Patents by Inventor Junichiro Baba
Junichiro Baba 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: 8286783Abstract: Conveyance pitch is modified without modifying a pallet. A pallet conveying apparatus has: one, two or more pallets onto which a work can be loaded; a first and a second pallet rails on which the pallet can be movably loaded; first and second pallet feeding mechanisms that convey the pallet; and a pallet transfer mechanism that causes the pallet loaded on the first or second pallet rail to be transferred to the second or first pallet rail. The pallet transfer mechanism has a first movable portion that forms one part of the first pallet rail and that can be made continuous with the second pallet rail by being separated from another part; and a second movable portion that forms one part of the second pallet rail and that can be made continuous with the first pallet rail by being separated from another part. The first and second pallet feeding mechanisms have circulating endless first and second belts capable of engaging with the pallet that is loaded on each of the pallet rails.Type: GrantFiled: April 23, 2010Date of Patent: October 16, 2012Assignee: Nittoku Engineering Co. Ltd.Inventor: Junichiro Baba
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Publication number: 20110100783Abstract: Conveyance pitch is modified without modifying a pallet. A pallet conveying apparatus has: one, two or more pallets onto which a work can be loaded; a first and a second pallet rails on which the pallet can be movably loaded; first and second pallet feeding mechanisms that convey the pallet; and a pallet transfer mechanism that causes the pallet loaded on the first or second pallet rail to be transferred to the second or first pallet rail. The pallet transfer mechanism has a first movable portion that forms one part of the first pallet rail and that can be made continuous with the second pallet rail by being separated from another part; and a second movable portion that forms one part of the second pallet rail and that can be made continuous with the first pallet rail by being separated from another part. The first and second pallet feeding mechanisms have circulating endless first and second belts capable of engaging with the pallet that is loaded on each of the pallet rails.Type: ApplicationFiled: April 23, 2010Publication date: May 5, 2011Applicant: NITTOKU ENGINEERING CO., LTD.Inventor: Junichiro Baba
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Patent number: 7138017Abstract: A method of making an alloy powder for an R—Fe—B-type rare earth magnet includes the steps of preparing a material alloy that is to be used for forming the R—Fe—B-type rare earth magnet and that has a chilled structure that constitutes about 2 volume percent to about 20 volume percent of the material alloy, coarsely pulverizing the material alloy for the R—Fe—B-type rare earth magnet by utilizing a hydrogen occlusion phenomenon to obtain a coarsely pulverized powder, finely pulverizing the coarsely pulverized powder and removing at least some of fine powder particles having particle sizes of about 1.0 ?m or less from the finely pulverized powder, thereby reducing the volume fraction of the fine powder particles with the particle sizes of about 1.0 ?m or less, and covering the surface of remaining ones of the powder particles with a lubricant after the step of removing has been performed.Type: GrantFiled: August 21, 2003Date of Patent: November 21, 2006Assignee: Neomax Co., Ltd.Inventors: Yuji Kaneko, Junichiro Baba, Katsuya Taniguchi
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Publication number: 20040050455Abstract: A method of making an alloy powder for an R—Fe—B—type rare earth magnet includes the steps of preparing a material alloy that is to be used for forming the R—Fe—B—type rare earth magnet and that has a chilled structure that constitutes about 2 volume percent to about 20 volume percent of the material alloy, coarsely pulverizing the material alloy for the R—Fe—B—type rare earth magnet by utilizing a hydrogen occlusion phenomenon to obtain a coarsely pulverized powder, finely pulverizing the coarsely pulverized powder and removing at least some of fine powder particles having particle sizes of about 1.0 &mgr;m or less from the finely pulverized powder, thereby reducing the volume fraction of the fine powder particles with the particle sizes of about 1.0 &mgr;m or less, and covering the surface of remaining ones of the powder particles with a lubricant after the step of removing has been performed.Type: ApplicationFiled: August 21, 2003Publication date: March 18, 2004Applicant: Sumitomo Special Metals Co., Ltd.Inventors: Yuji Kaneko, Junichiro Baba, Katsuya Taniguchi
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Patent number: 6676773Abstract: A method of making an alloy powder for an R—Fe—B-type rare earth magnet includes the steps of preparing a material alloy that is to be used for forming the R—Fe—B-type rare earth magnet and that has a chilled structure that constitutes about 2 volume percent to about 20 volume percent of the material alloy, coarsely pulverizing the material alloy for the R—Fe—B-type rare earth magnet by utilizing a hydrogen occlusion phenomenon to obtain a coarsely pulverized powder, finely pulverizing the coarsely pulverized powder and removing at least some of fine powder particles having particle sizes of about 1.0 &mgr;m or less from the finely pulverized powder, thereby reducing the volume fraction of the fine powder particles with the particle sizes of about 1.0 &mgr;m or less, and covering the surface of remaining ones of the powder particles with a lubricant after the step of removing has been performed.Type: GrantFiled: November 5, 2001Date of Patent: January 13, 2004Assignee: Sumitomo Special Metals Co., Ltd.Inventors: Yuji Kaneko, Junichiro Baba, Katsuya Taniguchi
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Publication number: 20020129874Abstract: A method of making an alloy powder for an R—Fe—B-type rare earth magnet includes the steps of preparing a material alloy that is to be used for forming the R—Fe—B-type rare earth magnet and that has a chilled structure that constitutes about 2 volume percent to about 20 volume percent of the material alloy, coarsely pulverizing the material alloy for the R—Fe—B-type rare earth magnet by utilizing a hydrogen occlusion phenomenon to obtain a coarsely pulverized powder, finely pulverizing the coarsely pulverized powder and removing at least some of fine powder particles having particle sizes of about 1.0 &mgr;m or less from the finely pulverized powder, thereby reducing the volume fraction of the fine powder particles with the particle sizes of about 1.0 &mgr;m or less, and covering the surface of remaining ones of the powder particles with a lubricant after the step of removing has been performed.Type: ApplicationFiled: November 5, 2001Publication date: September 19, 2002Inventors: Yuji Kaneko, Junichiro Baba, Katsuya Taniguchi
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Patent number: 6361738Abstract: The method of producing an R—Fe—B magnet of the present invention is characterized in that R—Fe—B alloy fine powder is molded in a magnetic field and sintered using a lubricant for molding magnets containing specific components, individually or as a mixture, of specific amounts of methyl caproate and/or methyl caprylate, which provide high crystal orientation, and lubricant comprising depolymerized polymer for improving molded article strength, or a lubricant for molding magnets wherein Ti coupling agent that improves crystal orientation is added to this lubricant for molding magnets. Each particle of the fine powder has a high degree of crystal orientation in the direction of the magnetic field, and molded article strength is markedly improved, leading to improved mass-productivity and yield. Moreover, the above-mentioned lubricants do not react with this magnet powder during sintering and are emitted as a gas.Type: GrantFiled: March 28, 2000Date of Patent: March 26, 2002Assignee: Sumitomo Special Metals Co., Ltd.Inventors: Yuji Kaneko, Junichiro Baba, Kazuo Tanaka, Shizuo Mori