Patents by Inventor Katsumasa Odera
Katsumasa Odera has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 5368658Abstract: The present invention provides high strength, heat resistant aluminum-based alloys having a composition represented by the general formula: Al.sub.a M.sub.b X.sub.cwherein:M is at least one metal element selected from the group consisting of V, Cr, Mn, Fe, Co, Ni, Cu, Zr, Ti, Mo, W, Ca, Li, Mg and Si;X is at least one metal element selected from the group consisting of Hf, Nb, and Ta; anda, b and c are atomic percentages falling within the following ranges:50.ltoreq.a.ltoreq.95, 0.5.ltoreq.b.ltoreq.35 and 0.5.ltoreq.c.ltoreq.25, the aluminum-based alloy being in an amorphous state, microcrystalline state or a composite state thereof. The aluminum-based alloys possess an advantageous combination of properties of high strength, heat resistance, superior ductility and good processability which make then suitable for various applications.Type: GrantFiled: February 19, 1993Date of Patent: November 29, 1994Assignees: Yoshida Kogyo K.K., Tsuyoshi MasumotoInventors: Tsuyoshi Masumoto, Akihisa Inoue, Katsumasa Odera, Masahiro Oguchi
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Patent number: 5320688Abstract: The present invention provides high strength, heat resistant aluminum-based alloys having a composition represented by the general formula:Al.sub.a M.sub.b X.sub.cwherein:M is at least one metal element selected from the group consisting of V, Cr, Mn, Fe, Co, Ni, Cu, Zr, Ti, Mo, W, Ca, Li, Mg and Si;X is at least one metal element selected from the group consisting of Y, La, Ce, Sm, Nd, Hf, Nb, Ta and Mm (misch metal); anda, b and c are atomic percentages falling within the following ranges:50.ltoreq.a.ltoreq.95, 0.5.ltoreq.b.ltoreq.35 and 0.5.ltoreq.c.ltoreq.25,the aluminum-based alloy being in an amorphous state, microcrystalline state or a composite state thereof. The aluminum-based alloys possess an advantageous combination of properties of high strength, heat resistance, superior ductility and good processability which make then suitable for various applications.Type: GrantFiled: February 19, 1993Date of Patent: June 14, 1994Assignees: Yoshida Kogyo K. K., Tsuyoshi MasumotoInventors: Tsuyoshi Masumoto, Akihisa Inoue, Katsumasa Odera, Masahiro Oguchi
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Patent number: 5240517Abstract: The present invention provides high strength, heat resistant aluminum-based alloys having a composition represented by the general formula: Al.sub.a M.sub.b X.sub.c wherein:M is at least one metal element selected from the group consisting of V, Cr, Mn, Fe, Co, Ni, Cu, Zr, Ti, Mo, W, Ca, Li, Mg and Si;X is at least one metal element selected from the group consisting of Y, La, Ce, Sm, Nd, Hf, Nb, Ta and Mm (misch metal); anda, b and c are atomic percentages falling within the following ranges:50.ltoreq.a.ltoreq.95, 0.5.ltoreq.b.ltoreq.35 and 0.5.ltoreq.c.ltoreq.25,the aluminum-based alloy being in an amorphous state, microcrystalline state or a composite state thereof. The aluminum-based alloys possess an advantageous combination of properties of high strength, heat resistance, superior ductility and good processability which make then suitable for various applications.Type: GrantFiled: June 28, 1991Date of Patent: August 31, 1993Assignee: Yoshida Kogyo K.K.Inventors: Tsuyoshi Matsumoto, Akihisa Inoue, Katsumasa Odera, Masahiro Oguchi
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Patent number: 5053085Abstract: The present invention provides high strength, heat resistant aluminum-based alloys having a composition represented by the general formula, Al.sub.a M.sub.b X.sub.cwherein:M is at least one metal element selected from the group consisting of V, Cr, Mn, Fe, Co, Ni, Cu, Zr, Ti, Mo, W, Ca, Li, Mg, and Si;X is at least one metal element selected from the group consisting of Y, La, Ce, Sm, Nd, Hf, Nb, Ta and Mm (misch metal); anda, b and c are atomic percentages falling within the following ranges:50.ltoreq.a.ltoreq.95, 0.5.ltoreq.b.ltoreq.35 and 0.5.ltoreq.c.ltoreq.25,the aluminum-based alloy being in an amorphous state, microcrystalline state or a composite state thereof. The aluminum-based alloys possess an advantageous combination of properties of high strength, heat resistance, superior ductility and good processability which make them suitable for various applications.Type: GrantFiled: April 28, 1989Date of Patent: October 1, 1991Assignees: Yoshida Kogyo K.K., Piston Ring Company, Ltd., Tsuyoshi MasumotoInventors: Tsuyoshi Masumoto, Akihisa Inoe, Katsumasa Odera, Masahiro Oguchi
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Patent number: 5053084Abstract: The present invention provides high-strength, heat resistant aluminum alloys having a composition represented by the general formula:Al.sub.a M.sub.b X.sub.d or Al.sub.a M.sub.b Q.sub.c X.sub.e(wherein M is at least one metal element selected from the group consisting of Cu, Ni, Co and Fe; Q is at least one metal element selected from the group consisting Mn, Cr, Mo, W, V, Ti and Zr; X is at least one metal element selected from the group consisting of Nb, Ta, Hf and Y; and a, b, c, d and e are atomic percentages falling within the following ranges: 45.ltoreq.a.ltoreq.90, 5.ltoreq.b.ltoreq.40, 0<c.ltoreq.12, 0.5.ltoreq.d.ltoreq.15 and 0.5.ltoreq.e.ltoreq.10, the aluminum alloy containing at least 50% by volume of amorphous phase.Type: GrantFiled: April 30, 1990Date of Patent: October 1, 1991Assignees: Yoshida Kogyo K.K., Tsuyoshi MasumotoInventors: Tsuyoshi Masumoto, Akihisa Inoue, Katsumasa Odera, Masahiro Oguchi
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Patent number: 4990198Abstract: The present invention provides high strength magnesium-based alloys which are at least 50% by volume composed of an amorphous phase, the alloys having a composition represented by the general formula (I) Mg.sub.a X.sub.b ; (II) Mg.sub.a X.sub.c M.sub.d, (III) Mg.sub.a X.sub.c Ln.sub.e ; or (IV) Mg.sub.a X.sub.c M.sub.d Ln.sub.e (wherein X is elements selected from the group consisting of Cu, Ni, Sn and Zn; M is one or more elements selected from the group consisting of Al, Si and Ca; Ln is one or more elements selected from the group consisting of Y, La, Ce, Nd and Sm or a misch metal rare earth elements; and a, b, c, d and e are atomic percentages falling within the following ranges: 40.ltoreq.a.ltoreq.90; 10.ltoreq.b.ltoreq.60, 4.ltoreq.c.ltoreq.35, 2.ltoreq.d.ltoreq.25, and 4.ltoreq.e.ltoreq.25. Since the magnesium-based alloys have high hardness, high strength and high corrosion-resistance, they are very useful in various applications.Type: GrantFiled: August 28, 1989Date of Patent: February 5, 1991Assignee: Yoshida Kogyo K. K.Inventors: Tsuyoshi Masumoto, Akihisa Inoue, Katsumasa Odera
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Patent number: 4950452Abstract: The present invention provides high strength, heat resistant aluminum-based alloys having a composition represented by the general formula Al.sub.a M.sub.b Ce.sub.c, wherein M is at least one metal element selected from the group consisting of V, Cr, Mn, Fe, Co, Ni, Cu and Nb; and a, b and c are atomic percentages falling within the following ranges:50.ltoreq.a.ltoreq.93, 0.5.ltoreq.b.ltoreq.35 and 0.5.ltoreq.c.ltoreq.25,the aluminum alloy containing at least 50% by volume of amorphous phase. The aluminum-based alloys are especially useful as high strength, high heat resistant materials in various applications and since they exhibit superplasticity in the vicinity of their crystallization temperature, they can be easily processed into various bulk materials by extrusion, press woring or hot-forging at the temperatures within the range of the crystallization temperature .+-.100.degree. C.Type: GrantFiled: March 16, 1989Date of Patent: August 21, 1990Assignees: Yoshida Kogyo K. K., Tsuyoshi MasumotoInventors: Tsuyoshi Masumoto, Akihisa Inoue, Katsumasa Odera
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Patent number: 4911767Abstract: The present invention provides high corrosion-resistant aluminum-based alloys having a composition represented by the general formula Al.sub.x M.sub.y (wherein: M is one metal element selected from the group consisting of Y, La, Ce, Nd and Sm; and x and y range from 75 to 98 atomic percent and from 2 to 25 atomic percent, respectively), the aluminum-based alloy containing at least 50% by volume of amorphous phase. The aluminum-based alloys are especially useful as high corrosion-resistant, high strength, high heat-resistant materials in various applications and, since they exhibit superplasticity in the vicinity of their crystallization temperature, they can be processed into various bulk materials, for example, by extrusion, press working or hot-forging at the temperatures within the range of the crystallization temperature .+-.100.degree. C.Type: GrantFiled: March 16, 1989Date of Patent: March 27, 1990Assignee: Yoshida Kogyo K. K.Inventors: Tsuyoshi Masumoto, Akihisa Inoue, Katsumasa Odera
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Patent number: 4909867Abstract: The present invention provides high-strength and heat resistant aluminum alloys having a composition represented by the general formula Al.sub.a M.sub.b La.sub.c (wherein M is at least one metal element selected from the group consisting of Fe, Co, Ni, Cu, Mn and Mo; and a, b and c are atomic percentages falling within the following ranges:65.ltoreq.a.ltoreq.93, 4.ltoreq.b.ltoreq.25 and 3.ltoreq.c.ltoreq.15),the aluminum alloys containing at least 50% by volume of amorphous phase. The aluminum alloys are especially useful as high strength and high heat resistant materials in various applications and, since the aluminum alloys specified above exhibit a superplasticity in the vicinity of their crystallization temperature, they can be readily worked into bulk forms by extrusion, press working or hot forging in the vicinity of the crystallization temperature.Type: GrantFiled: September 12, 1988Date of Patent: March 20, 1990Assignees: Yoshida Kogyo K. K., Tsuyoshi MasumotoInventors: Tsuyoshi Masumoto, Akihisa Inoue, Katsumasa Odera, Masahiro Oguchi