Patents by Inventor Tomoaki Kobayashi

Tomoaki 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).

  • Publication number: 20120065427
    Abstract: An object of the present invention is to provide a process for stably producing a catalyst for methacrylic acid production exhibiting high activity and high performance. The process for producing a catalyst for methacrylic acid production of the invention is characterized in that the water content of the catalyst ingredient powder for use in molding, temperature and humidity of a molding step, humidity and temperature of a baking step are individually controlled in the case where molding is performed by a coating method using an Mo—V—P—Cu-based hetero polyacid as an active ingredient and water or an alcohol and/or an aqueous solution of an alcohol as a binder.
    Type: Application
    Filed: November 17, 2011
    Publication date: March 15, 2012
    Applicant: NIPPONKAYAKU KABUSHIKIKAISHA
    Inventors: Atsushi Sudo, Kazuo Shiraishi, Hideki Sugi, Hiroyoshi Nowatari, Fumio Sakai, Tomoaki Kobayashi, Tatsuhiko Kurakami
  • Publication number: 20110244388
    Abstract: There is provided a resin-coated carrier for an electrophotographic developer, including: a carrier core particle; and a coating resin layer comprising a silicone resin or a modified silicone resin formed on a surface of the carrier core particle, wherein a titanium-ethyl acetoacetate chelate or a titanium-octylene glycol chelate is contained in the coating resin layer as a titanium chelate, and wherein the content of the titanium-ethyl acetoacetate chelate or the titanium-octylene glycol chelate is 5.0 to 50.0% by weight based on coating resin solids. There is also provided an electrophotographic developer using the resin-coated carrier.
    Type: Application
    Filed: March 25, 2011
    Publication date: October 6, 2011
    Applicant: POWDERTECH CO., LTD.
    Inventors: Tetsuya UEMURA, Tomoaki KOBAYASHI, Masashi AOKI
  • Patent number: 7914720
    Abstract: The present invention provides a method for manufacturing a conductive structure having high electrical conductivity, and a method for manufacturing a dimensionally accurate separator for a fuel cell having high electrical conductivity. In the present invention, the cavity surface temperature of a mold is kept equal to or higher than the crystal melting temperature (Tm) of composite material until the shaping of the composite material melted in the mold is completed, and after the completion of the shaping process, the cavity surface temperature of the mold is controlled to be equal to or higher than a temperature 20° C. lower than the crystallization temperature (Tc) of the composite material but equal to or lower than a temperature 20° C. higher than the crystallization temperature of the composite material to harden the composite material.
    Type: Grant
    Filed: May 10, 2010
    Date of Patent: March 29, 2011
    Assignee: Showa Denko K.K.
    Inventors: Toshihiro Arai, Hiroshi Sakamoto, Tomoaki Kobayashi
  • Patent number: 7910898
    Abstract: Beam detectors configuring a beam monitor are connected to a single current measurement apparatus through respective switches. If a width of a beam incident hole of each of the beam detectors 32 in the X direction is Wf, a gap between the beam incident holes of adjacent beam detectors in the X direction is Ws, a beam width of the ion beam in the X direction is Wb, a total number of beam detectors is “p”, and “n” is an integer of 0?n?(p?2) and satisfying Wb<{n·Wf+(n+1)Ws}, a measuring process of receiving the ion beam by the beam monitor and measuring the waveforms of the beam currents flowing into the current measurement apparatus in a state in which the plurality of switches skipped by “n” are simultaneously switched ON and a switching process of switching the switches simultaneously switched ON under the condition, are repeated.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: March 22, 2011
    Assignee: Nissin Ion Equipment Co., Ltd.
    Inventor: Tomoaki Kobayashi
  • Publication number: 20100248113
    Abstract: A carrier coated with a resin for an electrophotographic developer in which a carrier particle surface is coated with the resin and the coating resin contains a lithium salt, and an electrophotographic developer using the carrier coated with the resin.
    Type: Application
    Filed: March 11, 2010
    Publication date: September 30, 2010
    Applicant: POWDERTECH CO., LTD.
    Inventors: Tetsuya UEMURA, Tomoaki KOBAYASHI, Naoto KURAMOCHI, Tadashi TSUDUKI
  • Publication number: 20100233612
    Abstract: A carrier for an electrophotographic developer in which a surface of a carrier core particle is coated with a silicone resin or a modified silicone resin, the coated resin containing a dioctyltin compound, and the silicon content and dioctyltin content in the coating resin satisfy the following expression, and an electrophtographic developer using the carrier. 0.5?(dioctyltin content/silicon content)×100?11.
    Type: Application
    Filed: March 3, 2010
    Publication date: September 16, 2010
    Applicant: POWDERTECH CO., LTD.
    Inventors: Tetsuya UEMURA, Tomoaki KOBAYASHI, Masashi AOKI
  • Publication number: 20100219551
    Abstract: The present invention provides a method for manufacturing a conductive structure having high electrical conductivity, and a method for manufacturing a dimensionally accurate separator for a fuel cell having high electrical conductivity. In the present invention, the cavity surface temperature of a mold is kept equal to or higher than the crystal melting temperature (Tm) of composite material until the shaping of the composite material melted in the mold is completed, and after the completion of the shaping process, the cavity surface temperature of the mold is controlled to be equal to or higher than a temperature 20° C. lower than the crystallization temperature (Tc) of the composite material but equal to or lower than a temperature 20° C. higher than the crystallization temperature of the composite material to harden the composite material.
    Type: Application
    Filed: May 10, 2010
    Publication date: September 2, 2010
    Applicant: SHOWA DENKO K.K.
    Inventors: Toshihiro Arai, Hiroshi Sakamoto, Tomoaki Kobayashi
  • Patent number: 7642214
    Abstract: An object of the present invention is to provide a highly active catalyst for producing an unsaturated oxygen-containing compound from an alkane and the catalyst comprising Mo, V, Ti and Sb or Te as the indispensable active components. The preferable catalyst is represented by formula (1) or (2) as shown below, Mo1.0VaTibXcYdOe??(1) Mo1.0VaTibXcYdZfOe??(2) wherein X represents Sb or Te; Y represents Nb, W or Zr; Z represents Li, Na, K, Rb, Cs, Mg, Ca or Sr; a, b, c, d, e and f represent atomic ratios of their respective elements, with 0<a<0.7, 0<b<0.3, 0<c<0.7, 0?d<0.3, 0<f<0.1; e is a number determined by oxidation states of the other elements than oxygen.
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: January 5, 2010
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Tomoaki Kobayashi, Yoshimasa Seo
  • Publication number: 20090305111
    Abstract: The present invention provides a method for manufacturing a conductive structure having high electrical conductivity, and a method for manufacturing a dimensionally accurate separator for a fuel cell having high electrical conductivity. In the present invention, the cavity surface temperature of a mold is kept equal to or higher than the crystal melting temperature (Tm) of composite material until the shaping of the composite material melted in the mold is completed, and after the completion of the shaping process, the cavity surface temperature of the mold is controlled to be equal to or higher than a temperature 20° C. lower than the crystallization temperature (Tc) of the composite material but equal to or lower than a temperature 20° C. higher than the crystallization temperature of the composite material to harden the composite material.
    Type: Application
    Filed: May 16, 2005
    Publication date: December 10, 2009
    Inventors: Toshihiro Arai, Hiroshi Sakamoto, Tomoaki Kobayashi
  • Patent number: 7611643
    Abstract: The present invention are to provide an electrically conducting resin composition for a fuel cell separator which overcomes the drawbacks of prior arts, and to provide a fuel cell separator produced by molding this electrically conducting resin composition and having both of high electrical conductivity and flexural property. The present invention employs an electrically conducting resin composition for a fuel cell including a component A of polypropylene resin whose melt flow rate is 0.01 or higher and 10 or lower and a component B of electrically conducting filler as well as a fuel cell separator made of the same.
    Type: Grant
    Filed: May 25, 2005
    Date of Patent: November 3, 2009
    Assignee: Showa Denko K.K.
    Inventors: Toshihiro Arai, Hiroshi Sakamoto, Tomoaki Kobayashi
  • Publication number: 20080173811
    Abstract: Beam detectors configuring a beam monitor are connected to a single current measurement apparatus through respective switches. If a width of a beam incident hole of each of the beam detectors 32 in the X direction is Wf, a gap between the beam incident holes of adjacent beam detectors in the X direction is Ws, a beam width of the ion beam in the X direction is Wb, a total number of beam detectors is “p”, and “n” is an integer of 0?n?(p?2) and satisfying Wb<{n·Wf+(n+1)Ws}, a measuring process of receiving the ion beam by the beam monitor and measuring the waveforms of the beam currents flowing into the current measurement apparatus in a state in which the plurality of switches skipped by “n” are simultaneously switched ON and a switching process of switching the switches simultaneously switched ON under the condition, are repeated.
    Type: Application
    Filed: January 22, 2008
    Publication date: July 24, 2008
    Applicant: NISSIN ION EQUIPMENT CO., LTD.
    Inventor: Tomoaki Kobayashi
  • Patent number: 7368088
    Abstract: An apparatus for producing a purified aqueous hydrogen peroxide solution. The apparatus includes at least one purifier tower packed with an ion exchange resin, a chelate resin or an adsorption resin for receiving a charged aqueous hydrogen peroxide solution containing impurities so as to effect contact thereof with the ion exchange resin, chelate resin or adsorption resin, thereby purifying the charged aqueous hydrogen peroxide solution, which apparatus further comprises a feed pump of given output capable of causing the charged aqueous hydrogen peroxide solution to flow to the purifier tower, a flow sensor capable of sensing a flow rate of charged aqueous hydrogen peroxide solution being fed to the purifier tower by means of the feed pump, and a flow control unit capable of controlling the output of the feed pump on the basis of a detection result of the flow sensor so as to maintain the flow of charged aqueous hydrogen peroxide solution being fed to the purifier tower at a constant rate.
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: May 6, 2008
    Assignee: Santoku Chemical Industries Co., Ltd.
    Inventors: Fujio Tanaka, Takashi Adachi, Toshimi Suzuki, Mutsuro Noguchi, Tomoaki Kobayashi
  • Patent number: 7338730
    Abstract: There is provided a conductive curable resin composition comprising (A) a curable resin composition comprising an elastomer with a Mooney viscosity (ML1+4 (100° C.)) of 25 or greater at 2-80 wt % and (B) a carbon material, with a weight ratio of component (A) to component (B) of 70-5:30-95. The curable resin composition of component (A) preferably comprises (A1) an elastomer at 80-2 wt %, (A2) a radical reactive resin at 20-98 wt % and (A3) an organic peroxide at 0.2-10 parts by weight to 100 parts by weight of (A1+A2). Also provided are a process for production of a conductive cured resin by shaping and curing of the conductive curable resin composition, and a fuel cell separator, an assembly for a cell, an electrode or a heat releasing plate, obtained thereby.
    Type: Grant
    Filed: February 16, 2005
    Date of Patent: March 4, 2008
    Assignee: Showa Denko K.K.
    Inventors: Masayuki Noguchi, Tomoaki Kobayashi, Tadashi Iino
  • Patent number: 7329698
    Abstract: There is provided a conductive curable resin composition comprising (A) a curable resin composition comprising an elastomer with a Mooney viscosity (ML1+4 (100° C.)) of 25 or greater at 2-80 wt % and (B) a carbon material, with a weight ratio of component (A) to component (B) of 70-5:30-95. The curable resin composition of component (A) preferably comprises (A1) an elastomer at 80-2 wt %, (A2) a radical reactive resin at 20-98 wt % and (A3) an organic peroxide at 0.2-10 parts by weight to 100 parts by weight of (A1+A2). Also provided are a process for production of a conductive cured resin by shaping and curing of the conductive curable resin composition, and a fuel cell separator, an assembly for a cell, an electrode or a heat releasing plate, obtained thereby.
    Type: Grant
    Filed: August 6, 2002
    Date of Patent: February 12, 2008
    Assignee: Showa Denko K.K.
    Inventors: Masayuki Noguchi, Tomoaki Kobayashi, Tadashi Iino
  • Patent number: 7184228
    Abstract: A lens body tube includes a main tube, at least one lens configured movable along the optical axis direction of the lens body tube in the main tube, a first ring configured to be rotated for a zooming operation, the first ring being disposed around the outer circumference of the main tube, a second ring configured to be rotated for a focusing operation, the second ring being disposed around the outer circumference of the main tube, a third ring configured to be rotated by the first ring, the third ring being disposed inside the main tube, a fourth ring configured to be translated along the optical axis direction by rotation of the third ring, the fourth ring being disposed inside the main tube, a fifth ring configured to be rotated by the second ring, and at least one lens frame, of the at least one lens, supported by the fifth ring. The fifth ring is screwed together with the fourth ring.
    Type: Grant
    Filed: November 15, 2005
    Date of Patent: February 27, 2007
    Assignee: PENTAX Corporation
    Inventors: Takuji Hamasaki, Tomoaki Kobayashi
  • Patent number: 7177102
    Abstract: A lens body tube configured to support at least one lens inside an inner tube such that the at least one lens can be translated along the optical axis direction of the lens body tube includes a cam ring configured to be rotatably supported around the outer circumferential surface of the inner tube, the at least one lens being configured to be translated along the optical axis direction accompanied by the rotation of the cam ring, a plurality of cams provided on the inner circumferential surface of the cam ring, and a plurality of cam followers provided on a lens frame supporting each of the at least one lens. Each of the plurality of cam followers is engaged with a corresponding one of the plurality of cams. The plurality of cams includes at least two protruded cams. The at least two protruded cams are connected with a part of each other.
    Type: Grant
    Filed: October 27, 2005
    Date of Patent: February 13, 2007
    Assignee: PENTAX Corporation
    Inventor: Tomoaki Kobayashi
  • Publication number: 20070004584
    Abstract: An object of the present invention is to provide a highly active catalyst for producing an unsaturated oxygen-containing compound from an alkane and the catalyst comprising Mo, V, Ti and Sb or Te as the indispensable active components. The preferable catalyst is represented by formula (1) or (2) as shown below, Mo1.0VaTibXcYdOe??(1) Mo1.0VaTibXcYdZfOe??(2) wherein X represents Sb or Te; Y represents Nb, W or Zr; Z represents Li, Na, K, Rb, Cs, Mg, Ca or Sr; a, b, c, d, e and f represent atomic ratios of their respective elements, with 0<a<0.7, 0<b<0.3, 0<c<0.7, 0?d<0.3, 0<f<0.1; e is a number determined by oxidation states of the other elements than oxygen.
    Type: Application
    Filed: July 28, 2006
    Publication date: January 4, 2007
    Inventors: Tomoaki Kobayashi, Yoshimasa Seo
  • Patent number: 7088523
    Abstract: A lens body tube configured to support at least one lens inside an inner tube such that the at least one lens can be translated along the optical axis direction of the lens body tube includes a cam ring configured to be rotatably supported around the outer circumferential surface of the inner tube, the at least one lens being configured to be translated along the optical axis direction accompanied by the rotation of the cam ring, a plurality of cams provided on the inner circumferential surface of the cam ring, a plurality of cam followers provided on a lens frame supporting each of the at least one lens, each of the plurality of cam followers being engaged with a corresponding one of the plurality of cams through an opening provided on the inner tube, and a plurality of first protrusions, each of which is formed integrally with a corresponding one of the plurality of cams, and has contact with the outer circumferential surface of the inner tube.
    Type: Grant
    Filed: October 27, 2005
    Date of Patent: August 8, 2006
    Assignee: PENTAX Corporation
    Inventors: Takuji Hamasaki, Tomoaki Kobayashi
  • Publication number: 20060103954
    Abstract: A lens body tube includes a main tube, at least one lens configured movable along the optical axis direction of the lens body tube in the main tube, a first ring configured to be rotated for a zooming operation, the first ring being disposed around the outer circumference of the main tube, a second ring configured to be rotated for a focusing operation, the second ring being disposed around the outer circumference of the main tube, a third ring configured to be rotated by the first ring, the third ring being disposed inside the main tube, a fourth ring configured to be translated along the optical axis direction by rotation of the third ring, the fourth ring being disposed inside the main tube, a fifth ring configured to be rotated by the second ring, and at least one lens frame, of the at least one lens, supported by the fifth ring. The fifth ring is screwed together with the fourth ring.
    Type: Application
    Filed: November 15, 2005
    Publication date: May 18, 2006
    Applicant: PENTAX Corporation
    Inventors: Takuji Hamasaki, Tomoaki Kobayashi
  • Publication number: 20060092530
    Abstract: A lens body tube configured to support at least one lens inside an inner tube such that the at least one lens can be translated along the optical axis direction of the lens body tube includes a cam ring configured to be rotatably supported around the outer circumferential surface of the inner tube, the at least one lens being configured to be translated along the optical axis direction accompanied by the rotation of the cam ring, a plurality of cams provided on the inner circumferential surface of the cam ring, and a plurality of cam followers provided on a lens frame supporting each of the at least one lens. Each of the plurality of cam followers is engaged with a corresponding one of the plurality of cams. The plurality of cams includes at least two protruded cams. The at least two protruded cams are connected with a part of each other.
    Type: Application
    Filed: October 27, 2005
    Publication date: May 4, 2006
    Applicant: PENTAX Corporation
    Inventor: Tomoaki Kobayashi