Patents by Inventor Seiichi Kobayashi

Seiichi Kobayashi 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).

  • Patent number: 8485004
    Abstract: A leather groove forming apparatus includes: a blade holder 43 holding a blade 35 for forming a groove 9 in one surface in a thickness direction of a held leather 5 held in a flat sheet state; blade holder moving unit for moving the blade holder in an in-plane direction of the one surface in the thickness direction of the held leather 5; and blade holder positioning unit for positioning the blade holder 43 in a direction intersecting with the in-plane direction with the blade holder 43 placed on a guide member 55 in formation of the groove in the held leather 5 by moving the blade holder 43 using the blade holder moving unit.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: July 16, 2013
    Assignee: Midori Technopark Co., Ltd.
    Inventors: Seiichi Kobayashi, Yukihiro Murakami
  • Publication number: 20130155507
    Abstract: The plastic polarized lens (10) of the present invention contains a polarized film (12) and layers (resin layers) (14a and 14b) comprising a thiourethane-based resin stacked over both surfaces of the polarized film (12), and the polarized film contains an organic coloring compound represented by the following general formula (1).
    Type: Application
    Filed: August 10, 2011
    Publication date: June 20, 2013
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Akinori Ryu, Seiichi Kobayashi, Hiroyuki Kamio, Yoshiharu Kobayashi, Mitsuru Sakai, Yoshimitsu Aiiso
  • Patent number: 8434866
    Abstract: The polymerizable composition for an optical material of the present invention comprises a phenylene diisocyanate, at least one polythiol compound selected from the group consisting of 4-mercaptomethyl-1,8-dimercapto-3,6-dithiaoctane, 4,8-, 4,7- or 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, 2,5-bis(mercaptomethyl)-1,4-dithiane, bis(mercaptoethyl)sulfide, 1,1,3,3-tetrakis(mercaptomethylthio)propane, 4,6-bis(mercaptomethylthio)-1,3-dithiane, 2-(2,2-bis(mercaptomethylthio)ethyl)-1,3-dithietane, 1,1,2,2-tetrakis(mercaptomethylthio)ethane 3-mercaptomethyl-1,5-dimercapto-2,4-dithiapentane and tris(mercaptomethylthio)methane.
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: May 7, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Hidetoshi Hayashi, Masaru Kawaguchi, Akinori Ryu, Hironori Kuboi, Mamoru Takashina, Seiichi Kobayashi, Touru Miura
  • Patent number: 8426551
    Abstract: Polymerizable compositions containing at least one metal thietane compound represented by general formulas (110), (201) or (120), respectively, wherein said formulas are as follows: and wherein the identified moieties and n, p, q and r are defined.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: April 23, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Masakazu Murakami, Tomoyuki Ando, Hironori Kuboi, Hidetoshi Hayashi, Osamu Kohgo, Seiichi Kobayashi
  • Patent number: 8420718
    Abstract: The composition of the present invention contains a product having a thiol group obtained by reacting an Sb or Bi oxide or an Sb or Bi halide with at least one kind of polythiol compounds selected from compounds having at least two thiol groups in a molecule.
    Type: Grant
    Filed: July 23, 2009
    Date of Patent: April 16, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Tomoyuki Ando, Masakazu Murakami, Mamoru Takashina, Seiichi Kobayashi
  • Patent number: 8394891
    Abstract: The additive for a polymerizable composition according to the present invention contains a compound represented by the general formula (a). In the general formula (a), R represents a saturated hydrocarbon group having 1 to 3 carbon atoms. M represents Sn, Sb, Bi, or Ge. m represents 0 or 1. R and M are not directly bonded when m is 0. n represents an integer of 1 to 3. X represents a monovalent linking group, and a plurality of X may be the same as or different from each other. When two or more linking groups X are bonded with the metal atom M, the linking groups X may combine together to form a ring.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: March 12, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Tomoyuki Ando, Seiichi Kobayashi
  • Patent number: 8362280
    Abstract: A thietane compound represented by the following formula (30): in formula (30), A represents an OH group or an SH group.
    Type: Grant
    Filed: February 18, 2009
    Date of Patent: January 29, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Hironori Kuboi, Hidetoshi Hayashi, Osamu Kohgo, Seiichi Kobayashi
  • Publication number: 20130018169
    Abstract: Polymerizable compositions containing at least one metal thietane compound represented by general formulas (110), (201) or (120), respectively, wherein said formulas are as follows: and wherein the identified moieties and n, p, q and r are defined.
    Type: Application
    Filed: September 14, 2012
    Publication date: January 17, 2013
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masakazu Murakami, Tomoyuki Ando, Hironori Kuboi, Hidetoshi Hayashi, Osamu Kohgo, Seiichi Kobayashi
  • Patent number: 8349996
    Abstract: Disclosed is a compound represented by the following general formula (1), wherein, in the formula, M1 represents Sb or Bi; X1 and X2 each independently represent a sulfur atom or an oxygen atom; R1 represents a divalent organic group; Y1 represents a monovalent inorganic or organic group; a represents a number of 1 or 2; b represents a number of 0 or an integer of not less than 1; c represents an integer of not less than 1 and not more than d; d represents a valence of M1; when d?c is not less than 2, a plurality of Y1s each independently represent a monovalent inorganic or organic group and may be bonded to each other to form an M1-containing ring; and e represents a number of 0 or an integer of not less than 1.
    Type: Grant
    Filed: July 23, 2009
    Date of Patent: January 8, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Masakazu Murakami, Tomoyuki Ando, Seiichi Kobayashi
  • Publication number: 20130005934
    Abstract: A polymerizable composition including a compound represented by following General Formula (1): (in Formula (1), M represents a metal atom; X1 and X2 each independently represents a sulfur atom or an oxygen atom; R1 represents a divalent organic group; m represents an integer of 0 or 1 or greater; p represents an integer of 1 to n; n represents a valence of a metal atom M; and Y's each independently represents an inorganic or organic residue, where when n?p is 2 or greater, Y's may be bonded to each other to form a ring containing a metal atom M), a thiol compound and an episulfide compound.
    Type: Application
    Filed: September 12, 2012
    Publication date: January 3, 2013
    Applicant: MITSUI CHEMICALS, INC
    Inventors: Mitsuo Nakamura, Hiroshi Naruse, Atsuo Otsuji, Shinichi Usugi, Masao Imai, Hidetoshi Hayashi, Osamu Kohgo, Hideki Yamamoto, Seiichi Kobayashi
  • Patent number: 8293864
    Abstract: Disclosed is a metal thietane compound represented by the following general formula (120), (wherein, in the above general formula (120), M is a member selected from the group consisting of Bi, Sb, Ti, Zr and Ta; X1 and X2 are each independently a sulfur atom or an oxygen atom; R1 is a divalent organic group; the bond between M and T shown by a dotted line and a solid line represents a single or double bond; m is an integer of 0 or 1 or more; n is the number of valence of M; and p is an integer of equal to or more than 1 and equal to or less than n, provided that when r is 1, q is 0 and Y is a monovalent inorganic or organic group; when r is 1 and n-p-q is 2 or more, a plurality of Ys contained are each independently selected from monovalent inorganic or organic groups; when r is 1 and n-p-q is 2 or more, a plurality of Ys may be bonded to each other to form a ring containing M; when r is 2, n-p-q is 1 or 2 and Y is a divalent group; when r is 2 and n-p-q is 2, two Ys may form a ring together with two Ms;
    Type: Grant
    Filed: February 19, 2008
    Date of Patent: October 23, 2012
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Masakazu Murakami, Tomoyuki Ando, Hironori Kuboi, Hidetoshi Hayashi, Osamu Kohgo, Seiichi Kobayashi
  • Publication number: 20120203011
    Abstract: A process for producing bis(thietanylthio)dithiastannolane of the following formula: involving the reaction of tetrakis(thietanylthio)tin having the following formula: with 1,2-ethandiethiol.
    Type: Application
    Filed: April 20, 2012
    Publication date: August 9, 2012
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masakazu MURAKAMI, Tomoyuki ANDO, Seiichi KOBAYASHI
  • Publication number: 20120192597
    Abstract: A leather groove forming apparatus includes: a blade holder 43 holding a blade 35 for forming a groove 9 in one surface in a thickness direction of a held leather 5 held in a flat sheet state; blade holder moving unit for moving the blade holder in an in-plane direction of the one surface in the thickness direction of the held leather 5; and blade holder positioning unit for positioning the blade holder 43 in a direction intersecting with the in-plane direction with the blade holder 43 placed on a guide member 55 in formation of the groove in the held leather 5 by moving the blade holder 43 using the blade holder moving unit.
    Type: Application
    Filed: September 30, 2010
    Publication date: August 2, 2012
    Applicant: MIDORI TECHNOPARK CO., LTD.,
    Inventors: Seiichi Kobayashi, Yukihiro Murakami
  • Patent number: 8187712
    Abstract: To provide a plastic polarized lens which is excellent in processability and the like as well as in adhesion property of the polarized film, and a method of producing the same. In the plastic polarized lens of the present invention, layers comprised of thiourethane-based resins obtained by reacting (A) isocyanate compounds with (B) active hydrogen compounds are stacked on both sides of a polarized film comprised of thermoplastic polyester formed under a predetermined temperature condition.
    Type: Grant
    Filed: February 6, 2009
    Date of Patent: May 29, 2012
    Assignees: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.
    Inventors: Akinori Ryu, Seiichi Kobayashi, Yoshimitsu Aiiso
  • Patent number: 8183404
    Abstract: The present invention is to provide a process for producing dicyanonorbornane characterized by causing hydrogen cyanide to undergo addition reaction with cyanonorbornene (bicyclo[2.2.1]-5-heptene-2-carbonitrile) in the presence of a zerovalent nickel complex catalyst which is produced by using a phosphite represented by P(x)(y)(z) (wherein P is a phosphorus atom, and x, y and z are each OR, where R represents an aryl group having not more than 18 carbon atoms) as a ligand to reduce a nickel halide with at least one metal selected among zinc, cadmium, beryllium, aluminum, iron and cobalt, wherein the phosphite is one which has a phosphate content of 1.0 weight % or lower based on the whole phosphite.
    Type: Grant
    Filed: June 22, 2007
    Date of Patent: May 22, 2012
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Norihiko Fukatsu, Hiroyuki Morijiri, Chitoshi Shimakawa, Koichi Tokunaga, Seiichi Kobayashi
  • Patent number: 8183407
    Abstract: An isocyanate has been widely used as a starting material for the production of a polyurethane material, a polyisocyanurate material or the like which is suitably applicable to the field of optical materials. Disclosed is a process for producing an isocyanate which includes a step for producing the isocyanate in the form of a hydrochloride with improved productivity. A process for producing a linear or cyclic aliphatic isocyanate comprising the step of reacting a linear or cyclic aliphatic amine with hydrogen chloride to yield a hydrochloride of the linear or cyclic aliphatic amine, the step being performed under a pressure higher by 0.01 MPa or more than the atmospheric pressure.
    Type: Grant
    Filed: July 20, 2006
    Date of Patent: May 22, 2012
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Chitoshi Shimakawa, Hiroyuki Morijiri, Hidetoshi Hayashi, Norihiko Fukatsu, Seiichi Kobayashi, Homare Yumoto, Junichi Ishiyama, Shinya Tsuchiyama
  • Patent number: 8102138
    Abstract: A motor control apparatus includes a steering column having inserted therein a steering shaft to which steering torque is transmitted, a reduction gear box coupled to the steering shaft, and an electric motor that transmits a steering assisting force to the steering shaft via a reduction mechanism in the reduction gear box. The electric motor and its control unit including a control board mounted with a control circuit, are provided side by side in the reduction gear box. A connection terminal of the electric motor is electrically connected to the control unit directly. This minimizes a connection distance between the control unit and the electric motor.
    Type: Grant
    Filed: April 11, 2007
    Date of Patent: January 24, 2012
    Assignee: NSK Ltd.
    Inventors: Takaaki Sekine, Atsushi Ooshima, Tetsuya Kodama, Seiichi Kobayashi, Yasuhiro Shimizu, Naoki Hyoudou, Shigeru Endo, Atsushi Horikoshi, Keiji Kashimoto, Tamotsu Oumi, Hideaki Kawada, Shigeo Shinohara, Takeshi Senba, Mitsuo Shimoda
  • Publication number: 20110269914
    Abstract: A polymerizable composition for an optical material containing tolylene diisocyanate, an aliphatic polyisocyanate having 4 to 8 carbon atoms, one or more polythiols selected from pentaerythritol tetrakismercaptoacetate and pentaerythritol tetrakismercaptopropionate and an active hydrogen compound containing two or more active hydrogen groups, is provided.
    Type: Application
    Filed: July 11, 2011
    Publication date: November 3, 2011
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Akinori RYU, Seiichi KOBAYASHI
  • Patent number: 8044165
    Abstract: Disclosed is a process for producing effectively a high performance optical material (e.g. a lens) made of a polyurethane resin, which is transparent and colorless without a strain. In this process, the optical material is produced without causing striation or clouding by polymerizing a polymerizable composition comprising a polythiol compound and a polyiso(thio)cyanate compound, and characterized in that a water content in the composition is 10 to 300 ppm.
    Type: Grant
    Filed: October 9, 2007
    Date of Patent: October 25, 2011
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Masaru Kawaguchi, Shigetoshi Kuma, Mamoru Tanaka, Seiichi Kobayashi
  • Publication number: 20110245530
    Abstract: A process for producing pentaerythritol mercaptocarboxylic ester by reacting pentaerythritol with a mercaptocarboxylic acid having a content of thioester formed by condensation of two molecules of the acid of 5% or below (in terms of area percentage) as determined by the high-performance liquid chromatography in the case of the total area of the mercaptocarboxylic acid and thioester formed by intermolecular condensation of the acid is taken as 100%.
    Type: Application
    Filed: June 15, 2011
    Publication date: October 6, 2011
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Michiharu SAKATA, Shigetoshi Kuma, Seiichi Kobayashi