11
Oyama Hitoshi, Nishioka Takao, Matsunuma Kenji, Takigawa Takatoshi, Kaji Toshihiko, Kawabe Nozomi, Sogabe Koichi: Opening/closing mechanism of valve for internal combustion engine. Sumitomo Electric, February 6, 2002: JP2002-038912 (2 worldwide citation)

PROBLEM TO BE SOLVED: To attain lightening of weight and improvement of mechanical strength of a retainer for an opening/closing mechanism of intake/exhaust valve driven by an electromagnetic actuator used in an internal combustion engine for an automobile.SOLUTION: An electromagnetic actuator 4 is ...


12
Kawabe Nozomi, Izumida Hiroshi: Steel wire for spring, its producing method and spring. Sumitomo Electric, September 14, 2001: JP2001-247934 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide a steel wire for a spring excellent in productivity by the reduction of patenting time, further excellent in high temperature softening resistance and also excellent in fatigue characteristics and corrosion resistance, to provide its producing method and to provide a ...


13
Okuda Nobuyuki, Inoue Ryuichi, Numano Masasada, Mori Nobuyuki, Oishi Yukihiro, Kawabe Nozomi: Magnesium alloy member. Sumitomo Electric, June 4, 2009: JP2009-120877 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide a magnesium alloy member having high metallic texture.SOLUTION: The magnesium alloy member comprises a base material consisting of a magnesium alloy, and a covering layer formed on the base material. The base material has a surface worked part with very fine unevenne ...


14
Shimizu Kenichi, Kawabe Nozomi: Magnesium alloy sheet and its production method. Sumitomo Electric, January 19, 2006: JP2006-016656 (1 worldwide citation)

PROBLEM TO BE SOLVED: To provide a magnesium alloy sheet having high strength and excellent cold bending workability, and to provide a method for producing the magnesium alloy sheet.SOLUTION: The magnesium alloy sheet is obtained by subjecting a base metal sheet having an alloy composition selected ...


15
Oishi Yukihiro, Kawabe Nozomi: Rolled wire rod of magnesium based alloy, and production method therefor. Sumitomo Denko Steel Wire, April 22, 2004: JP2004-124154 (1 worldwide citation)

PROBLEM TO BE SOLVED: To provide a production method for a long-length rolled wire rod of a magnesium based alloy provided with excellent strength and toughness.SOLUTION: The production method is provided with a stage where a magnesium based alloy stock comprising, by weight, 1.0 to 10.0% Zn is prep ...


16
Izumida Hiroshi, Kawabe Nozomi, Yamao Norito, Murai Teruyuki: Steel wire and production method therefor, and spring. Sumitomo Denko Steel Wire, October 31, 2003: JP2003-306747 (1 worldwide citation)

PROBLEM TO BE SOLVED: To provide a steel wire which has high strength and high toughness and has a high fatigue limit, and to provide a production method therefor.SOLUTION: The steel wire comprises as chemical components, by mass, 0.4 to 1.0% C, 1.8 to 2.5% Si, 0.4 to 1.3% Mn, 0.7 to 1.2% Cr and 0.0 ...


17
Izumida Hiroshi, Kawabe Nozomi, Fujino Yoshiro, Murai Teruyuki, Takamura Nobue: Stainless steel wire, spring, and method of producing the spring. Sumitomo Denko Steel Wire, May 26, 2005: JP2005-133137 (1 worldwide citation)

PROBLEM TO BE SOLVED: To provide stainless steel wire which combines excellent corrosion resistance and fatigue strength, and can be produced with high productivity.SOLUTION: The stainless steel wire has a composition comprising, by mass, 0.01 to 0.25% C, 0.01 to 0.25% N, 0.4 to 4.0% Mn, 16 to 25% C ...


18
Oishi Yukihiro, Kawabe Nozomi: Method and apparatus for wiredrawing magnesium based alloy. Sumitomo Denko Steel Wire, July 2, 2004: JP2004-181501 (1 worldwide citation)

PROBLEM TO BE SOLVED: To provide a method for wiredrawing a magnesium based alloy by which a magnesium based alloy wire excellent in strength and toughness is obtained.SOLUTION: The method for wiredrawing the magnesium based alloy is provided in which the wiredrawing having a plurality of passes is ...


19
Fujino Yoshiro, Kawabe Nozomi, Yamao Norito, Izumida Hiroshi, Murai Teruyuki: Steel wire for spring. Sumitomo Denko Steel Wire, July 8, 2004: JP2004-190116 (1 worldwide citation)

PROBLEM TO BE SOLVED: To provide a steel wire for a spring whose fatigue properties can be improved by allowing the steel wire to have both strength and toughness in a well balance.SOLUTION: The steel wire for a spring contains, by mass, 0.55 to 0.75% C, 1.80 to 2.70% Si, 0.1 to 0.7% Mn and 0.70 to ...


20
Oishi Yukihiro, Kawabe Nozomi: Magnesium alloy wrought material. Sumitomo Electric, January 19, 2006: JP2006-016655 (1 worldwide citation)

PROBLEM TO BE SOLVED: To provide a method for manufacturing a magnesium alloy wrought material having a superior balance between high strength and high toughness; the magnesium alloy wrought material having superior strength and toughness; and a pipe made of a magnesium alloy.SOLUTION: The magnesium ...