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公开(公告)号：US10828827B2
公开(公告)日：2020-11-10
申请号：US15022054
申请日：2014-09-29
申请人： RICOH COMPANY, LTD.
发明人： Teruki Kusahara , Masaki Watanabe , Keiko Osaka , Mitsuru Naruse , Mariko Kojima , Yasuyuki Yamashita , Yoshihiro Norikane
IPC分类号： B29C64/153 , B29C64/165 , B33Y70/00 , B33Y10/00 , B33Y30/00 , B28B1/00 , B28B7/46 , B22F1/00 , C04B20/10 , B22F3/00 , C04B26/04 , B22F3/105 , C04B111/00 , B29K29/00 , B29K105/00
摘要： Provided is a three-dimensional object formation method for forming a three-dimensional object by at least repeating: forming a powder material layer using a powder material for three-dimensional object formation containing a base material coated with an organic material; and hardening a predetermined region of the powder material layer by delivering a hardening liquid to the powder material layer formed in the formation of a powder material layer, where the hardening liquid contains a cross-linking agent cross-linkable with the organic material.
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公开(公告)号：US11241825B2
公开(公告)日：2022-02-08
申请号：US16555751
申请日：2019-08-29
申请人： RICOH COMPANY, LTD.
发明人： Yunsheng Sun , Toshiyuki Mutoh , Hitoshi Iwatsuki , Shigenori Yaguchi , Mitsuru Naruse , Sohichiroh Iida
IPC分类号： B29C64/153 , B33Y10/00 , B33Y70/00 , B29C64/20 , B33Y30/00 , C08G69/00 , B29K101/12 , C08G69/26
摘要： A resin powder contains a resin, wherein the proportion of fine powder having a number diameter of 40 percent or less of a mean number diameter Mn of the resin powder is 30 percent or less in the resin powder.
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公开(公告)号：US09267046B2
公开(公告)日：2016-02-23
申请号：US14712472
申请日：2015-05-14
申请人： RICOH COMPANY, LTD.
IPC分类号： C09D11/322 , C09D11/36 , C09D11/326 , C08K5/3437
CPC分类号： C09D11/36 , C08K5/3437 , C09D11/322 , C09D11/326 , Y10T428/24802 , Y10T428/24901
摘要： Inkjet ink contains a pigment, a hydrosoluble solvent, and water, wherein the pigment is represented by the following chemical formula 1 and has a CuKα X-ray diffraction spectrum having a wavelength of 1.541 Å such that no main peak is observed at a Bragg (2θ±0.2°) angle in a range of 2θ of from 28.0° to 29.0°, wherein R represents a hydrogen atom, a methyl group, or a chlorine atom.
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公开(公告)号：US11590685B2
公开(公告)日：2023-02-28
申请号：US16558492
申请日：2019-09-03
申请人： RICOH COMPANY, LTD.
摘要： A fiber aggregation contains fiber containing a thermoplastic resin, each of the fiber being mutually joined and aligned.
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5.发明授权公开(公告)号：US11472958B2
公开(公告)日：2022-10-18
申请号：US16268529
申请日：2019-02-06
申请人： RICOH COMPANY, LTD.
发明人： Mitsuru Naruse , Akira Saito , Hitoshi Iwatsuki , Yasuyuki Yamashita , Toshiyuki Mutoh , Yasutomo Aman , Kiichi Kamoda , Sohichiroh Iida , Shinzo Higuchi , Toshiyuki Iseki
IPC分类号： C08L67/02 , B29C64/153 , B33Y70/00 , C08J3/12 , B29B9/04 , B29B9/16 , B29B9/12 , B33Y10/00 , B29K105/00 , B33Y30/00 , B29B9/06
摘要： A powder for solid freeform fabrication includes a first resin particle and a second resin particle, wherein MFR2 is greater than MFR1 and a ratio of MFR2 to MFR1 is from 2 to 5, where MFR1 represents a melt mass-flow rate (MFR) of the first resin particle and MFR2 represents a melt mass-flow rate of the second resin particle.
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公开(公告)号：US11628617B2
公开(公告)日：2023-04-18
申请号：US17077701
申请日：2020-10-22
申请人： RICOH COMPANY, LTD.
发明人： Teruki Kusahara , Masaki Watanabe , Keiko Osaka , Mitsuru Naruse , Mariko Kojima , Yasuyuki Yamashita , Yoshihiro Norikane
IPC分类号： B29C64/153 , B33Y10/00 , B33Y30/00 , B28B1/00 , B28B7/46 , C04B20/10 , C04B26/04 , B29C64/165 , B22F10/00 , B22F1/102 , B22F1/107 , B33Y70/10 , B22F10/16 , C04B111/00 , B29K29/00 , B29K105/00
摘要： Provided is a three-dimensional object formation method for forming a three-dimensional object by at least repeating: forming a powder material layer using a powder material for three-dimensional object formation containing a base material coated with an organic material; and hardening a predetermined region of the powder material layer by delivering a hardening liquid to the powder material layer formed in the formation of a powder material layer, where the hardening liquid contains a cross-linking agent cross-linkable with the organic material.
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7.发明授权Ink composition, ink cartridge, inkjet recording device, and inkjet printed matter 有权油墨组合物，墨盒，喷墨记录装置和喷墨印刷品公开(公告)号：US09359522B2
公开(公告)日：2016-06-07
申请号：US14463886
申请日：2014-08-20
申请人： RICOH COMPANY, LTD.
发明人： Akihiko Matsuyama , Mitsuru Naruse , Masayasu Nonogaki , Keita Katoh , Kazukiyo Nagai , Yuusuke Koizuka
IPC分类号： C09D143/02 , C08K5/3437
CPC分类号： C09D143/02 , C08K5/3437 , Y10T428/24802
摘要： An ink composition contains a pigment; a copolymer containing a phosphoric acid group or phosphonic acid group; a hydrosoluble solvent; and water, wherein the pigment is represented by the following chemical formula 1 and satisfies the following relation 1: Y
摘要翻译： 油墨组合物含有颜料; 含有磷酸基或膦酸基的共聚物; 水溶性溶剂; 和水，其中颜料由以下化学式1表示，并且满足以下关系1：Y
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8.发明授权Inkjet ink, ink cartridge, inkjet recording device, and inkjet printed matter 有权喷墨墨水，墨盒，喷墨记录装置和喷墨印刷品公开(公告)号：US09150745B2
公开(公告)日：2015-10-06
申请号：US13974367
申请日：2013-08-23
申请人： RICOH COMPANY, LTD.
IPC分类号： C09D11/322 , C09D11/326
CPC分类号： C09D11/36 , C08K5/3437 , C09D11/322 , C09D11/326 , Y10T428/24802 , Y10T428/24901
摘要： Inkjet ink contains a pigment, a hydrosoluble solvent, and water, wherein the pigment is represented by the following chemical formula 1 and has a CuKα X-ray diffraction spectrum having a wavelength of 1.541 Å such that no main peak is observed at a Bragg (2θ±0.2°) angle in a range of 2θ of from 28.0° to 29.0°, wherein R represents a hydrogen atom, a methyl group, or a chlorine atom.
摘要翻译： 喷墨油墨含有颜料，水溶性溶剂和水，其中颜料由以下化学式1表示，并且具有波长为1.541的CuKαX射线衍射光谱，使得在布拉格（Bragg）处没有观察到主峰 2＆thetas;±0.2°）角度在2＆amp;该范围内; 为28.0°〜29.0°，R为氢原子，甲基或氯原子。
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9.发明授权Ink composition, recording method, printed matter, ink cartridge, and inkjet recording device 有权油墨组合物，记录方法，印刷品，墨盒和喷墨记录装置公开(公告)号：US09139749B2
公开(公告)日：2015-09-22
申请号：US14025241
申请日：2013-09-12
申请人： Ricoh Company, Ltd.
发明人： Akihiko Matsuyama , Mitsuru Naruse , Masayasu Nonogaki , Minoru Hakiri , Keita Katoh , Kazukiyo Nagai , Yuusuke Koizuka
IPC分类号： C09D11/322 , C09D11/326 , B41J2/175
CPC分类号： C09D11/322 , B41J2/17503
摘要： An ink composition contains a pigment represented by the following chemical formula 1; a hydrosoluble solvent; and water, wherein the pigment satisfies the following relation 1:0.040
摘要翻译： 油墨组合物含有由以下化学式1表示的颜料; 水溶性溶剂; 和水，其中所述颜料满足以下关系1：0.040
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