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Shintani Kazumasa, Murakami Ryo, Yamamoto Kazuhiko: (Ja) 希土類焼結磁石用合金鋳片の製造法、希土類焼結磁石用合金鋳片及び希土類焼結磁石, (En) Process for producing alloy slab for rare-earth sintered magnet, alloy slab for rare-earth sintered magnet and rare-earth sintered magnet. Santoku Corporation, Shintani Kazumasa, Murakami Ryo, Yamamoto Kazuhiko, SAKAI Hajime, October 13, 2005: WO/2005/095024 (3 worldwide citation)

(EN) A process for producing an alloy slab for rare-earth sintered magnet, in which homogenization of R-rich region and 2-14-1 phase dendrite spacings, sizes, orientations, shapes, etc. can be attained with the generation of chill crystal suppressed, which alloy slab facilitates pulverization into u ...


2
Koura Nobuyuki, Ehira Atsushi, Murakami Ryo, Ui Koichi, Yatsushiro Takashi: (Ja) ナノカーボン/アルミニウム複合材、その製造方法及びこれに用いるめっき液, (En) Nanocarbon/aluminum composite material, process for producing the same, and plating liquid for use in said process. Nissan Motor, Koura Nobuyuki, Ehira Atsushi, Murakami Ryo, Ui Koichi, Yatsushiro Takashi, HASHIMOTO Takeshi, March 15, 2007: WO/2007/029395 (1 worldwide citation)

(EN) [PROBLEMS] To provide a nanocarbon/aluminum composite material having both high strength and electrical conductivity, which is suitable for use in lead wires, heat exchangers, and automobile components, and a process for producing the same. [MEANS FOR SOLVING PROBLEMS] A plating liquid for nano ...


3
Yamamoto Kazuhiko, Murakami Ryo, Fuke Akitoshi, Abe Hiroshi: (Ja) 永久磁石及びその製造方法, (En) Permanent magnet and process for producing the same. Santoku Corporation, Yamamoto Kazuhiko, Murakami Ryo, Fuke Akitoshi, Abe Hiroshi, SAKAI Hajime, February 12, 2004: WO/2004/013872

(EN) A permanent magnet of rare earth-iron-boron plastic deformation alloy wherein contained crystal grains have a specified average grain diameter and which has extremely low oxygen and carbon contents and is excellent in magnetic properties; and a process for producing the same. This permanent mag ...


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Yamamoto Kazuhiko, Murakami Ryo, Fuke Akitoshi, Abe Hiroshi: (Ja) 希土類−鉄−ボロン系磁石の製造方法, (En) Process for producing rare earth-iron-boron magnet. Santoku Corporation, Yamamoto Kazuhiko, Murakami Ryo, Fuke Akitoshi, Abe Hiroshi, SAKAI Hajime, February 12, 2004: WO/2004/013873

(EN) A process for producing a permanent magnet whereby a rare earth-iron-boron permanent magnet or bond magnet being excellent in magnetic characteristics can be easily obtained in high yield without process complication by the utilization of shear plastic deformation not having been employed in th ...


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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 ...


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Murakami Ryo: Powder for permanent magnet, method for its production and anisotropic permanent magnet made using said powder. Santoku Metal, Murakami Ryo, SUMIDA Yoshihiro, May 14, 1998: WO/1998/020507

A base material is needle-like fine particles of Fe or an Fe alloy containing Co. A hard magnetic layer containing Fe, Sm and N is provided on the surface of the needle-like fine particles and a separation layer made of an oxide of a rare earth element is provided outside the hard magnetic layer.


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YUGE Kentaro, MURAKAMI Ryo: 分割ステータコア, NOYAU DE STATOR DIVISÉ, SPLIT STATOR CORE. Nissan Motor, YUGE Kentaro, MURAKAMI Ryo, GOTO Masaki, January 10, 2013: WO/2013/005537

A split stator core of the present invention comprises: a core segment where a plurality of magnetic steel sheets are laminated; a first insulation member which comes into close contact with a side surface of a teeth portion of the core segment; a second insulation member disposed at an edge of the ...