21
Kaneko Akihito: Rare earth metal-nickel hydrogen-occlusion alloy, process for producing the same, and negative electrode of nickel-hydrogen secondary battery. Santoku Metal, April 2, 1997: EP0765947-A1 (6 worldwide citation)

A rare earth metal-nickel hydrogen-occlusion alloy which has the following composition (1): RNix-yMy (wherein R represents La, Ce, Pr, Nd or a mixture thereof; M represents Co, Al, Mn, Fe, Cu, Zr, Ti, Mo, Si, V, Cr, Nb, Hf, Ta, W, B, C or a mixture thereof; and 3.5 <= x < 5 and 0 < y <= 2), in which ...


22
Yamamoto Kazuhiko, Miyake Yuichi, Okada Chikara, Kitazume Nobuyuki: Rare-earth metal-nickel hydrogen occlusive alloy ingot and method for production thereof.. Santoku Metal, November 24, 1993: EP0570957-A2 (6 worldwide citation)

A rare earth metal-nickel hydrogen occlusive alloy ingot contains 90 vol% or more of crystals having a crystal grain size of 1 to 50 mu m as measured along a short axis of the crystal and 1 to 100 mu m as measured along a long axis of the crystal. A method for producing the rare earth metal-nickel h ...


23
Akira Asada: Method for recovering reusable rare earth compounds. Santoku Metal, Keil & Weinkauf, March 17, 1998: US05728355 (5 worldwide citation)

A method for recovering reusable rare earth compounds such as rare earth oxides, rare earth fluorides, or rare earth metals from rare earth alloy scrap in an effective and safe manner. The method includes the steps of: (a) pulverizing rare earth alloy scrap at least by hydrogenating the alloy scrap ...


24
Kazuhiko Yamamoto, Yuichi Miyake, Chikara Okada: Permanent magnet containing rare earth metal, boron and iron. Santoku Metal, Keil & Weinkauf, November 25, 1997: US05690752 (4 worldwide citation)

A permanent magnet is obtained by pulverizing, molding and sintering a starting material containing an alloy ingot. The alloy ingot contains not less than 90% by volume of columnar crystals each having a columnar crystal grain size of 0.1 to 50 .mu.m along a short axis thereof and a columnar crystal ...


25
Kazuhiro Yamamoto: Method for recovering reusable elements from rare earth-iron alloy. Santoku Metal, Darby & Darby, October 5, 1999: US05961938 (4 worldwide citation)

A method for recovering rare earth elements and cobalt from a rare earth-iron alloy containing cobalt is disclosed, including the steps of:


26
Yamamoto Kazuhiko, Miyake Yuichi, Okada Chikara: Alloy ingot for permanent magnet, anisotropic powders for permanent magnet, method for producing same and permanent magnet.. Santoku Metal, August 25, 1993: EP0556751-A1 (4 worldwide citation)

An alloy ingot for permanent magnet consists essentially of rare earth metal and iron and optionally boron. The two-component alloy ingot contains 90 vol% or more of crystals having a crystal grain size along a short axis of 0.1 to 100 mu m and that along a long axis of 0.1 to 100 mu m. The three-co ...


27
Yao Shinya, Yokoi Hideo: Composite oxide having oxygen absorbing and desorbing capability. Santoku Metal, May 1, 1996: EP0709351-A1 (4 worldwide citation)

A composite oxide having oxygen absorbing and desorbing capability contains 4.99-98.99% by weight of cerium oxide, 1-95% by weight of zirconium oxide and 0.01-20% by weight of hafnium oxide. The composite oxide includes PHI ' phase as a crystal phase and has oxygen absorbing and desorbing capability ...


28
Kazuhiko Yamamoto, Yuichi Miyake, Chikara Okada: Alloy ingot for permanent magnet, anisotropic powders for permanent magnet, method for producing same and permanent magnet. Santoku Metal, Darby & Darby, August 12, 1997: US05656100 (3 worldwide citation)

An alloy ingot for permanent magnet consists essentially of rare earth metal and iron and optionally boron. The two-component alloy ingot contains 90 vol % or more of crystals having a crystal grain size along a short axis of 0.1 to 100 .mu.m and that along a long axis of 0.1 to 100 .mu.m. The three ...


29
Ryo Murakami: Powder for permanent magnet, method for its production and anisotropic permanent magnet made using said powder. Santoku Metal, Marshall Gerstein & Borun, December 11, 2001: US06328817 (3 worldwide citation)

There is provided a powder for permanent magnet comprising needle-like fine particles of Fe or Fe—Co alloy as a base material, a hard magnetic layer and a separation layer of an oxide of rare earth element provided outside said hard magnetic layer.


30
Kaneko Akihito: Rare earth metal/nickel-base hydrogen absorbing alloy, process for preparing the same, and negative electrode for nickel-hydrogen secondary battery. Santoku Metal, August 20, 1997: EP0790323-A1 (3 worldwide citation)

A rare earth metal/nickel-base hydrogen absorbing alloy having a composition represented by formula (1): (R1-x Lx )(Ni1-y My )z , (wherein R represents La, Ce, Pr, or Nd; L represents Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y, Sc, Mg, or Ca; and M represents Co, Al, Mn, Fe, Cu, Zr, Ti, Mo, Si, V, Cr, Nb, Hf ...