公开(公告)号：US11492266B2

公开(公告)日：2022-11-08

申请号：US16663546

申请日：2019-10-25

Applicant: TODA KOGYO CORP.

Inventor： Akihisa Kajiyama ,  Ryuta Masaki ,  Tsuyoshi Wakiyama ,  Tetsuya Kashima ,  Shoichi Fujino ,  Osamu Sasaki ,  Kazutoshi Matsumoto

IPC: C01G51/00 ,  H01M4/525 ,  C01G53/00 ,  C01G45/12 ,  H01M4/505 ,  H01M4/04 ,  H01M10/0525 ,  H01M4/02

Abstract: Provided herein are processes for producing positive electrode active substance particles for non-aqueous electrolyte secondary batteries which is excellent in life characteristics of a battery with respect to a repeated charging and discharging performance thereof, as well as a non-aqueous electrolyte secondary battery. In particular, provided herein are processes for producing a positive electrode active substance for non-aqueous electrolyte secondary batteries comprising lithium transition metal layered oxide having a composition represented by the formula: Lia(NixCoyMn1-x-y)O2 wherein a is 1.0≤a≤1.15; x is 0

公开(公告)号：US11228106B2

公开(公告)日：2022-01-18

申请号：US16481900

申请日：2018-01-29

Applicant: TODA KOGYO CORP.

Inventor： Satoshi Nomura ,  Jun Koujima ,  Yasushi Nishio ,  Manato Nakatsukasa ,  Yasuhiko Fujii

IPC: H01Q7/06 ,  G06K19/077 ,  H01Q1/22

Abstract: The present invention relates to an electronic component, and also relates to an antenna for information communication using a magnetic field component, which is capable of satisfying both of downsizing and improvement in communication sensitivity. The electronic component of the present invention comprises a ferrite core and a coil, in which a ferrite constituting the ferrite core has a spinel structure and comprises Fe, Ni, Zn, Cu and Co as constitutional metal elements, and when contents of the respective constitutional metal elements in the ferrite are calculated in terms of Fe2O3, NiO, ZnO, CuO and CoO, contents of Fe2O3, NiO, ZnO, CuO and CoO in the ferrite are 46 to 50 mol %, 20 to 27 mol %, 15 to 22 mol %, 9 to 11 mol % and 0.01 to 1.0 mol %, respectively, based on a total content of Fe2O3, NiO, ZnO, CuO and CoO.

公开(公告)号：US09824802B2

公开(公告)日：2017-11-21

申请号：US14439283

申请日：2013-10-29

Applicant: TODA KOGYO CORP.

Inventor： Makoto Sadai ,  Tomohiro Dote ,  Yoji Okano

IPC: H01F1/01 ,  H01F1/34 ,  C04B35/26 ,  C09J7/02

CPC classification number: H01F1/01 ,  C04B35/265 ,  C04B2235/3272 ,  C04B2235/3275 ,  C04B2235/3279 ,  C04B2235/3281 ,  C04B2235/3284 ,  C04B2235/6025 ,  C09J7/22 ,  H01F1/344

Abstract: The present invention relates to an Ni—Zn—Cu—Co ferrite sintered plate having a composition comprising 45 to 50 mol % of Fe2O3, 10 to 25 mol % of NiO, 15 to 36 mol % of ZnO, 2 to 14 mol % of CuO and 0.1 to 3.5 mol % of CoO, all of the molar amounts being calculated in terms of the respective oxides, and a ferrite sintered sheet that is provided on a surface thereof with a groove and further with an adhesive layer and/or a protective layer. The ferrite sintered sheet is capable of exhibiting an increased μ′ value of a magnetic permeability while maintaining a small μ″ value of the magnetic permeability.

公开(公告)号：US20170221619A1

公开(公告)日：2017-08-03

申请号：US15515003

申请日：2015-09-29

Applicant: TODA KOGYO CORP.

Inventor： Yasushi NISHIO ,  Satoshi NOMURA ,  Yasuhiko FUJII ,  Hiromitsu SAKURAI

IPC: H01F1/113 ,  C08K3/00 ,  C01G49/00

CPC classification number: H01F1/113 ,  C01G49/0018 ,  C01P2002/70 ,  C01P2004/61 ,  C01P2006/42 ,  C08K3/01 ,  C08K2201/01 ,  H01F1/11

Abstract: The object of the present invention relates to ferrite particles for bonded magnets and a resin composition for bonded magnets which is capable of obtaining a bonded magnet molded product having a good magnetic force and a magnetic waveform as well as high iHc and Hk by injection molding. The present invention aims at providing a bonded magnet molded product using the ferrite particles and the resin composition. The aforementioned object of the present invention can be achieved by ferrite particles for bonded magnets which have a crystal distortion of not more than 0.14 as measured by XRD, and an average particle diameter of not less than 1.30 μm as measured by Fisher method; a resin composition for bonded magnets; and a molded product obtained by injection-molding the resin composition.

公开(公告)号：US20030073016A1

公开(公告)日：2003-04-17

申请号：US10141959

申请日：2002-05-10

Applicant: Toda Kogyo Corp.

Inventor： Kazuyuki Hayashi ,  Hiroko Morll ,  Yasuyuki Tanaka ,  Seiji Ishitani

IPC: G03G009/083

CPC classification number: G03G9/083 ,  G03G9/0833 ,  G03G9/0836 ,  G03G9/0839 ,  G03G9/08773 ,  G03G9/0902 ,  G03G9/0904 ,  Y10S428/90 ,  Y10T428/2991 ,  Y10T428/2995 ,  Y10T428/2998

Abstract: 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 nullm; 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 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.

Abstract translation: 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; 在所述磁性氧化铁颗粒的表面上形成的涂层，其包含至少一种选自以下的有机硅化合物：（1）由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）氟代烷基 由氟烷基硅烷化合物得到的有机硅烷化合物; 以及基于100重量份的所述磁性氧化铁颗粒，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1至重量份。 这种黑色磁性调色剂由于存在炭黑涂层而不会劣化电阻，因此适合作为高电阻或绝缘的磁性调色剂。

公开(公告)号：US5599378A

公开(公告)日：1997-02-04

申请号：US450205

申请日：1995-05-25

Applicant: Akio Mishima ,  Tosiharu Harada ,  Mamoru Tanihara ,  Yasutaka Ota ,  Kenji Okinaka ,  Kohji Mori ,  Hirofumi Kawasaki ,  Norimichi Nagai ,  Katsunori Fujimoto ,  Yoshiro Okuda

Inventor： Akio Mishima ,  Tosiharu Harada ,  Mamoru Tanihara ,  Yasutaka Ota ,  Kenji Okinaka ,  Kohji Mori ,  Hirofumi Kawasaki ,  Norimichi Nagai ,  Katsunori Fujimoto ,  Yoshiro Okuda

IPC: G11B5/706 ,  G11B5/714 ,  H01F1/06 ,  H01F1/11 ,  H01F1/36

CPC classification number: G11B5/70621 ,  G11B5/70615 ,  G11B5/714 ,  H01F1/061

Abstract: Disclosed herein are spindle-shaped magnetic iron based alloy particles containing at least one selected from the group consisting of Ni, Al, Si, P, Co, Mg, B and Zn, which have a particle length of 0.05 to 0.40 .mu.m, a crystallite size of 110 to 180 .ANG., a specific surface area of 30 to 60 m.sup.2 /g, a coercive force of 1,300 to 1,700 Oe and a saturation magnetization (.sigma.s) of not less than 100 emu/g and a process for producing the same.

Abstract translation: 本文公开了含有选自Ni，Al，Si，P，Co，Mg，B和Zn中的至少一种的锭状磁铁基合金粒子，其粒径为0.05〜0.40μm，a 微晶尺寸为110〜180，比表面积为30〜60m2 / g，矫顽力为1300〜1700Oe，饱和磁化强度（sigma）为100emu / g以上， 相同。

公开(公告)号：US5582914A

公开(公告)日：1996-12-10

申请号：US197180

申请日：1994-02-16

Applicant: Atsushi Takedoi ,  Mamoru Tanihara ,  Tosiharu Harada ,  Masaru Isoai ,  Kazuhiro Fujita

Inventor： Atsushi Takedoi ,  Mamoru Tanihara ,  Tosiharu Harada ,  Masaru Isoai ,  Kazuhiro Fujita

IPC: G11B5/706 ,  B32B5/16 ,  B05D7/00

CPC classification number: G11B5/70694 ,  Y10S428/90 ,  Y10T428/2982 ,  Y10T428/2991 ,  Y10T428/2993

Abstract: Disclosed herein are magnetic iron oxide particles which have a spindle shape and a substantially uniform particle size and shape, and are substantially free of dendrites and have a large axial ratio (major axial diameter/minor axial diameter) and an excellent print-through characteristic, and a method of producing the same.

Abstract translation: 本文公开了具有纺锤形状和基本上均匀的粒度和形状的磁性氧化铁颗粒，并且基本上没有树枝状结构并且具有大的轴向比（主轴向直径/次轴向直径）和优异的印刷特性， 及其制造方法。

公开(公告)号：US5569695A

公开(公告)日：1996-10-29

申请号：US256463

申请日：1994-03-23

Applicant: Atsunori Kishimoto ,  Takashi Fujii, deceased ,  Kazutaka Ohshita ,  Kazumi Yamamoto ,  Yasuhiko Fujii ,  Tetsuro Toda

Inventor： Atsunori Kishimoto ,  Takashi Fujii, deceased ,  Kazutaka Ohshita ,  Kazumi Yamamoto ,  Yasuhiko Fujii ,  Tetsuro Toda

IPC: C08K3/22 ,  C08K3/24 ,  C08L23/02 ,  C08L23/08 ,  C08L31/04 ,  C08L57/02 ,  F16F9/30 ,  F16F15/02 ,  C08J3/00 ,  C08K3/10

CPC classification number: C08K3/24 ,  C08K3/22 ,  C08L23/08 ,  C08L31/04 ,  C08L23/02

Abstract: The present invention is a self-fusion type damping material formed from hard ferrite powder as a filler with a binder, in which the binder comprises an ethylene-vinyl acetate copolymer and a petroleum resin and 100 parts by weight of the combined binder and 150 to 600 parts by weight of the filler are mixed, or a self-fusion type damping material formed from hard ferrite powder and an auxiliary filler as a filler, if necessary, with a binder, in which the binder comprises an ethylene-vinyl acetate copolymer and a petroleum resin and 100 parts by weight of the combined binder and 100 to 600 parts by weight of said combined filler, in which the amount of said hard ferrite powder is in the range of 50 to 400 parts by weight and that of said auxiliary filler is in the range of 1 to 200 parts by weight, are mixed.

Abstract translation: PCT No.PCT / JP92 / 00534 Sec。 371日期1994年3月23日 102（e）1994年3月23日PCT提交1992年4月24日PCT公布。 公开号WO93 / 22381 日期：1993年11月11日本发明是由硬质铁氧体粉末作为填料与粘合剂形成的自熔型阻尼材料，其中粘合剂包括乙烯 - 乙酸乙烯酯共聚物和石油树脂，和100重量份 混合的粘合剂和150至600重量份的填料混合，或者如果需要，用硬质铁氧体粉末和辅助填料作为填料形成的自熔型阻尼材料，其中粘合剂包含乙烯 乙酸乙烯酯共聚物和石油树脂和100重量份的组合粘合剂和100-600重量份的所述组合填料，其中所述硬质铁氧体粉末的量在50-400重量份的范围内，和 所述辅助填料的量在1〜200重量份的范围内。

公开(公告)号：US5368933A

公开(公告)日：1994-11-29

申请号：US347453

申请日：1993-04-19

Applicant: Koso Aoki ,  Masaaki Fukugauchi ,  Tomoyuki Imai ,  Nanao Horiishi ,  Kazuyuki Hayashi

Inventor： Koso Aoki ,  Masaaki Fukugauchi ,  Tomoyuki Imai ,  Nanao Horiishi ,  Kazuyuki Hayashi

IPC: G11B5/706 ,  G11B5/712 ,  B32B5/16 ,  G11B5/70

CPC classification number: G11B5/712 ,  G11B5/70694 ,  Y10T428/25 ,  Y10T428/256 ,  Y10T428/257 ,  Y10T428/259 ,  Y10T428/2991 ,  Y10T428/2993

Abstract: Disclosed herein is superparamagnetic fine particles of iron oxide having an unsaturated fatty acid adsorbed on the surface of superparamagnetic fine particles and having a magnetization of not less than 50 emu/g, the rate of change of the magnetization of not more than 10%, and an Fe.sup.2+ content (calculated as Fe.sup.2+ /Fe.sup.3+ molar ratio) of 0.16-0.5.

Abstract translation: 本文公开了具有不饱和脂肪酸吸附在超顺磁性细颗粒表面上并且具有不小于50emu / g的磁化强度，不大于10％的磁化强度的氧化铁的超顺磁性细颗粒，以及 Fe2 +含量（以Fe2 + / Fe3 +摩尔比计算）为0.16-0.5。

公开(公告)号：US5336421A

公开(公告)日：1994-08-09

申请号：US104401

申请日：1993-08-10

Applicant: Eiichi Kurita ,  Haruki Kurokawa ,  Kazuo Fujioka

Inventor： Eiichi Kurita ,  Haruki Kurokawa ,  Kazuo Fujioka

IPC: C01G49/00 ,  G03G9/083 ,  G03G9/107 ,  G11B5/706 ,  C04B35/26

CPC classification number: G11B5/70642 ,  C01G49/0063 ,  G03G9/0833 ,  G03G9/0835 ,  G03G9/0836 ,  G03G9/0837 ,  G03G9/107 ,  C01P2002/32 ,  C01P2004/03 ,  C01P2004/32 ,  C01P2006/12 ,  C01P2006/42 ,  C01P2006/60

Abstract: Disclosed herein are spinel-type spherical black iron oxide particles containing 1.5 to 17.0 wt % of Zn, and having a specific surface area of 5 to 15 m.sup.2 /g, a magnetization of not less than 70 emu/g in an external magnetic field of 1 kOe and a coercive force (Hc) of not more than the value obtained from the following expression:Hc(Oe)=15+3.times.(specific surface area of the particles).and a process for producing the same.

Abstract translation: 本文公开了包含1.5〜17.0重量％的Zn，比表面积为5〜15m 2 / g，在外部磁场中的磁化强度为70emu / g以上的尖晶石型球形黑色氧化铁粒子 1kOe和矫顽力（Hc）不大于从下式得到的值：Hc（Oe）= 15 + 3x（颗粒的比表面积）。 及其制造方法。