Patents Assigned to Sumitomo Bakelite Company Limited
  • Publication number: 20150338174
    Abstract: A heat transfer sheet of the present invention includes a heat transfer layer having a first portion and a second portion provided in a position different from the first portion in a planar view of the heat transfer layer, the second portion being capable of expanding and contracting in a thickness direction of the heat transfer layer at an expansion ratio larger than that of the first portion depending on temperature changes in an object from which heat is to be dissipated.
    Type: Application
    Filed: July 31, 2015
    Publication date: November 26, 2015
    Applicants: SUMITOMO BAKELITE COMPANY LIMITED, TOYOTA TSUSHO CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takashi MURATA, Yoshiyuki NAKAMURA, Izumi TAKAHASHI, Hatsuhiro SOH, Kazumoto SHIMIZU, Yoshihide NII, Shinichiro ITO, Hitoshi KAWAGUCHI, Mitsuo SUGINO
  • Publication number: 20150292583
    Abstract: The brake pad 10 includes a friction material 12 provided on the side of the disc 200 and a back plate 11 bonded to the friction material on the opposite side of the disc. The back plate 11 has a plurality of ridges 111 having a non-linear shape and/or a plurality of grooves 112 having a non-linear shape, the ridges and the grooves each formed on a surface of the back plate 11 on the side of the friction material 12. The friction material 12 is bonded to the back plate 11 so as to make close contact with a surface defining each ridge 111 and/or each groove and the surface of the back plate positioned on the side of the friction material. An average height of the ridges 111 or an average depth of the grooves is preferably in the range of 2 to 6 mm.
    Type: Application
    Filed: November 6, 2013
    Publication date: October 15, 2015
    Applicant: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Hideaki Inokuchi, Hidemi Yazawa
  • Patent number: 9153515
    Abstract: A pulverizing apparatus is a gas stream type pulverizing apparatus. The pulverizing apparatus has a pulverizing unit for pulverizing a composition, a cooling device, a high-pressure air generating device and a collecting unit for receiving the pulverized composition. The chamber has a bottom portion, an outlet formed in the bottom portion for discharging the pulverized first composition therethrough and a wall portion formed in the bottom portion so as to surround the outlet. A plurality of first nozzles and a second nozzle are provided on a side portion of the chamber and a tubular supply unit is provided on an upper portion of the second nozzle. The gas pressure supplied into the chamber is 0.3 MPa or more, the gas temperature is 20° C. or less, and the humidity of the gas is 40% RH or less.
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: October 6, 2015
    Assignee: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Takafumi Sumiyoshi, Hiroshi Shibata
  • Publication number: 20150275990
    Abstract: A back-plate composition of the present invention is a composition for forming a back plate of a brake pad, the brake pad having a friction material and the back plate bonded to the friction material. The back-plate composition includes a resin, a plurality of first fibers and a plurality of second fibers having an average length shorter than an average length of the first fibers. In the case where the average length of the first fibers is “L1” [?m] and the average length of the second fibers is “L2” [?m], “L2”/“L1” is in the range of 0.001 to 0.5. This makes it possible to provide a back-plate composition having excellent moldability, as well as a back plate formed of the back-plate composition, a brake pad including the back-plate and a caliper device provided with the brake pad.
    Type: Application
    Filed: October 24, 2013
    Publication date: October 1, 2015
    Applicant: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Hideaki Inokuchi, Hidemi Yazawa
  • Publication number: 20150115255
    Abstract: Provided are a resin composition and a substrate that are capable of being used for manufacturing an electronic device having excellent light extraction efficiency. The resin composition contains a polymer and a solvent dissolving the polymer. The resin composition is used to form a layer, and when refractive indexes of the layer along two perpendicular in-plane directions thereof are respectively defined as “Nx” and “Ny” and a refractive index of the layer along a thickness direction thereof is defined as “Nz”, Nx, Ny and Nz satisfy a relationship of “(Nx+Ny)/2?Nz”>0.01. Further, a method of manufacturing the electronic device by using such a substrate, and the electronic device are also provided.
    Type: Application
    Filed: October 24, 2014
    Publication date: April 30, 2015
    Applicants: AKRON POLYMER SYSTEMS INC., SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Limin SUN, Jiaokai Jing, Dong Zhang, Frank W. Harris, Hideo Umeda, Ritsuya Kawasaki, Toshihiko Katayama, Yusuke Inoue, Jun Okada, Mizuho Inoue, Manabu Naito
  • Publication number: 20150108457
    Abstract: Provided are a resin composition and a substrate that are capable of being used for manufacturing an electronic device including a transparent resin film having an excellent display property, a method of manufacturing such a resin composition and a method of manufacturing the electronic device using such a substrate and the electronic device. The resin composition of the present invention contains an aromatic polyamide, an aromatic multifunctional compound having two or more functional groups including a carboxyl group or an amino group, and a solvent dissolving the aromatic polyamide.
    Type: Application
    Filed: October 22, 2014
    Publication date: April 23, 2015
    Applicants: AKRON POLYMER SYSTEMS INC., SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Limin Sun, Dong Zhang, Jiaokai Jing, Frank W. Harris, Hideo Umeda, Ritsuya Kawasaki, Jun Okada, Mizuho Inoue, Manabu Naito
  • Patent number: 9004898
    Abstract: A molding device for molding a resin composition into a sheet shape by pressurizing the resin composition has a pair of rollers arranged parallel to one another. Each of the rollers has a columnar or cylindrical core portion and an outer layer provided on an outer periphery of the core portion. The outer layer is constituted of the ceramic material. A thickness of the outer layer is in the range of 0.2 to 100 nm. Further, an arithmetic mean deviation of a profile Ra of an outer peripheral surface of each of the rollers defined by JIS B 0601 is in the range of 0 to 2 ?m.
    Type: Grant
    Filed: February 21, 2011
    Date of Patent: April 14, 2015
    Assignee: Sumitomo Bakelite Company Limited
    Inventors: Kazuo Noda, Takafumi Sumiyoshi
  • Patent number: 9006309
    Abstract: An agitating and mixing device 1 of the present invention includes a container 2 for storing the composition, an agitating member 3 for agitating the composition, which is inserted in the container 2, and a driving device 4 for vibrating the container 2. The agitating member 3 has a rod-like portion 32 having one end portion and another end portion, a plate-like portion 31 provided on the one end portion of the rod-like portion 32 and the grip portion 33 provided on the other end portion of the rod-like portion 33. The plate-like portion 31 is perpendicular to the rod-like portion 32. The agitating member 3 is configured to agitate the composition by spacing the plate-like portion 31 apart from the bottom surface of the container 2.
    Type: Grant
    Filed: February 2, 2011
    Date of Patent: April 14, 2015
    Assignee: Sumitomo Bakelite Company Limited
    Inventors: Takafumi Sumiyoshi, Hiroshi Shibata
  • Publication number: 20150099332
    Abstract: Provided are a resin composition and a substrate that are capable of being used for producing an electronic device including thin-film transistors having an excellent switching property. The resin composition contains an aromatic polyamide and a solvent dissolving the aromatic polyamide. The resin composition is used to form a layer, and a total light transmittance of the layer in a wavelength of 355 nm is 10% or less. Further, a method of manufacturing the electronic device using such a substrate is also provided.
    Type: Application
    Filed: October 3, 2014
    Publication date: April 9, 2015
    Applicants: AKRON POLYMER SYSTEMS INC., SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Limin SUN, Dong ZHANG, Jiaokai JING, Frank W. HARRIS, Hideo UMEDA, Toshihiko KATAYAMA, Jun OKADA, Mizuho INOUE, Manabu NAITO
  • Publication number: 20150097174
    Abstract: Provided are a resin composition and a substrate that are capable of being used for manufacturing an electronic device having excellent light extraction efficiency. The resin composition contains a crystalline polymer and a solvent dissolving the crystalline polymer. The resin composition is used to form a layer, and a haze value of the layer is 5% or more. Further, a method of manufacturing the electronic device by using such a substrate, and the electronic device are also provided.
    Type: Application
    Filed: October 3, 2014
    Publication date: April 9, 2015
    Applicants: AKRON POLYMER SYSTEMS INC., SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Limin SUN, Dong ZHANG, Jiaokai JING, Frank W. HARRIS, Hideo UMEDA, Jun OKADA, Manabu NAITO
  • Patent number: 8957532
    Abstract: The present invention is related to a method for producing a resin compact containing an epoxy resin, a curing agent, a curing accelerator and an inorganic filler. The method includes a kneading and crushing process for preparing a first powder material obtained by mixing, heat-melting, kneading and crushing a first component containing the epoxy resin and the curing agent and the inorganic filler, but not containing the curing accelerator; a pulverizing process for preparing a second powder material obtained by pulverizing a second component containing the curing accelerator; a mixing process for preparing a resin composition by dispersing and mixing the first powder material and the second powder material; and a molding process for obtaining the resin compact by compression-molding the resin composition. This makes it possible to obtain a resin compact (particularly, a resin compact for encapsulation) having superior long term storage stability at room temperature, good curable property and fluidity.
    Type: Grant
    Filed: August 30, 2011
    Date of Patent: February 17, 2015
    Assignee: Sumitomo Bakelite Company Limited
    Inventors: Yoshiyuki Takahashi, Hiroshi Utsugi
  • Publication number: 20150014729
    Abstract: A resin composition for reflecting light of the present invention includes an epoxy resin B having a unit structure X of alicyclic acid anhydride and a unit structure Y of hydrogenated bisphenol, and a colorant. The epoxy resin B preferably further has a unit structure Z of bisphenol-type epoxy. In addition, the resin composition for reflecting light of the present invention preferably further includes an epoxy resin A having a structure represented by the following formula (1). Then, when a content of the epoxy resin A is M [% by mass], and a content of the epoxy resin B is N [% by mass], it is preferable to satisfy a relationship of 0.1?M/N?10. (In the formula (1), R represents a monovalent organic group having 2 to 10 carbon atoms, and n represents an integer of 3 to 50.
    Type: Application
    Filed: March 14, 2013
    Publication date: January 15, 2015
    Applicant: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Masaharu Ito, Keiichi Tsukurimichi
  • Patent number: 8906147
    Abstract: A degassing apparatus 1 includes a housing 2 having a degassing chamber 22, a rotor 3 rotatably provided in the housing 2 and a decompressing mechanism 4 for decompressing the degassing chamber 22 of the housing 2. The housing 2 further includes a conduit line 21 and a cylindrical portion 23. The degassing chamber 22 is provided in a middle part of the conduit line 21. An upper end of the conduit line 21 constitutes an inlet port 24 and a lower end of the conduit line 21 constitutes an outlet port 25. The rotor 3 is rotatably provided inside the cylindrical portion 23 so that a passage between the outlet portion 25 and the degassing chamber 22 can be hermetically separated by the rotor 3. The rotor 3 has four partitioning plates 31 which partition the inside of the cylindrical portion into four spaces 231-234.
    Type: Grant
    Filed: February 1, 2011
    Date of Patent: December 9, 2014
    Assignee: Sumitomo Bakelite Company Limited
    Inventors: Kazuo Noda, Shigehisa Ueda
  • Patent number: 8888477
    Abstract: A molded product production device that includes a molding die having an inner circumferential surface defining a cavity with upper and lower openings, the cavity into which the molding material is to be filled, a lower punch provided so as to be inserted into the cavity from the lower opening thereof and vertically move, the lower punch having a lower punch surface and a lower punch release agent holding portion which is provided at a lower side of the lower punch surface and capable of holding a release agent, an upper punch provided so as to be inserted into the cavity from the upper opening thereof and vertically move, the upper punch having an upper punch surface, and a lower punch release agent supply means which supplies the release agent to the lower punch release agent holding portion when being exposed outside the cavity.
    Type: Grant
    Filed: July 9, 2010
    Date of Patent: November 18, 2014
    Assignee: Sumitomo Bakelite Company Limited
    Inventors: Daisuke Hirokane, Akiharu Satoh, Masami Yamazaki
  • Patent number: 8865311
    Abstract: A resin composition used to prepare a sheet-like prepreg by impregnating a substrate with the resin composition includes an epoxy resin that contains a naphthalene-modified epoxy resin, and a triazine-modified novolac resin. A sheet-like prepreg is formed by impregnating a substrate with the resin composition. A laminate formed using the prepreg exhibits excellent flame retardancy, solder heat resistance, and lead-free heat resistance, has a small coefficient of linear expansion in the thickness direction, and has excellent adhesion to a conductor circuit.
    Type: Grant
    Filed: September 20, 2007
    Date of Patent: October 21, 2014
    Assignee: Sumitomo Bakelite Company Limited
    Inventor: Akihiko Tobisawa
  • Publication number: 20140307398
    Abstract: An image display device includes: a plate-like base substrate (22), a transparent opposite substrate (3) provided opposite to the base substrate (22) and having flexibility, and a display element provided between the base substrate (22) and the opposite substrate (3), the display element including a transparent element substrate (41) having flexibility and a working unit (43) provided on a side of one surface of the element substrate (41), wherein each of the opposite substrate (3) and the element substrate (41) contains a resin material or a plate-like glass base member, and wherein in the case where the opposite substrate (3) contains the glass base member, an average thickness of the opposite substrate (3) is in the range of 0.02 to 0.2 mm, and in the case where the element substrate (41) contains the glass base member, an average thickness of the element substrate (41) is in the range of 0.02 to 0.2 mm.
    Type: Application
    Filed: November 29, 2012
    Publication date: October 16, 2014
    Applicant: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Toshimasa Eguchi, Toshiaki Chuma, Manabu Naito
  • Patent number: 8845942
    Abstract: A compact production apparatus includes a main body having at least one molding die in which a cavity is formed, a first flow passage member for supplying powder into the cavity, an upper compaction member having an upper punch surface, a lower compaction member having a lower punch surface which is allowed to compress the powder in the cavity in cooperation with the upper punch surface to thereby obtain a compact of the powder, and a second flow passage member from which the compact separated from the cavity is to be discharged. Further, at least 80% or more of a total surface area of an upper surface of the main body, an inner circumferential surface defining the cavity, an inner circumferential surface of the first flow passage member, an inner circumferential surface of the second flow passage member, the upper punch surface of the upper compaction member and the lower punch surface of the lower compaction member is made of a nonmetallic material.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: September 30, 2014
    Assignee: Sumitomo Bakelite Company Limited
    Inventors: Shigehisa Ueda, Kazuo Noda
  • Publication number: 20140273049
    Abstract: A diagnostic marker for digestive organ cancer according to the present invention is used for determining whether or not to have a digestive organ cancer. The diagnostic marker for digestive organ cancer contains at least one of N-binding type sugar chains released from a glycoprotein contained in blood and represented by the following formulas (1) to (6). This makes it possible to provide a diagnostic marker for digestive organ cancer capable of being used for an inspection method of easily determining whether or not to have a digestive organ cancer at an early stage, and an inspection method for digestive organ cancer of easily determining whether or not to have a digestive organ cancer at an early stage.
    Type: Application
    Filed: October 5, 2012
    Publication date: September 18, 2014
    Applicants: Kagoshima University, SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Shoji Natsugoe, Yasuto Uchikado, Teruto Hashiguchi, Hiroyuki Shinchi, Kosei Maemura, Yuko Mataki, Norichika Moriwaki, Masaru Sekijima, Hideyuki Shimaoka, Midori Sakaguchi, Masao Fukushima, Kota Igarashi, Hiroki Abe, Taichi Aihara
  • Publication number: 20140273686
    Abstract: A transparent composite substrate according to the present invention includes a composite layer containing a glass cloth formed of an assembly of glass fibers and a resin material impregnated in the glass cloth. The resin material has an Abbe number of equal to or larger than 45. The assembly of the glass fibers itself has a variation in a refractive index and a difference between a maximum value and a minimum value of the refractive index is equal to or less than 0.01. This makes it possible to provide a transparent composite substrate having superior optical characteristics and a high-reliable display element substrate using the transparent composite substrate. Further, the resin material preferably contains an alicyclic epoxy resin or an alicyclic acrylic resin as a major component thereof.
    Type: Application
    Filed: November 6, 2012
    Publication date: September 18, 2014
    Applicant: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Toshimasa Eguchi, Hideo Umeda, Manabu Naito, Hiroyuki Otsuka
  • Publication number: 20140242312
    Abstract: A silicone rubber-based curable composition of the present invention contains: a vinyl group-containing organopolysiloxane (A); an organohydrogen polysiloxane (B); silica particles (C); a silane coupling agent (D); and a platinum or platinum compound (E), wherein satisfied is the following requirement X, or both the following requirements X and Y: Requirement X: the vinyl group-containing organopolysiloxane (A) contains both a vinyl group-containing linear organopolysiloxane (A1) and a vinyl group-containing branch organopolysiloxane (A2), Requirement Y: the organohydrogen polysiloxane (B) contains a mixture (B3) of a linear organohydrogen polysiloxane (B1) and a branch organohydrogen polysiloxane (B2), or the branch organohydrogen polysiloxane (B2). This makes it possible to provide a silicon rubber-based curable composition which can produce a silicone rubber having excellent tensile strength and tearing strength.
    Type: Application
    Filed: September 20, 2012
    Publication date: August 28, 2014
    Applicant: SUMITOMO BAKELITE COMPANY LIMITED
    Inventors: Taketoshi Murai, Kazunobu Senoo, Jun Okada, Motoyoshi Tsujimoto