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公开(公告)号：US20150353795A1
公开(公告)日：2015-12-10
申请号：US14763070
申请日：2014-01-22
Applicant: KONICA MINOLTA, INC.
Inventor： Natsuki ITO , Akihiro MAEZAWA , Atsushi TAKAHASHI , Keisuke MIZOGUCHI , Chie INUI
IPC: C09K3/14
CPC classification number: C09K3/1445 , C01F17/0043 , C01P2002/60 , C01P2004/32 , C01P2004/62 , C01P2004/64 , C01P2004/80 , C01P2004/84 , C23C18/1216 , C23C18/1229
Abstract: An object of the present invention is to provide an inorganic core/shell particle to be contained in an abrasive material that contains a reduced amount of cerium, can polish harder workpieces at a high polishing rate, and can decrease the surface roughness of the workpieces. The inorganic core/shell particle P of the present invention is to be contained in an abrasive material and includes a core (1) containing a salt of at least one element selected from yttrium (Y), titanium (Ti), strontium (Sr), barium (Ba), samarium (Sm), europium (Eu), gadolinium (Gd), and terbium (Tb) and a shell (2) containing a salt of at least one element selected from these eight elements and a salt of cerium (Ce), wherein the crystallites in the shell (2) have an average diameter within a range of 4 to 30 nm.
Abstract translation: 本发明的目的在于提供一种含有少量铈的研磨材料的无机核/壳粒子，能够以高抛光速度对较硬的工件进行抛光，能够降低工件的表面粗糙度。 本发明的无机核/壳粒子P包含在研磨材料中，并且包括含有选自钇（Y），钛（Ti），锶（Sr） ，钡（Ba），钐（Sm），铕（Eu），钆（Gd）和铽（Tb）和含有选自这八元素中的至少一种元素的盐的壳（2） （Ce），其中壳（2）中的微晶的平均直径在4〜30nm的范围内。
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公开(公告)号：US20200379364A1
公开(公告)日：2020-12-03
申请号：US16884798
申请日：2020-05-27
Applicant: Konica Minolta, Inc.
Inventor： Noboru UEDA , Aya SHIRAI , Takaki KAWAMURA , Natsuki ITO , Yusuke TAKIGAURA , Ami MOTOHASHI
Abstract: Provided is an electrostatic latent image developing toner capable of preventing a release agent from adhering to a member such as a paper conveying roller or the like.An electrostatic latent image developing toner contains at least a binder resin, a colorant, and a release agent, wherein the release agent contains at least an ester wax and the ester wax is an ester wax having a total carbon number of 45 or more and 71 or less, and a top temperature of an exothermic peak during cooling of the electrostatic latent image developing toner measured by a differential scanning calorimetry is within a range of 60° C. or higher and 85° C. or lower.
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公开(公告)号：US20240302769A1
公开(公告)日：2024-09-12
申请号：US18591850
申请日：2024-02-29
Applicant: Konica Minolta, Inc.
Inventor： Kazumi OURA , Hiroshi NAGASAWA , Masaharu MATSUBARA , Koji SHIBATA , Akihiko ITAMI , Makoto NOMIYA , Natsuki ITO
CPC classification number: G03G15/1605 , C04B35/47 , G03G9/0819 , G03G21/0005 , G03G2215/0861
Abstract: Disclosed is an image forming method including: developing, with an electrostatic charge image developing toner, a latent image formed on a photoreceptor in which a photosensitive layer is formed on a support containing aluminum as a main component; transferring a toner image on the photoreceptor onto a transfer target; and rubbing and removing the electrostatic charge image developing toner remaining on the photoreceptor after the transferring. The support contains silicon in a range of more than 0.6% by mass and 12.6% by mass or less, a shape factor of toner particles included in the electrostatic charge image developing toner is in a range of 0.800 to 0.970, and a content of the toner particles having a particle diameter of 2 μm or less is in a range of 5% by number to 30% by number.
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Patent Agency Ranking
4.发明申请公开(公告)号：US20180044198A1
公开(公告)日：2018-02-15
申请号：US15555837
申请日：2016-03-02
Applicant: Konica Minolta, Inc.
Inventor： Natsuki ITO , Akihiro MAEZAWA , Keisuke MIZOGUCHI
IPC: C01G9/02
CPC classification number: C01G9/02 , C01G15/00 , C01P2002/02 , C01P2002/52 , C01P2004/03 , C01P2004/32 , C01P2004/54 , C01P2004/61 , C01P2004/62 , C01P2004/64 , C01P2006/60 , G01N21/41 , G01N21/554
Abstract: The present invention addresses the problem of providing spherical zinc oxide particles which have an average particle diameter within a specific range, have excellent monodispersity, and have a high plasmon resonance intensity. Also provided are a process for producing the spherical zinc oxide particles and a plasmon sensor chip obtained using the spherical zinc oxide particles, the chip having high sensitivity and being reduced in angle dependence during measurement. The spherical zinc oxide particles have been doped with one or more metallic elements selected from the group consisting of gallium (Ga), europium (Eu), cerium (Ce), praseodymium (Pr), samarium (Sm), gadolinium (Gd), terbium (Tb), neodymium (Nd), and ytterbium (Yb), have an average particle diameter within the range of 50 to 5,000 nm, and have a variation coefficient in particle diameter distribution within the range of 1.0 to 10%.
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公开(公告)号：US20200379365A1
公开(公告)日：2020-12-03
申请号：US16884817
申请日：2020-05-27
Applicant: Konica Minolta, Inc.
Inventor： Aya SHIRAI , Noboru UEDA , Takaki KAWAMURA , Yusuke TAKIGAURA , Natsuki ITO , Ami MOTOHASHI
Abstract: An object of the present invention is to provide a new electrostatic latent image developing toner capable of suppressing adhesiveness of a release agent to a member such as a roller or the like and capable of suppressing gloss unevenness and gloss memory.An electrostatic latent image developing toner containing a binder resin, a release agent, and a colorant, wherein the binder resin contains a crystalline resin, the release agent contains a hydrocarbon wax having a branching degree of 3 to 52%, and a top temperature of an exothermic peak during cooling of the electrostatic latent image developing toner measured by a differential scanning calorimetry is within a range of 60 to 85° C.
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6.发明申请Polishing Material Particles, Method For Producing Polishing Material, And Polishing Processing Method 有权抛光材料颗粒，抛光材料的制造方法和抛光加工方法公开(公告)号：US20160194538A1
公开(公告)日：2016-07-07
申请号：US14910986
申请日：2014-07-28
Applicant: KONICA MINOLTA, INC.
Inventor： Keisuke MIZOGUCHI , Akihiro MAEZAWA , Natsuki ITO , Atsushi TAKAHASHI , Hideaki WAKAMATSU , Yuuki NAGAI , Chie INUI
CPC classification number: C09K3/1409 , B24C11/00 , C01F17/0043 , C01P2004/03 , C01P2004/32 , C01P2004/52 , C01P2004/54 , C01P2004/61 , C01P2004/62 , C01P2004/64 , C09G1/02 , C09K3/1463
Abstract: Disclosed are polishing material particles which have polishing performance suitable for precision polishing and also have a high polishing speed and high monodispersibility; a polishing material containing the polishing material particles; and a polishing processing method using the polishing material. The polishing material particles are spherical particles having an average aspect ratio of 1.00 to 1.15, wherein the particle diameter (D50 (nm)) of the polishing material particles as determined from a particle diameter cumulative distribution curve falls within the range from 50 to 1500 nm. The average content of cerium or the total content of cerium and at least one element selected from lanthanum (La), praseodymium (Pr), neodymium (Nd), samarium (Sm) and europium (Eu) in the polishing material particles is 81 mol % or more relative to the total content of all of rare earth elements that constitute the polishing material particles.
Abstract translation: 公开了具有适合于精密抛光的抛光性能并且还具有高抛光速度和高单分散性的抛光材料颗粒; 包含抛光材料颗粒的抛光材料; 以及使用研磨材料的研磨处理方法。 抛光材料颗粒是平均纵横比为1.00至1.15的球形颗粒，其中由粒径累积分布曲线确定的抛光材料颗粒的粒径（D50（nm））落在50至1500nm的范围内 。 在研磨材料颗粒中，铈的平均含量或铈和至少一种选自镧（La），镨（Pr），钕（Nd），钐（Sm）和铕（Eu）的元素的含量为81mol 相对于构成抛光材料颗粒的所有稀土元素的总含量为％以上。
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公开(公告)号：US20220004113A1
公开(公告)日：2022-01-06
申请号：US17340471
申请日：2021-06-07
Applicant: Konica Minolta, Inc.
Inventor： Hiroshi NAGASAWA , Yusuke TAKIGAURA , Takaki KAWAMURA , Ami MOTOHASHI , Natsuki ITO , Shiro HIRANO
Abstract: A toner set includes a plurality of toners, wherein the toner set includes a first toner containing a yellow colorant and a second toner containing a cyan colorant, the first toner and the second toner each contain a binder resin containing a vinyl-based resin and a crystalline resin, and a release agent containing a hydrocarbon wax, a content of the vinyl-based resin with respect to a total mass of the binder resin is 50% by mass or more, the first toner contains the crystalline resin having a moiety having a crystal structure and a crystal nucleating agent moiety having a crystal nucleating agent, and the second toner contains the cyan colorant that is a compound represented by general formula (1).
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8.发明申请公开(公告)号：US20210063905A1
公开(公告)日：2021-03-04
申请号：US16993352
申请日：2020-08-14
Applicant: Konica Minolta, Inc.
Inventor： Takaki KAWAMURA , Noboru UEDA , Natsuki ITO , Yusuke TAKIGAURA , Ami MOTOHASHI
Abstract: An electrostatic latent image developing toner set of the present invention is an electrostatic latent image developing toner set including at least a yellow toner, a magenta toner, and a cyan toner, wherein when exothermic peak top temperatures during decreasing temperature in differential scanning calorimetry of the yellow toner, the magenta toner, and the cyan toner are assumed to be P(Y), P(M), and P(C), respectively, the exothermic peak top temperatures satisfy the following expression (1). 70≤P(Y)≤P(M)≤P(C)≤90(° C.) (1)
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