1
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 and Darby, January 24, 1995: US05383978 (45 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 ...


2
Hajime Sadatoshi, Haruyuki Suzuki, Yuichi Miyake, Takao Nomura, Takeyoshi Nishio: Thermoplastic resin composition. Sumitomo Chemical Company, Toyota Jidosha Kabushiki Kaisha, Sughrue Mion Zinn Macpeak & Seas PLLC, December 22, 1998: US05852100 (12 worldwide citation)

A thermoplastic resin composition with improved low-temperature impact strength and rigidity against heat, comprising (I) 10-40% by weight of a mixture of (a) 10-50% by weight of a propylene homopolymer and/or an ethylene-propylene block copolymer (an isotactic pentad fraction of a propylene homopol ...


3
Hajime Sadatoshi, Kenichi Ohkawa, Teruhiko Doi, Yuichi Miyake, Takao Nomura, Takeyoshi Nishio: Thermoplastic resin composition and injection molded article thereof. Sumitomo Chemical Company, Toyota Jidosha Kabushiki Kaisha, Sughrue Mion Zinn Macpeak & Seas PLLC, March 3, 1998: US05723527 (12 worldwide citation)

A thermoplastic resin composition which has a melt flow rate of 20 to 30 g/10 min and a flexural modulus at 23.degree. C. of 30,000 kg/cm.sup.2 or more and which comprises (A) 60 to 75% by weight of a specific crystalline polypropylene in which the propylene homopolymer portion has a Q value of 3.0 ...


4
Kazuhiko Yamamoto, Yuichi Miyake, Chikara Okada, Nobuyuki Kitazume: Rare earth metal-nickel hydrogen occlusive alloy ingot. Santoku Metal, Darby & Darby, November 28, 1995: US05470404 (8 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-nicke ...


5
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, October 7, 1997: US05674327 (7 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 ...


6
Hajime Sadatoshi, Kenichi Ohkawa, Teruhiko Doi, Yuichi Miyake, Takao Nomura, Takeyoshi Nishio: Crystalline ethylene-propylene copolymer with ethylene copolymer(s) and/or alkenyl aromatic-grafted rubber. Sumitomo Chemical Company, Toyota Jidosha Kabushiki Kaisha, Sughrue Mion Zinn Macpeak & Seas PLLC, June 22, 1999: US05914363 (5 worldwide citation)

A thermoplastic resin composition which has a melt flow rate of 25 to 30 g/10 min and a flexural modulus at 23.degree. C. of 20,000 kg/cm.sup.2 or more and which comprises (1) 78 to 87% by weight of a specific crystalline polypropylene �referred to hereinafter as (A)! in which the propylene homopoly ...


7
Manabu Hirakawa, Kenichi Ohkawa, Teruhiko Doi, Tetsuya Hisayama, Yuichi Miyake, Takeyoshi Nishio: High-rigidity ethylene/propylene block copolymer and process for the production thereof. Sumitomo Chemical Company, Toyota Jidosha Kabushiki Kaisha, Sughrue Mion Zinn Macpeak & Seas PLLC, March 20, 2001: US06204336 (4 worldwide citation)

A high rigidity ethylene-propylene block copolymer which is composed of (I) a crystalline polypropylene portion and (II) an ethylene-propylene random copolymer portion, and in which the crystalline polypropylene portion (I) has a Q value of not more than 5 which is the weight average molecular weigh ...


8
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 ...


9
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 ...


10
Kazuhiko Yamamoto, Yuichi Miyake, Chikara Okada, Nobuyuki Kitazume: Method for production of rare earth metal-nickel hydrogen occlusive alloy ingot. Santoku Metal, Darby & Darby, October 28, 1997: US05680896 (2 worldwide citation)

A method for producing rare earth metal-nickel hydrogen occlusive alloy ingot that 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. The method for producin ...



Click the thumbnails below to visualize the patent trend.