing Ink Mfg. Co., Ltd.Inventors: Masaki Sato, Seiju Suzuki, Shuichi Sugita, Kenichi Kaneda, Shigenori Kobayashi
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Patent number: 8283285Abstract: Disclosed are a scratch color-developable ink comprising an electron-donating colorless or light-color dye precursor, an electron-accepting color developer and a varnish, wherein a solid particle component contained therein has an average particle diameter of 0.3 to 25 ?m, a scratch color-developable ink comprising an electron-donating colorless or light-color dye precursor, an electron-accepting color developer and a varnish, wherein an azaphthalide compound is contained as the electron-donating colorless or light-color dye precursor, and an invisible information printed sheet obtained by printing invisible information on a support with the above scratch color-developable ink.Type: GrantFiled: December 19, 2007Date of Patent: October 9, 2012Assignees: Mitsubishi Paper Mills Limited, Tokyo Printing Ink Mfg. Co., Ltd.Inventors: Hisashi Wakasugi, Fujio Takasaki, Kazuhiro Handa, Masahiro Miyauchi, Haruhiko Ikeda
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Patent number: 8016479Abstract: There is provided a dispersion method of stirring a material to be dispersed in a cavity of a container, so as to create a laminar flow of the material by the stirring action, and a dispersing apparatus including a bottom member and a column-shaped rotating shaft that rotates in the cavity of the container, in which the rotating shaft is provided with two vanes attached thereto with a predetermined inclination, at positions circumferentially spaced by 180 degrees, and the vanes are located at non-overlapping positions in an axial direction.Type: GrantFiled: July 24, 2006Date of Patent: September 13, 2011Assignee: Tokyo Printing Ink. Mfg. Co., Ltd.Inventors: Kengo Imai, Toshinari Sekine, Tatsuya Nozaki, Kazuhiro Kabasawa
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Publication number: 20100149903Abstract: There is provided a dispersion method of stirring a material to be dispersed in a cavity of a container, so as to create a laminar flow of the material by the stirring action, and a dispersing apparatus including a bottom member and a column-shaped rotating shaft that rotates in the cavity of the container, in which the rotating shaft is provided with two vanes attached thereto with a predetermined inclination, at positions circumferentially spaced by 180 degrees, and the vanes are located at non-overlapping positions in an axial direction.Type: ApplicationFiled: July 24, 2006Publication date: June 17, 2010Applicant: TOKYO PRINTING INK MFG. CO., LTDInventors: Kengo Imai, Toshinari Sekine, Tatsuya Nozaki, Kazuhiro Kabasawa
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Publication number: 20090234045Abstract: The disclosed is a method for manufacturing polymer composite in which a polymer as a dispersion medium and an additive to be added to the polymer is stirred for mixing in a cavity of a vessel to prepare a polymer composite in which the additive is dispersed in the polymer with a prescribed condition, wherein the stirring for mixing is performed under temperature conditions of not more than the softening temperature of the polymer until the additive is dispersed in the polymer with a prescribed condition, thereby the polymer is forced to lower the molecular weight thereof ephemerally by subjecting at least a part of chemical bonds in the polymer to cleavage, and thereafter the cleaved parts are rejoined.Type: ApplicationFiled: November 28, 2005Publication date: September 17, 2009Applicant: TOKYO PRINTING INK MFG. CO., LTDInventors: Kengo Imai, Kazuhiro Kabasawa
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Patent number: 6720377Abstract: A color pigment master batch having a high recycling property and a process for producing a blow-molded article having a grain-tone appearance using this color pigment master batch. The color pigment master batch for blow molding includes a pigment and a carrier resin. The carrier resin is a thermoplastic elastomer which is a crystalline or amorphous thermoplastic elastomer having a Vicat softening point higher than a melting temperature of a molding base resin and a crystal melting point or a flow-starting temperature higher by 20° C. or more than a melting temperature of the molding base resin and in which an MFR ratio thereof to the molding base resin is 5 or more.Type: GrantFiled: March 28, 2002Date of Patent: April 13, 2004Assignees: Idemitsu Petrochemical Co., Ltd., Tokyo Printing Ink Mfg. Co., Ltd.Inventors: Masami Takimoto, Toshihisa Miyaoka, Takeshi Watanabe
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Patent number: 4525297Abstract: An electro-conductive foam is prepared by mixing together 100 parts by weight of a resin component consisting of 10 to 90 parts by weight of a crystalline thermoplastic polyolefin type resin and 10 to 90 parts by weight of a low-crystalline thermoplastic resin with 5 to 40 parts by weight of electro-conductive carbon, by cross linking this mixture and then forming it by heating.By using the mixture of crystalline polyolefin type thermoplastic resins and low-crystalline thermoplastic resins as the resinous component, the present invention provides an electro-conductive foam having a good foam surface condition and capabilities of deep-draw forming.This electro-conductive foam is utilized as a material for semiconductor integrated circuit containers and similar applications.Type: GrantFiled: November 28, 1983Date of Patent: June 25, 1985Assignees: Toray Industries, Inc., Tokyo Printing Ink Mfg. Co., Ltd.Inventors: Toshihiro Yamane, Kenzi Ohashi, Toshiharu Sakaguchi