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1. 发明授权

US06689452B2 Magnetic recording medium 失效
标题翻译：磁记录介质
公开(公告)号：US06689452B2
公开(公告)日：2004-02-10
申请号：US10128569
申请日：2002-04-24
申请人： Mamoru Kamigaki , Seiji Ishitani , Hiroko Morii
发明人： Mamoru Kamigaki , Seiji Ishitani , Hiroko Morii
IPC分类号： G11B5706
CPC分类号： G11B5/712 , G11B5/708 , G11B5/738 , Y10T428/2995
摘要： A magnetic recording medium including a non-magnetic base film; and a magnetic recording layer formed on the non-magnetic base film. The magnetic recording layer contains a filler, a binder resin and surface-modified magnetic particles having an average particle diameter of 0.01 to 0.7 &mgr;m and contains magnetic particles and a silane monomer coat formed on surface of the magnetic particle by a dry-mixing method.
摘要翻译：一种包括非磁性基膜的磁记录介质; 以及形成在非磁性基膜上的磁记录层。磁记录层含有平均粒径为0.01〜0.7μm的填料，粘合剂树脂和表面改性磁性粒子，并含有通过干式混合法形成在磁性颗粒的表面上的磁性粒子和硅烷单体涂层。

2. 发明授权

US06458453B1 Magnetic recording medium 失效
标题翻译：磁记录介质
公开(公告)号：US06458453B1
公开(公告)日：2002-10-01
申请号：US09557881
申请日：2000-04-25
申请人： Kazuyuki Hayashi , Hiroko Morii , Mamoru Kamigaki , Seiji Ishitani
发明人： Kazuyuki Hayashi , Hiroko Morii , Mamoru Kamigaki , Seiji Ishitani
IPC分类号： G11B5708
CPC分类号： B82Y30/00 , C01P2004/03 , C01P2004/10 , C01P2004/20 , C01P2004/32 , C01P2004/41 , C01P2004/50 , C01P2004/51 , C01P2004/52 , C01P2004/54 , C01P2004/62 , C01P2004/64 , C01P2004/82 , C01P2004/86 , C01P2006/12 , C01P2006/40 , C01P2006/42 , C01P2006/60 , C01P2006/62 , C01P2006/80 , C09C1/24 , C09C3/006 , C09C3/12 , G11B5/708 , Y10T428/25 , Y10T428/2982 , Y10T428/2991 , Y10T428/2995
摘要： A magnetic recording medium composed of a non-magnetic base film and a magnetic recording layer containing a binder resin, magnetic particles, and as a filler black composite hematite particles having an average diameter of 0.08 to 1.0 &mgr;m. The composite particles have cores of hematite particles which are surface coated with an organosilicon compound. A carbon black coating is formed on the organosilicon coating layer. In addition, the hematite core particles may have an oxide or hydroxide coating layer formed on the surface of the hematite core particle, between the organosilicon coating layer and the surface of the core particles. The magnetic recording medium has not only an excellent durability and a good electromagnetic performance, but also a low light transmittance, a small surface resistivity and an excellent surface smoothness.
摘要翻译：由非磁性基膜和含有粘合剂树脂，磁性颗粒和作为平均直径为0.08至1.0μm的填料黑色复合赤铁矿颗粒的磁记录层组成的磁记录介质。复合颗粒具有表面涂覆有机硅化合物的赤铁矿颗粒核。在有机硅涂层上形成炭黑涂层。此外，赤铁矿芯颗粒可以在赤铁矿核心颗粒的表面，有机硅涂层和芯颗粒的表面之间形成氧化物或氢氧化物涂层。磁记录介质不仅具有优异的耐久性和良好的电磁性能，而且具有低透光率，小的表面电阻率和优异的表面平滑度。

3. 发明申请

US20100255188A1 SOFT MAGNETIC MATERIAL, POWDER MAGNETIC CORE AND METHOD OF MANUFACTURING SOFT MAGNETIC MATERIAL 有权
标题翻译：软磁材料，粉末磁芯和制造软磁材料的方法
公开(公告)号：US20100255188A1
公开(公告)日：2010-10-07
申请号：US12816833
申请日：2010-06-16
申请人： Toru MAEDA , Naoto Igarashi , Haruhisa Toyoda , Hirokazu Kugai , Kazuyuki Hayashi , Hiroko Morii , Seiji Ishitani
发明人： Toru MAEDA , Naoto Igarashi , Haruhisa Toyoda , Hirokazu Kugai , Kazuyuki Hayashi , Hiroko Morii , Seiji Ishitani
IPC分类号： B05D5/12
CPC分类号： B22F1/02 , B22F2998/10 , H01F1/24 , H01F1/26 , H01F41/0246 , Y10T428/2991 , B22F3/02 , B22F3/24
摘要： A soft magnetic material is a soft magnetic material including a composite magnetic particle (30) having a metal magnetic particle (10) mainly composed of Fe and an insulating coating (20) covering metal magnetic particle (10), and insulating coating (20) contains an iron phosphate compound and an aluminum phosphate compound. The atomic ratio of Fe contained in a contact surface of insulating coating (20) in contact with metal magnetic particle (10) is larger than the atomic ratio of Fe contained in the surface of insulating coating (20). The atomic ratio of Al contained in the contact surface of insulating coating (20) in contact with metal magnetic particle (10) is smaller than the atomic ratio of Al contained in the surface of insulating coating (20). Thus, iron loss can be reduced.
摘要翻译：软磁性材料是包括具有主要由Fe构成的金属磁性粒子（10）和覆盖金属磁性粒子（10）的绝缘涂层（20）的复合磁性体（30）和绝缘涂层（20）的软磁性材料，含有磷酸铁化合物和磷酸铝化合物。包含在与金属磁性颗粒（10）接触的绝缘涂层（20）的接触表面中的Fe的原子比大于绝缘涂层（20）表面中所含的Fe的原子比。绝缘涂层（20）与金属磁性颗粒（10）接触的接触表面中所含的Al的原子比小于绝缘涂层（20）表面中的Al的原子比。因此，可以减少铁损。

4. 发明申请

US20090047519A1 SOFT MAGNETIC MATERIAL, DUST MAGNETIC CORE, PROCESS FOR PRODUCING SOFT MAGNETIC MATERIAL AND PROCESS FOR PRODUCING DUST MAGNETIC CORE 有权
标题翻译：软磁材料，粉尘磁芯，生产软磁材料的方法和生产磁粉的方法
公开(公告)号：US20090047519A1
公开(公告)日：2009-02-19
申请号：US12160079
申请日：2006-11-22
申请人： Toru Maeda , Naoto Igarashi , Haruhisa Toyoda , Seiji Ishitani , Hiroko Morii , Kazuyuki Hayashi
发明人： Toru Maeda , Naoto Igarashi , Haruhisa Toyoda , Seiji Ishitani , Hiroko Morii , Kazuyuki Hayashi
IPC分类号： B32B15/02 , B05D5/12
CPC分类号： H01F1/24 , B22F1/02 , B22F2998/10 , C22C33/02 , H01F1/26 , H01F3/08 , H01F41/0246 , Y10T428/2991 , Y10T428/2998 , B22F1/007 , B22F3/02 , B22F3/10
摘要： The soft magnetic material includes a plurality of composite magnetic particles having a metal magnetic particle and an insulating film surrounding the surface of the metal magnetic particle. The metal magnetic particle contains iron as the main component. The insulating film contains aluminum, silicon, phosphorus, and oxygen. The insulating film satisfies the relationship 0.4≦MAl/(MAl+MSi)≦0.9 and the relationship of 0.25≦(MAl+MSi)/MP≦1.0 in the case that molar amount of aluminum contained in the insulating film is represented by MAl, the sum of the molar amount of aluminum contained in the insulating film and the molar amount of silicon contained in the insulating film is represented by (MAl+MSi), and the molar amount of phosphorus contained in the insulating film is represented by MP.
摘要翻译：软磁性材料包括具有金属磁性颗粒的多个复合磁性颗粒和围绕金属磁性颗粒表面的绝缘膜。金属磁性粒子含有铁作为主要成分。绝缘膜含有铝，硅，磷和氧。在绝缘膜中含有的铝的摩尔量为绝对膜的情况下，绝缘膜满足关系0.4 <= MA1 /（MA1 + MSi）<= 0.9，0.25 <=（MA1 + MSi）/ MP < 由MA1表示，绝缘膜中所含的铝的摩尔量与绝缘膜中所含的硅的摩尔量之和表示为（MA1 + MSi），表示绝缘膜中所含的磷的摩尔量由MP。

5. 发明授权

US07767034B2 Soft magnetic material, powder magnetic core and method of manufacturing soft magnetic material 有权
标题翻译：软磁材料，粉末磁芯和软磁材料的制造方法
公开(公告)号：US07767034B2
公开(公告)日：2010-08-03
申请号：US11629976
申请日：2005-09-29
申请人： Toru Maeda , Naoto Igarashi , Haruhisa Toyoda , Hirokazu Kugai , Kazuyuki Hayashi , Hiroko Morii , Seiji Ishitani
发明人： Toru Maeda , Naoto Igarashi , Haruhisa Toyoda , Hirokazu Kugai , Kazuyuki Hayashi , Hiroko Morii , Seiji Ishitani
IPC分类号： H01F1/20 , H01F1/24 , B32B5/00
CPC分类号： B22F1/02 , B22F2998/10 , H01F1/24 , H01F1/26 , H01F41/0246 , Y10T428/2991 , B22F3/02 , B22F3/24
摘要： A soft magnetic material is a soft magnetic material including a composite magnetic particle (30) having a metal magnetic particle (10) mainly composed of Fe and an insulating coating (20) covering metal magnetic particle (10), and insulating coating (20) contains an iron phosphate compound and an aluminum phosphate compound. The atomic ratio of Fe contained in a contact surface of insulating coating (20) in contact with metal magnetic particle (10) is larger than the atomic ratio of Fe contained in the surface of insulating coating (20). The atomic ratio of Al contained in the contact surface of insulating coating (20) in contact with metal magnetic particle (10) is smaller than the atomic ratio of Al contained in the surface of insulating coating (20). Thus, iron loss can be reduced.
摘要翻译：软磁性材料是包括具有主要由Fe构成的金属磁性粒子（10）和覆盖金属磁性粒子（10）的绝缘涂层（20）的复合磁性体（30）和绝缘涂层（20）的软磁性材料，含有磷酸铁化合物和磷酸铝化合物。包含在与金属磁性颗粒（10）接触的绝缘涂层（20）的接触表面中的Fe的原子比大于绝缘涂层（20）表面中所含的Fe的原子比。绝缘涂层（20）与金属磁性颗粒（10）接触的接触表面中所含的Al的原子比小于绝缘涂层（20）表面中的Al的原子比。因此，可以减少铁损。

6. 发明授权

US06638675B2 Black magnetic toner 失效
标题翻译：黑色磁性墨粉
公开(公告)号：US06638675B2
公开(公告)日：2003-10-28
申请号：US10141959
申请日：2002-05-10
申请人： Kazuyuki Hayashi , Hiroko Morii , Yasuyuki Tanaka , Seiji Ishitani
发明人： Kazuyuki Hayashi , Hiroko Morii , Yasuyuki Tanaka , Seiji Ishitani
IPC分类号： G03G9083
CPC分类号： G03G9/083 , G03G9/0833 , G03G9/0836 , G03G9/0839 , G03G9/08773 , G03G9/0902 , G03G9/0904 , Y10S428/90 , Y10T428/2991 , Y10T428/2995 , Y10T428/2998
摘要： Black magnetic toner comprising: a binder resin, and black magnetic composite particles comprising: magnetic iron oxide particles having an average particle diameter of 0.055 to 0.95 &mgr;m; a coating layer formed on the surface of said magnetic iron oxide particles, comprising at least one organosilicon compound selected from the group consisting of: (1) organosilane compounds obtainable from alkoxysilane compounds, (2) polysiloxanes or modified polysiloxanes, and (3) fluoroalkyl organosilane compounds obtainable from fluoroalkylsilane compounds; and a carbon black coat formed on said coating layer comprising said organosilicon compound, in an amount of 1 to 25 parts by weight based on 100 parts by weight of said magnetic iron oxide particles. Such a black magnetic toner can be free from being deteriorated in electric resistance due to the existence of the carbon black coat, and as a result, is suitable as a high-resistance or insulated magnetic toner.
摘要翻译：黑色磁性调色剂，其包含：粘合剂树脂和黑色磁性复合颗粒，其包含平均粒径为0.055至0.95μm的磁性氧化铁颗粒;形成在所述磁性氧化铁颗粒的表面上的涂层，其包含至少一种有机硅化合物选自：（1）可从烷氧基硅烷化合物获得的有机硅烷化合物，（2）聚硅氧烷或改性聚硅氧烷，和（3）可从氟代烷基硅烷化合物获得的氟烷基有机硅烷化合物; 和在包含所述有机硅化合物的所述涂层上形成的炭黑涂层，其量为基于100重量份的所述磁性氧化铁颗粒为1至25重量份。这样的黑色磁性调色剂可以没有劣化的电由于存在炭黑涂层而导致的电阻，因此适合作为高电阻或绝缘磁性调色剂。

7. 发明授权

US06416864B1 Black magnetic composite particles for a black magnetic toner 失效
标题翻译：用于黑色磁性调色剂的黑色磁性复合颗粒
公开(公告)号：US06416864B1
公开(公告)日：2002-07-09
申请号：US09541725
申请日：2000-04-03
申请人： Kazuyuki Hayashi , Hiroko Morii , Yasuyuki Tanaka , Seiji Ishitani
发明人： Kazuyuki Hayashi , Hiroko Morii , Yasuyuki Tanaka , Seiji Ishitani
IPC分类号： B32B516
CPC分类号： G03G9/083 , G03G9/0833 , G03G9/0836 , G03G9/0839 , G03G9/08773 , G03G9/0902 , G03G9/0904 , Y10S428/90 , Y10T428/2991 , Y10T428/2995 , Y10T428/2998
摘要： Black magnetic toner comprising: a binder resin, and black magnetic composite particles comprising: magnetic iron oxide particles having an average particle diameter of 0.055 to 0.95 &mgr;m; a coating layer formed on the surface of said magnetic iron oxide particles, comprising at least one organosilicon compound selected from the group consisting of: (1) organosilane compounds obtainable from alkoxysilane compounds, (2) polysiloxanes or modified polysiloxanes, and (3) fluoroalkyl organosilane compounds obtainable from fluoroalkylsilane compounds; and a carbon black coat formed on said coating layer comprising said organosilicon compound, in an amount of 1 to 25 parts by weight based on 100 parts by weight of said magnetic iron oxide particles. Such a black magnetic toner can be free from being deteriorated in electric resistance due to the existence of the carbon black coat, and as a result, is suitable as a high-resistance or insulated magnetic toner.
摘要翻译：黑色磁性调色剂，其包含：粘合剂树脂和黑色磁性复合颗粒，其包含平均粒径为0.055至0.95μm的磁性氧化铁颗粒;形成在所述磁性氧化铁颗粒的表面上的涂层，其包含至少一种有机硅化合物选自：（1）可从烷氧基硅烷化合物获得的有机硅烷化合物，（2）聚硅氧烷或改性聚硅氧烷，和（3）可从氟代烷基硅烷化合物获得的氟烷基有机硅烷化合物; 和在包含所述有机硅化合物的所述涂层上形成的炭黑涂层，其量为基于100重量份的所述磁性氧化铁颗粒为1至25重量份。这样的黑色磁性调色剂可以没有劣化的电由于存在炭黑涂层而导致的电阻，因此适合作为高电阻或绝缘磁性调色剂。

8. 发明授权

US6130017A Black non-magnetic composite particles for black toner and black toner using the same 失效
标题翻译：用于黑色调色剂的黑色非磁性复合颗粒和使用其的黑色调色剂
公开(公告)号：US6130017A
公开(公告)日：2000-10-10
申请号：US293057
申请日：1999-04-16
申请人： Kazuyuki Hayashi , Seiji Ishitani , Yasuyuki Tanaka , Hiroko Morii
发明人： Kazuyuki Hayashi , Seiji Ishitani , Yasuyuki Tanaka , Hiroko Morii
IPC分类号： G03G9/087 , G03G9/09
CPC分类号： G03G9/08773 , G03G9/0902 , Y10T428/2991
摘要： Black non-magnetic composite particles for black toner according to the present invention, comprise:black hematite particles or black iron oxide hydroxide particles as core particles;fine particles which are adhered or exist on at least a part of the surface of each magnetite particle, and comprise oxides, oxide hydroxides or oxides and oxide hydroxides composed of at least one element selected from the group consisting of Si, Zr, Ti, Al and Ce; anda methyl hydrogen polysiloxane coating layer formed on said fine particles or said fine particles and the exposed surface of the magnetite particle,the average particle size of said black non-magnetic composite particles being 0.08 to 1.0 .mu.m.Such black non-magnetic composite particles are suitable for a black toner which can exhibit not only an excellent flowability but also a high volume resistivity.
摘要翻译：本发明黑色调色剂黑色非磁性复合颗粒包括黑色赤铁矿颗粒或黑色铁氧化物氢氧化物颗粒作为核心颗粒; 附着或存在于每个磁铁矿颗粒的表面的至少一部分上的细颗粒，并且包含由选自Si，Zr，Ti，Al中的至少一种元素组成的氧化物，氧化物氢氧化物或氧化物和氧化物氢氧化物和Ce; 和形成在所述微粒或所述微粒上的甲基氢聚硅氧烷涂层和所述磁铁矿粒子的露出面，所述黑色非磁性复合粒子的平均粒径为0.08〜1.0μm。这种黑色非磁性复合颗粒适用于黑色调色剂，其不仅具有优异的流动性，而且还具有高的体积电阻率。

9. 发明授权

US08557330B2 Manufacturing method of soft magnetic material and manufacturing method of dust core 有权
标题翻译：软磁材料的制造方法和防尘芯的制造方法
公开(公告)号：US08557330B2
公开(公告)日：2013-10-15
申请号：US13409850
申请日：2012-03-01
申请人： Toru Maeda , Naoto Igarashi , Haruhisa Toyoda , Seiji Ishitani , Hiroko Morii , Kazuyuki Hayashi
发明人： Toru Maeda , Naoto Igarashi , Haruhisa Toyoda , Seiji Ishitani , Hiroko Morii , Kazuyuki Hayashi
IPC分类号： B05D7/00 , H01F1/20 , H01F1/22 , H01F1/24
CPC分类号： H01F1/24 , B22F1/02 , B22F2998/10 , C22C33/02 , H01F1/26 , H01F3/08 , H01F41/0246 , Y10T428/2991 , Y10T428/2998 , B22F1/007 , B22F3/02 , B22F3/10
摘要： A manufacturing method of a soft magnetic material has a step of preparing a metal magnetic particle containing iron as the main component, and a step of forming an insulating film surrounding the surface of the metal magnetic particle. The step of forming the insulating film includes a step of mixing and stirring the metal magnetic particle, aluminum alkoxide, silicon alkoxide, and phosphoric acid.
摘要翻译：软磁性材料的制造方法具有制备以铁为主要成分的金属磁性体的工序，以及形成包围金属磁性体的表面的绝缘膜的工序。形成绝缘膜的步骤包括混合和搅拌金属磁性颗粒，醇铝，硅烷氧化物和磷酸的步骤。

10. 发明申请

US20100035087A1 PROCESS FOR PRODUCING FERROMAGNETIC METAL PARTICLES AND MAGNETIC RECORDING MEDIUM 审中-公开
标题翻译：生产铁氰化物金属颗粒和磁记录介质的方法
公开(公告)号：US20100035087A1
公开(公告)日：2010-02-11
申请号：US12535978
申请日：2009-08-05
申请人： Hiroko Morii , Keisuke Iwasaki , Seiji Ishitani , Mineko Ohsugi , Shinji Horie , Toshiharu Harada , Takehiro Matsuo , Yosuke Yamamoto , Kazuyuki Hayashi
发明人： Hiroko Morii , Keisuke Iwasaki , Seiji Ishitani , Mineko Ohsugi , Shinji Horie , Toshiharu Harada , Takehiro Matsuo , Yosuke Yamamoto , Kazuyuki Hayashi
IPC分类号： G11B5/712 , B22F9/20 , B32B15/02
CPC分类号： G11B5/714 , B22F1/0025 , B22F9/22 , B22F2998/10 , B82Y30/00 , C22C2202/02 , G11B5/70642 , Y10T428/12014 , B22F2201/05 , B22F2201/013
摘要： The present invention relates to ferromagnetic metal particles having an average major axis diameter (L) of 10 to 100 nm which satisfy a relationship between the average major axis diameter (L) and a particle SFD represented by the following formula: Particle SFD≦0.0001 L2−0.0217 L+1.75; a process for producing the ferromagnetic metal particles; and a magnetic recording medium using the ferromagnetic metal particles.
摘要翻译：本发明涉及平均长轴直径（L）为10〜100nm的强磁性金属颗粒，其满足平均长轴直径（L）和由下式表示的颗粒SFD之间的关系：颗粒SFD 产生铁磁金属颗粒; 以及使用该强磁性金属粒子的磁记录介质。

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