Patents Assigned to Mitsui
  • Encapsulation Material for Solar Cell Element
    Publication number: 20080169023
    Abstract: An encapsulation material for a solar cell element containing an ethylene-polar monomer copolymer having polar monomer unit content of 10-40 wt % and melting point of not lower than 75° C. and HAZE of not more than 10% and meeting the condition of ?3.0X+125?T??3.0X+109, wherein T is melting (° C.) and X is polar monomer unit content (mol %). The encapsulation material for a solar cell element does not require the use of any organic peroxide, consequently bringing about an improvement in the efficiency in the production of solar cell modules. The encapsulation material can also exhibit excellent transparency, heat resistance and flexibility as will make a reduction in the thickness of solar cell elements adequately possible. A solar cell module using the encapsulation material is also provided.
    Type: Application
    Filed: March 8, 2006
    Publication date: July 17, 2008
    Applicants: Du Pont-Mitsui Polychemicals Co., Ltd., E.I.Du Pont de Nemours & Company
    Inventors: Koichi Nishijima, Bernard Rioux
  • COPPER CLAD LAMINATE
    Publication number: 20080171220
    Abstract: To reduce warping of a copper clad laminate coated with copper foils of different thicknesses on both sides, and thereby to improve production efficiency of the printed-wiring boards, there is provided a copper clad laminate coated with copper foils of different thicknesses on both sides, wherein a first copper foil on one side of the laminate is not recrystallizable by hot pressing for production of said laminate and a second foil on the other side is recrystallizable by the hot pressing and thicker than the first foil.
    Type: Application
    Filed: February 25, 2008
    Publication date: July 17, 2008
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Takuya YAMAMOTO, Seiji Nagatani, Masahiko Nakano
  • Process For Producing A Printed Wiring Board
    Publication number: 20080171138
    Abstract: A printed wiring board comprising an insulating film, a wiring pattern formed on at least one surface of the insulating film, a metal plating layer on the wiring pattern, and a resin protective layer provided on the wiring pattern with the metal plating layer in between so as to expose terminal portions of the wiring pattern plated with the metal, wherein the metal plating layer on the wiring pattern has a surface roughness (Rz) of 1.1 ?m or above. A semiconductor device includes the printed wiring board and an electronic component mounted thereon. In production of the printed wiring board, the wiring pattern is surface roughened prior to forming the metal plating layer such that the metal plating layer formed thereon will have a surface roughness (Rz) of 1.1 ?m or above.
    Type: Application
    Filed: October 30, 2007
    Publication date: July 17, 2008
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Ken Sakata, Hiromu Terada
  • Process for preparing low molecular weight olefin (CO) polymer and polymerization catalyst used thereof
    Publication number: 20080171651
    Abstract: The present invention provides a process for preparing a low molecular weight olefin (co)polymer having a narrow molecular weight distribution with high productivity, by polymerizing or copolymerizing an olefin in the presence of an olefin polymerization catalyst comprising (A) a specific Group 4 transition metal compound, and (B) at least one compound selected from the group consisting of (B-1) an organometallic compound, (B-2) an organoaluminum compound, (B-3) an organoaluminum oxy-compound, and (B-4) a compound which reacts with the Group 4 transition metal compound (A) to form an ion pair; and compounds useful in that process.
    Type: Application
    Filed: May 24, 2007
    Publication date: July 17, 2008
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Yasushi Tohi, Naomi Urakawa, Koji Endo, Koji Kawai, Kazunori Okawa, Chiemi Okawa, Toshiyuki Tsutsui
  • Striker and striker system
    Patent number: 7399012
    Abstract: A striker locks two members by engagement with a groove of a hook, wherein the striker is fixed to one of the two members and the hook is rotatably fixed to the other of the two members. The striker includes a mounting plate portion fixed to the one of the two members; a base plate portion which is formed so as to extend perpendicular to the mounting plate portion by a bending process along a bend line; and a folded-back plate portion which is formed by folding over an extended portion. The folded back plate portion extends from one end of the base plate portion in a direction of the bend line, onto the opposite side of the base plate portion from the mounting plate portion side, so that the extended portion overlies the base plate portion. The base plate portion is positioned closer to the hook than the folded-back plate portion.
    Type: Grant
    Filed: August 26, 2004
    Date of Patent: July 15, 2008
    Assignees: Toyota Jidosha Kabushiki Kaisha, Mitsui Mining & Smelting Co., Ltd., Shiroki Corporation
    Inventor: Takeshi Yoshimura
  • Method for Reducing Transition Metal, and Method for Treating Surface of Silicon-Containing Polymer, Method for Preparing Fine Transition Metal Particles and Method for Producing Article and Wiring Board, Using the Reducing Method
    Publication number: 20080166571
    Abstract: A surface treating method for metallizing the surface of a polymer containing silicon by the use of a non-expensive material and a method for metallizing the surface of or forming a pattern of a metal layer such as a wiring on the surface of a substrate comprising an arbitrary material, or a method for producing fine particles of a specific transition metal are provided. The method for treating the surface of a silicon-containing polymer or a method for preparing fine transition metal particles involves contacting an organosilicon compound with a solid, a solution or a suspension of a specific transition metal salt, to reduce and precipitate the transition metal and thereby precipitate fine particles of the transition metal on the surface of said organosilicon compound or in the organosilicon compound.
    Type: Application
    Filed: November 22, 2005
    Publication date: July 10, 2008
    Applicant: Mitsui Chemicals Inc.
    Inventors: Masaki Takahashi, Akiko Kitamura, Kenji Iwata, Hiroshi Watanabe, Kenichi Goto, Jun Kamada
  • Winding Mechanism with Tension Control Function and Trawling Apparatus
    Publication number: 20080164365
    Abstract: To provide a winding mechanism and a trawling apparatus capable of eliminating an excessive tension or slack generated in a wire wound around a drum and keeping the tension or wire length of the wire constant. A winding mechanism with tension control function includes a reversibly rotatable liquid-pressure motor rotating a drum having a wire wound therearound, a liquid-pressure pump coupled directly with the liquid-pressure motor and supplying hydraulic oil, and an electric motor rotating to drive the liquid-pressure pump. The winding mechanism further includes a control unit controlling a torque of the electric motor based on a variation in load current of the electric motor and winding off or winding up the wire to keep the tension of the wire at a set value.
    Type: Application
    Filed: January 17, 2006
    Publication date: July 10, 2008
    Applicants: MITSUI ENGINEERING & SHIPBUILDING CO., LTD., TSURUMI SEIKI CO., LTD., DAI-ICHI ELECTRIC CO., LTD.
    Inventors: Shuji Ueki, Hirohumi Doi, Shogo Miyajima, Kenzo Hasegawa, Hiroshi Satoh
  • Laminate and display filter using the same
    Patent number: 7396583
    Abstract: A transparent and conductive laminate that is substantially decreased in reactive defects, and a display filter, a heat-ray reflecting film and an electromagnetic wave-shielding film comprising the laminate are provided. The laminate includes a transparent substrate, a transparent conductive thin-film layer containing silver, and a protective layer containing a binder material and inorganic fine particles, wherein the transparent conductive thin-film layer is in contact with the protective layer. The generation of reflective defects can be outstandingly reduced. Therefore, a laminate superior in electromagnetic wave-shielding ability, heat-ray reflecting ability and visibility for a long period of time and products comprising the laminate can be obtained.
    Type: Grant
    Filed: July 16, 2004
    Date of Patent: July 8, 2008
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Masaaki Yoshikai, Satoru Okada, Hirokazu Mizuma, Yukinori Asakawa, Tomoaki Ito, Masanari Ota
  • Thiourethane-based optical material
    Patent number: 7396900
    Abstract: A composition for making a high-refractive-index resin contains a polythiol compound and a compound containing at least two iso(thio)cyanato groups, the polythiol compound having a dithioacetal, dithioketal, orthotrithioformic ester, or orthotetrathiocarbonic ester skeleton. The molar ratio of the mercapto group to the iso(thio)cyanato group in the composition is greater than 1.0 but not more than 3.0. A method for making a resin by curing the composition, a resin prepared by curing the composition, an optical element made from the resin, and a lens made from the optical element are also provided.
    Type: Grant
    Filed: February 20, 2007
    Date of Patent: July 8, 2008
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Mamoru Tanaka, Shigetoshi Kuma, Munehito Funaya, Seiichi Kobayashi
  • Method For Bonding Members, Composite Film And Uses Thereof
    Publication number: 20080160339
    Abstract: The bonding method of the present invention is a method of bonding a member (a) having a layer (a1) comprising an organic polymer (A), and a member (b) containing a compound (B) having specific functional groups, wherein the bonding method comprises bonding the member (a) and the member (b) via a layer comprising an inorganic compound (C) having a nitrogen atom and a hydrogen atom, which is at least partly provided on the outermost surface of the member (a).
    Type: Application
    Filed: January 30, 2006
    Publication date: July 3, 2008
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Yuichi Ito, Yugo Yamamoto, Kimihiko Saito
  • Resin Composition for Sealing Material, Sealing Material, Sealing Method, and Electroluminescent Display
    Publication number: 20080161471
    Abstract: Provided is a resin composition for sealing material containing 0.1 to 150 parts by weight of a curing agent (B) and 1 to 500 parts by weight of boehmite fine particles (C), based on 100 parts by weight of a compound (A) having polymerizable cyclic ether. Further provided according to the invention is a resin composition for sealing material having excellent water vapor permeation resistance and a sealing material for electroluminescence using the same.
    Type: Application
    Filed: February 10, 2006
    Publication date: July 3, 2008
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Yugo Yamamoto, Yuichi Itou
  • Method for manufacturing olefinic thermoplastic elastomer composition
    Patent number: 7393897
    Abstract: The method for manufacturing a thermoplastic elastomer composition of the present invention comprises continuously feeding a mixture comprising pelletized olefinic resin (A), a pulverized product (B) obtained by pulverizing bulk olefinic rubber, and a crosslinking agent (C) into a continuous kneading machine, and performing a dynamic heat treatment to yield the thermoplastic elastomer composition. An olefinic thermoplastic elastomer composition having excellent tensile characteristics and molded appearance can be manufactured with high productivity by the method of the present invention.
    Type: Grant
    Filed: February 26, 2003
    Date of Patent: July 1, 2008
    Assignee: Mitsui Chemicals, Inc.
    Inventor: Yuichi Ito
  • Crosslinked metallocene compound for olefin polymerization and method of polymerizing olefin with the same
    Patent number: 7393965
    Abstract: The bridged metallocene compound or the olefin polymerization catalyst which comprises the compound, enables high polymerization activity in polymerizing one or more monomers selected from ethylene and ?-olefins. The bridged metallocene compound contains specific substituted cyclopentadienyl and fluorenyl groups which are linked via carbon or silicon atoms. In the method for the preparation of polyolefins, one or more monomers, preferably ethylene as an essential monomer, selected from ethylene and ?-olefins are copolymerized in the presence of the olefin polymerization catalyst comprising the bridged metallocene compound, so that an ethylene based polymer with an ethylene content of more than 50 mol % is obtained.
    Type: Grant
    Filed: February 17, 2003
    Date of Patent: July 1, 2008
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Yasushi Tohi, Koji Endo, Hiromu Kaneyoshi, Naomi Urakawa, Yuichi Yamamura, Koji Kawai
  • Polar group-containing olefin copolymer, process for preparing the same, thermoplastic resin composition containing the copolymer, and uses thereof
    Patent number: 7393907
    Abstract: The present invention is a polar group-containing olefin copolymer having excellent adhesion properties to metals or polar resins and excellent compatibility therewith. A process for preparing the copolymer, a thermoplastic resin composition containing the copolymer, and uses thereof are also described. The polar group-containing olefin copolymer comprises a constituent unit derived from an ?-olefin of 2 to 20 carbon atoms, and a constituent unit derived from a straight-chain, branched or cyclic polar group-containing monomer having at the end a polar group such as a hydroxyl group or an epoxy group and/or a constituent unit derived from a macromonomer having at the end a polymer segment obtained by anionic polymerization, ring-opening polymerization or polycondensation.
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: July 1, 2008
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Junichi Imuta, Norio Kashiwa, Seiji Ota, Satoru Moriya, Tadahito Nobori, Kazumi Mizutani
  • Novel Adhesive and Laminate Using the Same
    Publication number: 20080152904
    Abstract: Provided is a carbodiimide-modified, high-density polyolefin-based adhesive with minimal lowering of adhesion power even in a high temperature environment, and a laminate having excellent interlayer adhesion power at high temperatures prepared by using the adhesive.
    Type: Application
    Filed: March 13, 2006
    Publication date: June 26, 2008
    Applicant: MITSUI CHEMICALS INC
    Inventor: Shuichi Murakami
  • Polyisocyanate Production Method and Polyisocyanate Production System
    Publication number: 20080154066
    Abstract: A polyisocyanate production method that can allow effective use of hydrogen chloride produced secondarily in a polyisocyanate production process, while allowing reduction of environmental burdens, and a polyisocyanate production system for performing the polyisocyanate production method. After chlorine is allowed to react with carbon monoxide to produce carbonyl chloride in a carbonyl chloride producing reactor, the carbonyl chloride produced in the carbonyl chloride producing reactor is allowed to react with polyamine in an isocyanate producing reactor to produce polyisocyanate. Then, after hydrochloric gas produced secondarily in the isocyanate producing reactor is purified in a hydrogen chloride purifying column, the purified hydrochloric gas is oxidized in a hydrogen chloride oxidizing reactor to produce chlorine.
    Type: Application
    Filed: March 8, 2006
    Publication date: June 26, 2008
    Applicant: Mitsui Chemicals Polyurethanes, Inc
    Inventors: Masaaki Sasaki, Takao Naito, Fumiaki Hirata, Masato Saruwatari, Hirofumi Takahashi, Kouji Maeba, Tsugio Imaizumi, Takuya Saeki, Takashi Yamaguchi, Kouichirou Terada
  • Latch apparatus
    Patent number: 7390034
    Abstract: In a latch apparatus, a latch mechanism arranged at a vehicle body or a door, holds the door towards the vehicle body in a half closed state and a fully closed state. An open lever, a door opening action of which cancels the half closed state or the fully closed state of the door held by the latch mechanism, is arranged to be interlocked with the latch mechanism and to be able to swing. A first handle lever performs an opening action based on an opening operation of a first operation handle. A second handle lever performs an opening action based on an opening operation of a second operation handle. A cancel lever coupled to a closer apparatus that brings the door in the half closed state to the fully closed state, is caused to abut on the open lever to perform a canceling action, thereby disabling a drive of the closer apparatus.
    Type: Grant
    Filed: September 27, 2004
    Date of Patent: June 24, 2008
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventor: Hisashi Inoue
  • Optical Compensation Film and Display Element Using the Same
    Publication number: 20080145680
    Abstract: In an optical compensation film when a direction wherein a refractive index within a film surface is maximum is an X axis, a direction vertical to the X axis within the surface is a Y axis, and a film thickness direction is a Z axis, and refractive indexes at 590 nm in each axis direction are nX, nY, nZ, and a film thickness is d, a retardation value within the surface expressed as R=(nX?nY)?d, which is measured under conditions at 23° C. and a relative humidity of 50%, and a thickness direction retardation value expressed as Rth=|(nX+nY)/2?nZ|·d satisfy inequalities of Rth/R?5 and R?9.5 (nm).
    Type: Application
    Filed: September 22, 2005
    Publication date: June 19, 2008
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Satoshi Kawamoto, Masumi Saruwatari
  • Window Material for Display
    Publication number: 20080145632
    Abstract: The invention provides a window material for a display having at least two biaxially stretched polyester sheets, one of the sheets being disposed as an outer layer of a display surface. The window material for a display has a thickness of 0.3 to 5 mm and a light transmittance of 80 to 99.5%. The window material for a display preferably has a layer of a resin other than polyester, such as polycarbonate. Further, the window material for a display has a bending strength of 50 to 100 MPa, a bending modulus of elasticity of 3000 to 5500 MPa, and a maximum impact strength in a high-speed impact test of 1 kN or more. The window material for a display of the present invention is used as a window material for a display for devices such as liquid crystal display devices (LCDs), cathode-ray tube display devices (CRTs), EL display devices, plasma display devices (PDPs), and projection display devices.
    Type: Application
    Filed: November 24, 2005
    Publication date: June 19, 2008
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Satoru Nagami
  • Reel for winding electronic component carrier tape
    Patent number: D573151
    Type: Grant
    Filed: May 30, 2007
    Date of Patent: July 15, 2008
    Assignees: Mitsui Mining & Smelting Co., Ltd., Kyunshu Seimitsu Kiki Co., Ltd.
    Inventors: Masao Kawauchi, Tomonori Noda, Shuichi Yamamoto, Nozumu Kitajima