1
Kanekiyo Hirokazu, Hirosawa Satoshi: Method of manufacturing thin plate magnet having microcrystalline structure. Sumitomo Special Metals, Kanekiyo Hirokazu, Hirosawa Satoshi, OSHIDA Yoshihisa, August 13, 1998: WO/1998/035364

A method of manufacturing an Nd-Fe-B microcrystalline permanent magnet which contains a low concentration of rare-earth elements, in which a soft magnetic phase and a hard magnetic phase are intermixed, which has, after cast, an inherent coercive force iHc of not less than 2.5 kOe and a residual flu ...


2
Miyoshi Toshio, Kanekiyo Hirokazu: Nanocomposite magnet and method for producing the same. Neomax, Miyoshi Toshio, Kanekiyo Hirokazu, OKUDA Seiji, April 29, 2004: WO/2004/036602

A nanocomposite magnet represented by the general formula: (Fe¿1-m?T¿M?)¿100-x-y-z-w-n?(B¿1-p?C¿p?)¿x?R¿y?Ti¿z?V¿w?M¿n?,where T is Co and/or Ni; R is a rare-earth element; M is at least one element selected from Al, Si, Cr, Mn, Cu, Zn, Ga, Nb, Zr, Mo, Ag, Ta and W; and x, y, z, w, n, m and p satisfy ...


3
Miyoshi Toshio, Kanekiyo Hirokazu, Hirosawa Satoshi: Method for producing nanocomposite magnet using atomizing method. Sumitomo Special Metals, Miyoshi Toshio, Kanekiyo Hirokazu, Hirosawa Satoshi, OKUDA Seiji, February 13, 2003: WO/2003/012802

A method for producing an iron base rare earth alloy nanocomposite magnet powder, which comprises quenching by the atomizing method a molten alloy having the empirical formula represented by (Fe1−mTm)100−x−y−zQxRyTizMn , wherein T represents one or more elements selected from the group consisting of ...


4
Nishiuchi Takeshi, Kanekiyo Hirokazu, Hirosawa Satoshi, Miyoshi Toshio: Compound for rare earth element based bonded magnet and bonded magnet using the same. Sumitomo Special Metals, Nishiuchi Takeshi, Kanekiyo Hirokazu, Hirosawa Satoshi, Miyoshi Toshio, OKUDA Seiji, May 30, 2003: WO/2003/044811

A compound for a rare earth element based bonded magnet containing a rare earth element powder and a binding agent, characterized in that the rare earth element powder comprises, in an amount of 2 mass % or more, Ti−containing nanocomposite magnet powdery particles which have a composition represent ...


5
Kanekiyo Hirokazu, Miyoshi Toshio, Hirosawa Satoshi: Nanocomposite magnet. Sumitomo Special Metals, Kanekiyo Hirokazu, Miyoshi Toshio, Hirosawa Satoshi, OKUDA Seiji, May 30, 2003: WO/2003/044812

A nanocomposite magnet has a composition represented by (Fe1-mTm) 100-x-y-z-n QxRyTizMn, where T is at least one of Co and Ni, Q is at least one of B and C, R is at least one rare earth element that always includes at least one of Nd and Pr and optionally includes Dy and/or Tb, and M is at least one ...


6
Kanekiyo Hirokazu, Hirosawa Satoshi: Method of making material alloy for iron-based rare earth magnet. Sumitomo Special Metals, Kanekiyo Hirokazu, Hirosawa Satoshi, OKUDA Seiji, August 29, 2002: WO/2002/067275

A melt of an iron-based rare earth material alloy, represented by (Fe?1-m#191T?m#191)?100-x-y-z#191Q?x#191R?y#191M?z#191, is prepared. T is Co and/or Ni; Q is B and/or C; R is selected from Y (yttrium) and the rare earth elements; M is selected from Al, Si, Ti, V, Cr, Mn, Cu, Zn, Ga, Zr, Nb, Mo, Ag, ...


7
Murakami Ryo, Kanekiyo Hirokazu, Hirosawa Satoshi: Process for producing, through strip casting, raw alloy for nanocomposite type permanent magnet. Santoku Corporation, Sumitomo Special Metals, Murakami Ryo, Kanekiyo Hirokazu, Hirosawa Satoshi, OKUDA Seiji, April 18, 2002: WO/2002/030595

A process for efficiently producing at low cost a raw alloy for nanocomposite magnets which is mainly amorphous. The process comprises preparing a molten alloy represented by Fe¿100-x-y-z?R¿x?Q¿y?M¿z? (wherein R is at least one of praseodymium, neodymium, dysprosium, and terbium; Q is at least one o ...


8
Kanekiyo Hirokazu, Kitayama Hirokazu, Hirosawa Satoshi, Miyoshi Toshio: Iron base rare earth alloy powder and compound comprising iron base rare earth alloy powder, and permanent magnet using the same. Sumitomo Special Metals, Kanekiyo Hirokazu, Kitayama Hirokazu, Hirosawa Satoshi, Miyoshi Toshio, OKUDA Seiji, August 15, 2002: WO/2002/062510

An iron base rare earth alloy powder which comprises a first iron base rare earth alloy powder having an average particle diameter of 10 $g(m)m to 70 $g(m)m and having an aspect ratio of a particle thereof of 0.4 to 1.0 and a second iron base rare earth alloy powder having an average particle diamet ...


9
Kanekiyo Hirokazu, Miyoshi Toshio, Hirosawa Satoshi: Iron-based rare earth alloy nanocomposite magnet and method for producing the same. Sumitomo Special Metals, Kanekiyo Hirokazu, Miyoshi Toshio, Hirosawa Satoshi, OKUDA Seiji, November 21, 2002: WO/2002/093591

An iron-based rare earth alloy nanocomposite magnet has a composition represented by (Fe¿1-m?T¿m?)¿100-x-y-z?Q¿x?R¿y?Ti¿z? where T is Co and/or Ni, Q is B and/or C and R is rare earth element(s) including substantially no La or Ce. x, y, z and m satisfy 10 at%


10
Kanekiyo Hirokazu, Hirosawa Satoshi: Thin plate magnet having microcrystalline structure. Sumitomo Special Metals, Kanekiyo Hirokazu, Hirosawa Satoshi, OSHIDA Yoshihisa, August 20, 1998: WO/1998/036428

A method of manufacturing an Nd-Fe-B microcrystalline permanent magnet which contains a low concentration of rare-earth elements, in which a soft magnetic phase and a hard magnetic phase are intermixed, which has, after cast, an inherent coercive force iHc of not less than 2.5 kOe and a residual flu ...