Patents by Inventor Hayato Kita

Hayato Kita 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: 9979004
    Abstract: The clad material comprises outer layers each consisting of Ni or Ni alloy and a base layer consisting of Cu or Cu alloy, and is characterized in that peeling-off at a clad boundary is not recognized in cross section observation made after the clad material has been subjected to a 90° reverse bend test ten times, and the number of reverse bend cycles before rupture is 17 cycles or more. The clad material has with both of excellent corrosion resistance against electrolytic solution and high electric conductivity.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: May 22, 2018
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Kentarou Yoshida, Daisaku Arizono, Syuji Yoshida, Hayato Kita, Kouichi Takeuchi, Masayuki Shibuya, Hideya Kaminaka
  • Patent number: 9487882
    Abstract: Disclosed are a titanium material having excellent surface characteristics and a method for readily producing a titanium material having excellent surface characteristics. More specifically, provided is a titanium material including a surface film having a multilayer structure provided with at least two layers, namely a surface layer and an inner layer in contact with the inner side of the surface layer, wherein the surface layer is formed of titanium oxide with a hardness of 5 GPa to 20 GPa, and the inner layer contains at least one of titanium carbide and titanium nitride.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: November 8, 2016
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Hayato Kita, Futoshi Katsuki
  • Patent number: 9243314
    Abstract: A high-Si content austenitic stainless steel, which exhibits stable acid resistance and excellent corrosion resistance in high-temperature and concentrated nitric acid, has a chemical composition comprising: C: at most 0.04%; Si: 2.5-7.0%; Mn: at most 10%; P at most 0.03%; S: at most 0.03%; N: at most 0.035%; sol. Al: at most 0.03%; Cr: 7-20%; Ni: 10-22%; optionally, one or more types selected from Nb, Ti, Ta and Zr: 0.05-0.7% in total; and the remainder being Fe and impurities, wherein a total amount of B1 type inclusions measured by a method according to JIS G0555 (2003) Annex 1 “Microscopic Testing for the Non-Metallic Inclusions on the Point Counting Principle” is not more than 0.03% by area %.
    Type: Grant
    Filed: July 26, 2012
    Date of Patent: January 26, 2016
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Tomoyuki Sukawa, Shinnya Yamamoto, Kouichi Takeuchi, Hayato Kita, Shuuji Yoshida, Katsuhiko Taketsu, Masayuki Shibuya
  • Publication number: 20140294659
    Abstract: A high-Si content austenitic stainless steel, which exhibits stable acid resistance and excellent corrosion resistance in high-temperature and concentrated nitric acid, has a chemical composition comprising: C: at most 0.04%; Si: 2.5-7.0%; Mn: at most 10%; P at most 0.03%; S: at most 0.03%; N: at most 0.035%; sol. Al: at most 0.03%; Cr: 7-20%; Ni: 10-22%; optionally, one or more types selected from Nb, Ti, Ta and Zr: 0.05-0.7% in total; and the remainder being Fe and impurities, wherein a total amount of B1 type inclusions measured by a method according to JIS G0555 (2003) Annex 1 “Microscopic Testing for the Non-Metallic Inclusions on the Point Counting Principle” is not more than 0.03% by area %.
    Type: Application
    Filed: July 26, 2012
    Publication date: October 2, 2014
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Tomoyuki Sukawa, Shinnya Yamamoto, Kouichi Takeuchi, Hayato Kita, Shuuji Yoshida, Katsuhiko Taketsu, Masayuki Shibuya
  • Publication number: 20140261917
    Abstract: A high Si-containing austenitic stainless steel having corrosion resistance in a nitric acid environment at a high temperature is made by hot-rolling a slab of stainless steel and heat treating the hot-rolled stainless steel at a temperature of 1100 to 1160° C. The steel is cooled at cooling rate of at least 100° C./min. The stainless steel has a chemical composition containing: C: at most 0.04%; Cr: 7 to 20%, Ni: 10 to 22%, Si: 2.5 to 7%, Mn: at most 10%, sol. Al: at most 0.03%, P: at most 0.03%, S: at most 0.03%; N: at most 0.035%, a total of one or more of Nb, Ti, Ta, and Zr being 0.05 to 0.7%; and the remainder Fe and impurities. The heating temperature during the hot rolling is Th in which ?T of Formula (1): Th=1135?90Si?2.9Cr+40 Ni??T is at least 30?C.
    Type: Application
    Filed: July 26, 2012
    Publication date: September 18, 2014
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Hayato Kita, Masayuki Shibuya, Shuuji Yoshida, Tomoyuki Sukawa
  • Publication number: 20130209874
    Abstract: The clad material comprises outer layers each consisting of Ni or Ni alloy and a base layer consisting of Cu or Cu alloy, and is characterized in that peeling-off at a clad boundary is not recognized in cross section observation made after the clad material has been subjected to a 90° reverse bend test ten times, and the number of reverse bend cycles before rupture is 17 cycles or more. The clad material has with both of excellent corrosion resistance against electrolytic solution and high electric conductivity.
    Type: Application
    Filed: June 2, 2011
    Publication date: August 15, 2013
    Applicant: Nippon Steel & Sumitomo Metal Corporation
    Inventors: Kentarou Yoshida, Daisaku Arizono, Syuji Yoshida, Hayato Kita, Kouichi Takeuchi, Masayuki Shibuya, Hideya Kaminaka
  • Patent number: 8434690
    Abstract: A two-dimensional code having a rectangular region is provided. In the rectangular region, there are a plurality of code blocks, a first specific pattern, and error-correction code blocks. Each code block is composed of a plurality of cells aggregated together and formed to have both a specified corner in the rectangular region and the plurality of code blocks arranged in the rectangular region. The specific pattern is used to specify the positions of the cells. The error-correction code blocks are contained in the code blocks and formed to correct an error. The error-correction code blocks are arranged contiguously to part of the borders of the rectangular region. The part of the borders is displaced from the first specific pattern. Compressed data code blocks are also arranged in the same way as the error-correction code blocks.
    Type: Grant
    Filed: March 16, 2009
    Date of Patent: May 7, 2013
    Assignee: Denso Wave Incorporated
    Inventors: Takao Ushijima, Hiroaki Mizukoshi, Hayato Kita
  • Patent number: 8424775
    Abstract: A two-dimensional code having a rectangular region is provided. In the rectangular region, there are code blocks composed of a plurality of cells, a first specific pattern specifying the positions of the cells, and a second specific pattern separating the code blocks from a background of the code. The first specific pattern is located at a specified corner of the rectangular region. The second specific pattern is located along one or more of first borders along which the first specific pattern is located, the first borders being part of the borders of the rectangular region. The code blocks include error-correction code blocks, which are located along second borders which are different from a border of the borders along which the second specific pattern is located. The second borders are part of the borders. Compressed data code blocks are also arranged in the same way as the error-correction code blocks.
    Type: Grant
    Filed: February 8, 2012
    Date of Patent: April 23, 2013
    Assignee: Denso Wave Incorporated
    Inventors: Hiroaki Mizukoshi, Masami Tanaka, Yuichi Ito, Hayato Kita, Takao Ushijima, Masahiro Hara
  • Patent number: 8413909
    Abstract: A two-dimensional code having a rectangular region is provided. In the rectangular region, there are code blocks composed of a plurality of cells, a first specific pattern specifying the positions of the cells, and a second specific pattern separating the code blocks from a background of the code. The first specific pattern is located at a specified corner of the rectangular region. The second specific pattern is located along one or more of first borders along which the first specific pattern is located, the first borders being part of the borders of the rectangular region. The code blocks include error-correction code blocks, which are located along second borders which are different from a border of the borders along which the second specific pattern is located. The second borders are part of the borders. Compressed data code blocks are also arranged in the same way as the error-correction code blocks.
    Type: Grant
    Filed: February 8, 2012
    Date of Patent: April 9, 2013
    Assignee: Denso Wave Incorporated
    Inventors: Hiroaki Mizukoshi, Masami Tanaka, Yuichi Ito, Hayato Kita, Takao Ushijima, Masahiro Hara
  • Patent number: 8397999
    Abstract: A two-dimensional code having a rectangular region is provided. In the rectangular region, there are code blocks composed of a plurality of cells, a first specific pattern specifying the positions of the cells, and a second specific pattern separating the code blocks from a background of the code. The first specific pattern is located at a specified corner of the rectangular region. The second specific pattern is located along one or more of first borders along which the first specific pattern is located, the first borders being part of the borders of the rectangular region. The code blocks include error-correction code blocks, which are located along second borders which are different from a border of the borders along which the second specific pattern is located. The second borders are part of the borders. Compressed data code blocks are also arranged in the same way as the error-correction code blocks.
    Type: Grant
    Filed: February 8, 2012
    Date of Patent: March 19, 2013
    Assignee: Denso Wave Incorporated
    Inventors: Hiroaki Mizukoshi, Masami Tanaka, Yuichi Ito, Hayato Kita, Takao Ushijima, Masahiro Hara
  • Patent number: 8235303
    Abstract: A two-dimensional code having a rectangular region is provided. In the rectangular region, there are code blocks composed of a plurality of cells, a first specific pattern specifying the positions of the cells, and a second specific pattern separating the code blocks from a background of the code. The first specific pattern is located at a specified corner of the rectangular region. The second specific pattern is located along one or more of first borders along which the first specific pattern is located, the first borders being part of the borders of the rectangular region. The code blocks include error-correction code blocks, which are located along second borders which are different from a border of the borders along which the second specific pattern is located. The second borders are part of the borders. Compressed data code blocks are also arranged in the same way as the error-correction code blocks.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: August 7, 2012
    Assignee: Denso Wave Incorporated
    Inventors: Hiroaki Mizukoshi, Masami Tanaka, Yuichi Ito, Hayato Kita, Takao Ushijima, Masahiro Hara
  • Publication number: 20120138695
    Abstract: A two-dimensional code having a rectangular region is provided. In the rectangular region, there are code blocks composed of a plurality of cells, a first specific pattern specifying the positions of the cells, and a second specific pattern separating the code blocks from a background of the code. The first specific pattern is located at a specified corner of the rectangular region. The second specific pattern is located along one or more of first borders along which the first specific pattern is located, the first borders being part of the borders of the rectangular region. The code blocks include error-correction code blocks, which are located along second borders which are different from a border of the borders along which the second specific pattern is located. The second borders are part of the borders. Compressed data code blocks are also arranged in the same way as the error-correction code blocks.
    Type: Application
    Filed: February 8, 2012
    Publication date: June 7, 2012
    Applicant: DENSO WAVE INCORPORATED
    Inventors: Hiroaki MIZUKOSHI, Masami TANAKA, Yuichi ITO, Hayato KITA, Takao USHIJIMA, Masahiro HARA
  • Publication number: 20120138694
    Abstract: A two-dimensional code having a rectangular region is provided. In the rectangular region, there are code blocks composed of a plurality of cells, a first specific pattern specifying the positions of the cells, and a second specific pattern separating the code blocks from a background of the code. The first specific pattern is located at a specified corner of the rectangular region. The second specific pattern is located along one or more of first borders along which the first specific pattern is located, the first borders being part of the borders of the rectangular region. The code blocks include error-correction code blocks, which are located along second borders which are different from a border of the borders along which the second specific pattern is located. The second borders are part of the borders. Compressed data code blocks are also arranged in the same way as the error-correction code blocks.
    Type: Application
    Filed: February 8, 2012
    Publication date: June 7, 2012
    Applicant: DENSO WAVE INCORPORATED
    Inventors: Hiroaki MIZUKOSHI, Masami TANAKA, Yuichi ITO, Hayato KITA, Takao USHIJIMA, Masahiro HARA
  • Publication number: 20120132721
    Abstract: A two-dimensional code having a rectangular region is provided. In the rectangular region, there are code blocks composed of a plurality of cells, a first specific pattern specifying the positions of the cells, and a second specific pattern separating the code blocks from a background of the code. The first specific pattern is located at a specified corner of the rectangular region. The second specific pattern is located along one or more of first borders along which the first specific pattern is located, the first borders being part of the borders of the rectangular region. The code blocks include error-correction code blocks, which are located along second borders which are different from a border of the borders along which the second specific pattern is located. The second borders are part of the borders. Compressed data code blocks are also arranged in the same way as the error-correction code blocks.
    Type: Application
    Filed: February 8, 2012
    Publication date: May 31, 2012
    Applicant: DENSO WAVE INCORPORATED
    Inventors: Hiroaki MIZUKOSHI, Masami TANAKA, Yuichi ITO, Hayato KITA, Takao USHIJIMA, Masahiro HARA
  • Publication number: 20110244266
    Abstract: Disclosed are a titanium material having excellent surface characteristics and a method for readily producing a titanium material having excellent surface characteristics. More specifically, provided is a titanium material including a surface film having a multilayer structure provided with at least two layers, namely a surface layer and an inner layer in contact with the inner side of the surface layer, wherein the surface layer is formed of titanium oxide with a hardness of 5 GPa to 20 GPa, and the inner layer contains at least one of titanium carbide and titanium nitride.
    Type: Application
    Filed: December 17, 2008
    Publication date: October 6, 2011
    Applicant: Sumitomo Metal Industries, Ltd.
    Inventors: Hayato Kita, Futoshi Katsuki
  • Publication number: 20090242649
    Abstract: A two-dimensional code having a rectangular region is provided. In the rectangular region, there are code blocks composed of a plurality of cells, a first specific pattern specifying the positions of the cells, and a second specific pattern separating the code blocks from a background of the code. The first specific pattern is located at a specified corner of the rectangular region. The second specific pattern is located along one or more of first borders along which the first specific pattern is located, the first borders being part of the borders of the rectangular region. The code blocks include error-correction code blocks, which are located along second borders which are different from a border of the borders along which the second specific pattern is located. The second borders are part of the borders. Compressed data code blocks are also arranged in the same way as the error-correction code blocks.
    Type: Application
    Filed: March 26, 2009
    Publication date: October 1, 2009
    Applicant: DENSO WAVE INCORPORATED
    Inventors: Hiroaki Mizukoshi, Masami Tanaka, Yuichi Ito, Hayato Kita, Takao Ushijima, Masahiro Hara
  • Publication number: 20090242650
    Abstract: A two-dimensional code having a rectangular region is provided. In the rectangular region, there are a plurality of code blocks, a first specific pattern, and error-correction code blocks. Each code block is composed of a plurality of cells aggregated together and formed to have both a specified corner in the rectangular region and the plurality of code blocks arranged in the rectangular region. The specific pattern is used to specify the positions of the cells. The error-correction code blocks are contained in the code blocks and formed to correct an error. The error-correction code blocks are arranged contiguously to part of the borders of the rectangular region. The part of the borders is displaced from the first specific pattern. Compressed data code blocks are also arranged in the same way as the error-correction code blocks.
    Type: Application
    Filed: March 16, 2009
    Publication date: October 1, 2009
    Applicant: DENSO WAVE INCORPORATED
    Inventors: Takao USHIJIMA, Hiroaki MIZUKOSHI, Hayato KITA
  • Patent number: 6423160
    Abstract: A stainless steel plate for a shadow mask, comprising 9 to 20 weight % of chromium (Cr), 0.15 weight % or less of carbon (C), 0 to 1.0 weight % of manganese (Mn), 0 to 0.2 weight % of titanium (Ti), 0 to 1.0 weight % of silica (Si), and 0 to 1.0 weight % of aluminum (Al); wherein the rest includes ferrite (Fe) and inevitable impurities, and in the inevitable impurities, the content of phosphor (P) is 0.05 weight % or less and the content of sulfur (S) is 0.03 weight % or less. Furthermore, the metal plate for a shadow mask after cold rolling or shape correction is performed is subjected to annealing treatment at the end-point temperature of the plate of 550 to 650° C. This steel plate has a coefficient of thermal expansion smaller than that of low carbon steel and is less expansive than invar alloy. Further, the steel plate has high strength that is acceptable for the shadow mask that is used under conditions where plastic deformation is small at high temperature and high tension is applied.
    Type: Grant
    Filed: January 4, 2001
    Date of Patent: July 23, 2002
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Nozomu Arimoto, Hayato Kita, Masahiro Aoki, Shinji Tsuge, Kazuhiko Adachi
  • Patent number: 6274027
    Abstract: A method of descaling titanium material including the steps of immersing titanium material having oxide scale on a surface thereof in a fused alkaline salt bath in accordance with needs; subjecting the titanium material to anodic electrolysis or alternate electrolysis in an electrolyte solution so as to dissolve the oxide scale; and subjecting the titanium material to acid pickling so as to remove remaining oxide scale or oxide film generated in the electrolysis.
    Type: Grant
    Filed: July 6, 1999
    Date of Patent: August 14, 2001
    Assignee: Sumitomo Metal Industries, LTD
    Inventors: Shigeru Kiya, Takashi Shibata, Shingo Iwasaki, Hayato Kita, Masanori Takahashi