Patents Assigned to Nippon Yakin Kogyo Co., Ltd.
  • Patent number: 7515395
    Abstract: There is provided a casing material for a storage cell having sufficient corrosion resistance and strength even under a charging environment of a high voltage exceeding 2.8 V. This casing material for the storage cell comprises C: not more than 0.03 mass %, Si: 0.01-0.50 mass %, Mn: not more than 0.20 mass %, P: not more than 0.04 mass %, S: not more than 0.0010 mass %, Ni: 20.0-40.0 mass %, Cr: 20.0-30.0 mass %, Mo: 5.0-10.0 mass %, Al: 0.001-0.10 mass %, N: 0.10-0.50 mass %, Ca: not more than 0.001 mass %, Mg: 0.0001-0.0050 mass %, 0: not more than 0.005 mass %, provided that contents of Cr, Mo and N satisfy Cr+3.3×Mo+20×N?43, and the balance being substantially Fe and inevitable impurities, in which a content of CaO as an oxide inclusion in steel is not more than 20 mass %.
    Type: Grant
    Filed: December 15, 2004
    Date of Patent: April 7, 2009
    Assignees: Panasonic Corporation, Nippon Yakin Kogyo Co., Ltd.
    Inventors: Koichi Morikawa, Masashige Ashizaki, Eri Hirose, Yutaka Kobayashi
  • Patent number: 7435307
    Abstract: A Fe—Ni based permalloy comprises Ni: 30-85 wt %, C: not more than 0.015 wt %, Si: not more than 1.0 wt %, Nin: not more than 1.0 wt %, P: not more than 0.01 wt %, S: not more than 0.005 wt %, O: not more than 0.0060 wt %, Al: not more than 0.02 wt % and, if necessary, not more than 15 wt % of at least one selected from the group consisting of Mo, Cu, Co and Nb within a range of not more than 20 wt % in total.
    Type: Grant
    Filed: July 20, 2005
    Date of Patent: October 14, 2008
    Assignee: Nippon Yakin Kogyo Co., Ltd
    Inventors: Tatsuya Itoh, Tsutomu Omori
  • Patent number: 7419634
    Abstract: A Fe—Ni based permalloy comprises Ni: 30-85 wt %, C: not more than 0.015 wt %, Si: not more than 1.0 wt %, Mn: not more than 1.0 wt %, P: not more than 0.01 wt %, S: not more than 0.005 wt %, O: not more than 0.0060 wt %, Al: not more than 0.02 wt % and, if necessary, not more than 15 wt % of at least one selected from the group consisting of Mo, Cu, Co and Nb within a range of not more than 20 wt % in total.
    Type: Grant
    Filed: October 10, 2006
    Date of Patent: September 2, 2008
    Assignee: Nippon Yakin Kogyo Co., Ltd.
    Inventors: Tatsuya Itoh, Tsutomu Omori
  • Publication number: 20070089809
    Abstract: A Fe—Ni based permalloy comprises Ni: 30-85 wt %, C: not more than 0.015 wt %, Si: not more than 1.0 wt %, Mn: not more than 1.0 wt %, P: not more than 0.01 wt %, S: not more than 0.005 wt %, O: not more than 0060 wt %, Al: not more than 0.02 wt % and, if necessary, not more than 15 wt % of at least one selected from the group consisting of Mo, Cu, Co and Nb within a range of not more than 20 wt % in total.
    Type: Application
    Filed: October 10, 2006
    Publication date: April 26, 2007
    Applicant: Nippon Yakin Kogyo Co., Ltd
    Inventors: Tatsuya Itoh, Tsutomu Omori
  • Patent number: 7014721
    Abstract: The invention is a Fe—Ni alloy material comprising Ni: 26–37 wt %, Si: 0.001–0.2 wt %, Mn: 0.01–0.6 wt %, Al: 0.0001–0.003 wt %, Mg: not more than 0.001 wt %, Ca: not more than 0.001 wt % and the reminder being Fe and inevitable impurities, and containing not more than 0.02 wt % of one or more MnO—SiO2—Al2O3 inclusion, SiO2 inclusion and MgO—Al2O3 inclusion insoluble in an aqueous solution of ferric chloride, and is to provide electronic materials for shadow mask and the like having a good hole shape in an etching treatment and a high quality.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: March 21, 2006
    Assignee: Nippon Yakin Kogyo Co., Ltd.
    Inventors: Natsuki Shiga, Hidekazu Todoroki
  • Publication number: 20050252577
    Abstract: A Fe—Ni based permalloy comprises Ni: 30-85 wt %, C: not more than 0.015 wt %, Si: not more than 1.0 wt %, Nin: not more than 1.0 wt %, P: not more than 0.01 wt %, S: not more than 0.005 wt %, O: not more than 0.0060 wt %, Al: not more than 0.02 wt % and, if necessary, not more than 15 wt % of at least one selected from the group consisting of Mo, Cu, Co and Nb within a range of not more than 20 wt % in total.
    Type: Application
    Filed: July 20, 2005
    Publication date: November 17, 2005
    Applicant: Nippon Yakin Kogyo Co., Ltd.
    Inventors: Tatsuya Itoh, Tsutomu Omori
  • Patent number: 6656419
    Abstract: A Fe—Ni based permalloy comprises Ni: 30-85 wt %, C: not more than 0.015 wt %, Si: not more than 1.0 wt %, Mn: not more than 1.0 wt %, P: not more than 0.01 wt %, S: not more than 0.005 wt %, O: not more than 0.0060 wt %, Al: not more than 0.02 wt % and, if necessary, not more than 15 wt % of at least one selected from the group consisting of Mo, Cu, Co and Nb within a range of not more than 20 wt % in total.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: December 2, 2003
    Assignee: Nippon Yakin Kogyo Co., Ltd.
    Inventors: Tatsuya Itoh, Tsutomu Omori
  • Publication number: 20030205296
    Abstract: A Fe—Ni based permalloy comprises Ni: 30-85 wt %, C: not more than 0.015 wt %, Si: not more than 1.0 wt %, Mn: not more than 1.0 wt %, P: not more than 0.01 wt %, S: not more than 0.005 wt %, O: not more than 0.0060 wt %, Al: not more than 0.02 wt % and, if necessary, not more than 15 wt % of at least one selected from the group consisting of Mo, Cu, Co and Nb within a range of not more than 20 wt % in total.
    Type: Application
    Filed: April 29, 2003
    Publication date: November 6, 2003
    Applicant: Nippon Yakin Kogyo Co., Ltd.
    Inventors: Tatsuya Itoh, Tsutomu Omori
  • Patent number: 6632298
    Abstract: The present invention aims at providing a sophisticated segregation reducing technique which a conventional technique cannot achieve by finding the relationship between the casting structure and the segregation of components at the time of solidification and the heat treatment conditions. That is, the present invention aims at providing material for shadow masks which exhibits excellent quality with respect to streaks. A material for a shadow mask of the present invention is formed of a casting slab for preparing the shadow mask which comprises an Ni—Fe alloy containing 30 to 45% of Ni. The casting slab has a cast structure comprising a columnar crystal and/or a chill crystal in an amount of 99% or more. In particular, it is preferred that the casting slab contains no equiaxed crystal.
    Type: Grant
    Filed: February 26, 2002
    Date of Patent: October 14, 2003
    Assignees: Toyo Kohan Co., Ltd., Nippon Yakin Kogyo Co., Ltd.
    Inventors: Syun-ichi Morita, Taizo Sato, Jun Agari, Tsutomu Omori, Tatsuya Itoh, Shigeru Hirata
  • Patent number: 6547893
    Abstract: It is a Fe—Ni based shadow mask material of Fe—Ni alloy or Fe—Ni—Co alloy used as a material for a color television cathode tube or the like, and relates to a material wherein the material has a texture that an X-ray intensity ratio Ir of cubic orientation (100)<001> to twinning orientation (221)<212> thereof in a (111) pole figure is a range of 0.5-5:1 and segregation of Ni, Mn or the like is less, and a section cleanness defined according to JIS G0555 is made to be not more than 0.05% to reduce the occurrence of streak or mottling in the etching.
    Type: Grant
    Filed: December 4, 2001
    Date of Patent: April 15, 2003
    Assignee: Nippon Yakin Kogyo Co., Ltd.
    Inventors: Tatsuya Itoh, Tsutomu Omori
  • Publication number: 20020068007
    Abstract: A Fe—Ni based permalloy comprises Ni: 30-85 wt %, C: not more than 0.015 wt %, Si: not more than 1.0 wt %, Mn: not more than 1.0 wt %, P: not more than 0.01 wt %, S: not more than 0.005 wt %, O: not more than 0.0060 wt %, Al: not more than 0.02 wt % and, if necessary, not more than 15 wt % of at least one selected from the group consisting of Mo, Cu, Co and Nb within a range of not more than 20 wt % in total.
    Type: Application
    Filed: September 25, 2001
    Publication date: June 6, 2002
    Applicant: Nippon Yakin Kogyo Co., Ltd.
    Inventors: Tatsuya Itoh, Tsutomu Omori
  • Patent number: 5858129
    Abstract: Disclosed is an austenite stainless steel comprising: no more than 0.05% by weight of C; no more than 0.25% by weight of Si; no more than 0.40% by weight of Mn; no more than 0.040% by weight of P; no more than 0.003% by weight of S; 30.0 to 40.0% by weight of Ni; 20.0 to 26.0% by weight of Cr; 5.0 to 8.0% by weight of Mo; no more than 0.1% by weight of Al; 0.001 to 0.010% by weight of B; 0.15 to 0.30% by weight of N; and balance of Fe and inevitable impurity. The austenite stainless steel satisfying formula (1) and (2) mentioned below (wherein "Cr", "Mo", "N", "Si" and "Mn" mean content of each element).Cr+3.3Mo+20N.gtoreq.
    Type: Grant
    Filed: July 30, 1997
    Date of Patent: January 12, 1999
    Assignee: Nippon Yakin Kogyo Co., Ltd.
    Inventors: Yutaka Kobayashi, Takeya Toge, Yoshito Fujiwara
  • Patent number: 5745971
    Abstract: A method of manufacturing a pulp molding die, by providing a superplastic material plate having a plurality of preformed through-holes, closing the plurality of preformed through-holes, heating the superplastic material plate under a pressurized atmosphere, forming the plate into a desired shape, and uncovering the plurality of preformed through-holes of the plate, thereby forming the pulp molding die.
    Type: Grant
    Filed: April 8, 1996
    Date of Patent: May 5, 1998
    Assignees: Nippon Paper Industries Co., Ltd., Nippon Yakin Kogyo Co., Ltd.
    Inventors: Okimasa Ohsawa, Kuniaki Osada, Nobuyoshi Okato, Tatsuo Katagiri
  • Patent number: 5686044
    Abstract: An austenitic stainless steel for press forming has considerably excellent deep drawability and bulging property as compared with those of the conventional one, which comprises C: 0.01-0.10 wt %, Si: not more than 1.0 wt %, Mn: not more than 3.0 wt %, Ni: 6.0-10.0 wt %, Cr: 15.0-19.0 wt %, Cu: 1.0-4.0 wt %, Al: 0.2-2.5 wt %, N: not more than 0.05 wt %, and if necessary, Mo: 0.03-3.0 wt % and B: 0.0010-0.020 wt %, and is adjusted to satisfy anyone of Ni equivalent: 21.0-23.0, crystal grain size number (N) of not less than 8, cleanness of 0.020%, low Si content and (C+N) amount .gtoreq.0.04.
    Type: Grant
    Filed: March 25, 1996
    Date of Patent: November 11, 1997
    Assignee: Nippon Yakin Kogyo Co., Ltd.
    Inventors: Yuji Ikegami, Qinzhong Zhang
  • Patent number: 5672315
    Abstract: A superplastic dual-phase stainless steel comprises C: not more than 0.05 wt %, Si: not more than 1.5 wt %, Mn: not more than 3.0 wt %, Cr: 17.0-26.0 wt %, Ni: 3.0-10.0 wt %, Mo: 0.1-2.0 wt %, N: 0.08-0.20 wt %, S: not more than 0.002 wt %, B: 0.0005-0.01 wt % and the remainder being Fe and inevitable impurities and has a low deformation resistance and an excellent elongation.
    Type: Grant
    Filed: November 3, 1995
    Date of Patent: September 30, 1997
    Assignee: Nippon Yakin Kogyo Co., Ltd.
    Inventors: Nobuyoshi Okato, Hiroshi Yoshida, Nobuya Koide
  • Patent number: 5614149
    Abstract: Coins, particularly game coins, which are soft and excellent in workability before the coining work and high in hardness and exhibit weak magnetism after the coining work are provided. The stainless steel for coins comprises C: not more than 0.03 wt %, Si: 0.1-1.0 wt %, Mn: 0.1-4 wt %, Ni: 5-15 wt %, Cr: 12-20 wt %, N: not more than 0.03 wt %, O: not more than 50 ppm, and, if necessary, at least one of Cu: 0.5-3.0 wt % and Mo: 0.1-2.0 wt % and austenite stabilization index M value of 20.0-23.0 and ferrite formation ratio F value of not more than 6. A method of producing coins of stainless steel is also provided which comprises subjecting a starting material of such a stainless steel to a cold rolling of 50%, heat-treating at 900.degree.-1100.degree. C. and subjecting to coining work of 15-25%.
    Type: Grant
    Filed: March 3, 1995
    Date of Patent: March 25, 1997
    Assignees: Nippon Yakin Kogyo Co., Ltd., Asahi Seiko Co., Ltd.
    Inventors: Hiroshi Abe, Toshihiko Taniuchi, Masaomi Tsuda, Yoshito Fujiwara
  • Patent number: 5593646
    Abstract: A metal carrier and a production method thereof for carrying an exhaust gas cleaning catalyst for automobiles, autobicycles, and industrial equipment. The metal carrier includes a metal honeycomb core body pressed into a metal outer cylinder, and the joined portion of the a flat plate and a corrugated plate forming the metal honeycomb core body includes a solder material coated in spots or stripes at peaks of corrugation of the corrugated plate. The solder material in the joined portion of the flat plate and the corrugated plate has a thickness of less than 100 .mu.m, the positions of the joined portions are different between the surface and backside of the flat plate and corrugated plate, and the joined portions are present through an unjoined area having a length of more than 5% of the length of the metal honeycomb core body from an end face of the metal honeycomb core body at the exhaust gas inlet side.
    Type: Grant
    Filed: February 3, 1995
    Date of Patent: January 14, 1997
    Assignee: Nippon Yakin Kogyo Co., Ltd.
    Inventors: Yoshikazu Koshiba, Yasuhide Kuroda, Yukio Aoki, Tsuyoshi Minakata, Masaru Iizuka
  • Patent number: 5557847
    Abstract: A method for producing a metal catalyst carrier for cleaning automobile exhaust gases is disclosed. A core having a honeycomb cross-section is inserted into an outer cylinder having an inner diameter nearly equal to that of the outer diameter of the core, by expanding one end of the outer cylinder, pressing the core into the expanded cylinder and heating the assembly to restore the shape of the expanded end. Alternatively, the core is formed by winding a foil solder around its periphery and then contracting and inserting the core into the outer cylinder.
    Type: Grant
    Filed: April 21, 1995
    Date of Patent: September 24, 1996
    Assignee: Nippon Yakin Kogyo Co., Ltd.
    Inventors: Yoshikazu Koshiba, Yukio Aoki, Tsuyoshi Minakata, Michio Inamura, Tomohiro Yasunaga, Fujiya Imoto, Junichi Nakagawa
  • Patent number: 5532460
    Abstract: An electromagnetic cooking container includes a non-magnetic titanium alloy plate having a specific resistivity not less than 80.times.10.sup.-6 .OMEGA..multidot.cm and not more than 200.times.10.sup.-6 .OMEGA..multidot.cm. The titanium alloy plate includes a titanium alloy layer, a plurality of laminated titanium alloy layers, or a plurality of kinds of titanium alloy layers. The titanium alloy plate is formed into the desired shape by a superplastic blow forming method in which the titanium alloy plate is forced on a surface of a mold or die by a gas pressure at a forming temperature not less than 500.degree. C. The container may further include a titanium oxide film formed on an inner cooking surface of the formed titanium alloy plate. Heat generation by electromagnetic induction is enabled and there are no problems of deformation, rust, or weight addition.
    Type: Grant
    Filed: February 14, 1995
    Date of Patent: July 2, 1996
    Assignee: Nippon Yakin Kogyo Co., Ltd.
    Inventors: Nobuyoshi Okato, Tatsuo Katagiri, Kuniaki Osada, Keiji Shirakawa
  • Patent number: 5512239
    Abstract: A ferritic stainless steel comprises C: not more than 0.025 wt %, Si: not more than 0.10 wt %, Mn: not more than 1.0 wt %, Cr: 17.0-25.0 wt %, Ni: not more than 0.50 wt %, Mo: 0.50-2.00 wt %, Al: not more than 0.025 wt %, N: not more than 0.025 wt %, at least one of Nb: 10(C wt %+N wt %)-1.0 wt % and Ti: 10(C wt %+N wt %)-1.0 wt %, and the balance being substantially Fe and inevitable impurities and is effectively used in various heat exchangers.
    Type: Grant
    Filed: April 18, 1995
    Date of Patent: April 30, 1996
    Assignees: Tokyo Radiator Mfg. Co., Ltd, Nippon Yakin Kogyo Co. Ltd., Nissan Motor Co., Ltd.
    Inventors: Yoshito Fujiwara, Yutaka Kobayashi, Mituo Kimura, Masatoshi Iio, Tohsaku Takamura