专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2019004488A8 INK, INK SET, INK CONTAINER, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：WO2019004488A8
公开(公告)日：2019-01-03
申请号：PCT/JP2018/025797
申请日：2018-06-27
申请人： RICOH COMPANY, LTD. , GOTOU, Hiroshi , MASUDA, Yoshiaki , ISHIKAWA, Masahiko , KUDO, Masaki , UMEMURA, Kazuhiko , KATOH, Keita , MATSUYAMA, Akihiko , NONOGAKI, Masayasu , SHIBUYA, Takeshi
发明人： GOTOU, Hiroshi , MASUDA, Yoshiaki , ISHIKAWA, Masahiko , KUDO, Masaki , UMEMURA, Kazuhiko , KATOH, Keita , MATSUYAMA, Akihiko , NONOGAKI, Masayasu , SHIBUYA, Takeshi
IPC分类号： C09D11/38 , C09D11/40
摘要： An ink contains at least one kind of polyether-modified siloxane compound and at least one kind of aliphatic alcohol alkylene oxide compound.

2. 发明申请

WO2022138802A1 IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：WO2022138802A1
公开(公告)日：2022-06-30
申请号：PCT/JP2021/047808
申请日：2021-12-23
申请人： RICOH COMPANY, LTD. , FURUICHI, Yuusuke , HASE, Takamasa , SEO, Hiroshi , SUGIURA, Hideki , KOEDA, Maiko , ISHIKAWA, Masahiko
发明人： FURUICHI, Yuusuke , HASE, Takamasa , SEO, Hiroshi , SUGIURA, Hideki , KOEDA, Maiko , ISHIKAWA, Masahiko
IPC分类号： G03G9/08 , G03G15/08 , G03G15/20 , G03G21/20
摘要： Provided is an image forming apparatus including a toner, and a fixing device configured to fix an image formed with the toner on a recording medium. The fixing device includes a fixing belt that is an endless belt, and a planar member configured to heat the fixing belt. An environmental fluctuation rate X is 45% or greater but 85% or less, and the environmental fluctuation rate X is represented by: Environmental fluctuation rate X = (Q1－Q2)/{(Q1＋Q2)/2} where Q1 is a quantity of electric charge of the toner in an environment having a temperature of 10 degrees Celsius and relative humidity of 15%, Q2 is a quantity of electric charge of the toner in an environment having a temperature of 27 degrees Celsius and relative humidity of 80%, and a unit for Q1 and Q2 is μC/g.

3. 发明申请

WO2019004488A1 INK, INK SET, INK CONTAINER, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：WO2019004488A1
公开(公告)日：2019-01-03
申请号：PCT/JP2018/025797
申请日：2018-06-27
申请人： RICOH COMPANY, LTD. , GOTOU, Hiroshi , MASUDA, Yoshiaki , ISHIKAWA, Masahiko , KUDO, Masaki , UMEURA, Kazuhiko , KATOH, Keita , MATSUYAMA, Akihiko , NONOGAKI, Masayasu , SHIBUYA, Takeshi
发明人： GOTOU, Hiroshi , MASUDA, Yoshiaki , ISHIKAWA, Masahiko , KUDO, Masaki , UMEURA, Kazuhiko , KATOH, Keita , MATSUYAMA, Akihiko , NONOGAKI, Masayasu , SHIBUYA, Takeshi
IPC分类号： C09D11/38 , C09D11/40
摘要： An ink contains at least one kind of polyether-modified siloxane compound and at least one kind of aliphatic alcohol alkylene oxide compound.

4. 发明授权

EP3093316B1 INK, INK CONTAINER, AND IMAGE FORMING APPARATUS 有权
公开(公告)号：EP3093316B1
公开(公告)日：2018-08-01
申请号：EP16169694.3
申请日：2016-05-13
申请人： Ricoh Company, Ltd.
发明人： GOTOU, Hiroshi , ISHIKAWA, Masahiko
IPC分类号： C09D11/322 , C09D11/38
CPC分类号： C09D11/322 , C09D11/38
摘要： Provided is an ink containing a colorant, an organic solvent, and water, wherein the ink contains as the organic solvent, at least one kind of an organic solvent having a solubility parameter of greater than or equal to 9 but less than 11.8, wherein a content of the organic solvent having a solubility parameter of greater than or equal to 9 but less than 11.8 is greater than or equal to 20% by mass of a total amount of the ink, wherein a dynamic surface tension A of the ink at 25°C at a surface lifetime, measured by a maximum foaming pressure method, of 15 msec is less than or equal to 34.0 mN/m, and wherein the dynamic surface tension A and a static surface tension B of the ink at 25°C satisfy a formula of 10.0%‰¤[(A-B)/(A+B)]×100‰¤19.0%.

5. 发明公开

EP3093316A1 INK, INK CONTAINER, AND IMAGE FORMING APPARATUS 有权
标题翻译： TINTE，TINTENBEHÄLTERUND BILDERZEUGUNGSVORRICHTUNG
公开(公告)号：EP3093316A1
公开(公告)日：2016-11-16
申请号：EP16169694.3
申请日：2016-05-13
申请人： Ricoh Company, Ltd.
发明人： GOTOU, Hiroshi , ISHIKAWA, Masahiko
IPC分类号： C09D11/322 , C09D11/38
CPC分类号： C09D11/322 , C09D11/38
摘要： Provided is an ink containing a colorant, an organic solvent, and water, wherein the ink contains as the organic solvent, at least one kind of an organic solvent having a solubility parameter of greater than or equal to 9 but less than 11.8, wherein a content of the organic solvent having a solubility parameter of greater than or equal to 9 but less than 11.8 is greater than or equal to 20% by mass of a total amount of the ink, wherein a dynamic surface tension A of the ink at 25°C at a surface lifetime, measured by a maximum foaming pressure method, of 15 msec is less than or equal to 34.0 mN/m, and wherein the dynamic surface tension A and a static surface tension B of the ink at 25°C satisfy a formula of 10.0%≤[(A-B)/(A+B)]×100≤19.0%.
摘要翻译：提供含有着色剂，有机溶剂和水的油墨，其中油墨含有有机溶剂，溶解度参数大于或等于9但小于11.8的至少一种有机溶剂，其中a 具有大于或等于9但小于11.8的溶解度参数的有机溶剂的含量大于或等于油墨总量的20质量％，其中在25℃下的油墨的动态表面张力A 在15毫秒的最大发泡压力法测定的表面寿命C小于或等于34.0毫安/米，其中25℃下的动态表面张力A和静态表面张力B满足a 公式10.0％¤[（AB）/（A + B）]×100‰¤19.0％。

6. 发明公开

EP4268021A1 IMAGE FORMING APPARATUS 审中-实审
公开(公告)号：EP4268021A1
公开(公告)日：2023-11-01
申请号：EP21844417.2
申请日：2021-12-23
申请人： Ricoh Company, Ltd.
发明人： FURUICHI, Yuusuke , HASE, Takamasa , SEO, Hiroshi , SUGIURA, Hideki , KOEDA, Maiko , ISHIKAWA, Masahiko
IPC分类号： G03G9/08 , G03G15/08 , G03G15/20 , G03G21/20

7. 发明授权

EP3136176B1 TONER, AND METHOD FOR MANUFACTURING TONER 有权
公开(公告)号：EP3136176B1
公开(公告)日：2018-06-13
申请号：EP15782409.5
申请日：2015-03-24
申请人： Ricoh Company, Ltd.
发明人： INOUE, Ryota , MORIYA, Yoshihiro , ISHIKAWA, Masahiko , TAKAHASHI, Satoshi , YAMAGUCHI, Tatsuki , KOJIMA, Satoshi
IPC分类号： G03G9/08 , G03G9/087
CPC分类号： G03G9/0819 , G03G9/0804 , G03G9/081 , G03G9/0825 , G03G9/0827 , G03G9/08711 , G03G9/08755 , G03G9/08782 , G03G9/0904 , G03G9/09378 , G03G9/1075 , G03G9/1136
摘要： A toner including: binder resin; and release agent, wherein the release agent is 1% to 8% by mass to the toner, as equivalent mass of endothermic amount of the release agent determined by DSC, wherein the release agent present in region from surface of the toner to 0.3 µm depth is 0.1% to 4% by mass, as determined by FTIR-ATR, and wherein, in TEM image of torn surface of the toner, WDa

8. 发明公开

EP3279278A1 INK, IMAGE FORMING METHOD, AND LIQUID DISCHARGING DEVICE 有权
标题翻译：油墨，图像形成方法和液体排出装置
公开(公告)号：EP3279278A1
公开(公告)日：2018-02-07
申请号：EP17183972.3
申请日：2017-07-31
申请人： Ricoh Company, Ltd.
发明人： GOTOU, Hiroshi , ISHIKAWA, Masahiko
IPC分类号： C09D11/106 , C09D11/322 , C09D11/38
CPC分类号： C09D11/107 , B41J2/01 , C09D11/00 , C09D11/03 , C09D11/033 , C09D11/037 , C09D11/106 , C09D11/322 , C09D11/324 , C09D11/36 , C09D11/38
摘要： An ink includes a coloring material, one or more organic solvents, a resin particle including a structure unit having a carboxyl group and a structure unit having an alkoxysilyl group, and water. The one or more organic solvents includes at least one organic solvent having a solubility parameter of 8.96 to less than 11.8. The ink has a dynamic surface tension A of 34.0 mN/m or less for a surface life of 15 msec at 25 degrees C according to maximum bubble pressure technique. The dynamic surface tension A and a static surface tension B of the ink at 25 degrees C satisfy the following relation: 10.0 percent ≤ [(A-B)/(A+B) x 100 ≤ 19.0 percent.
摘要翻译：墨包含着色材料，一种或多种有机溶剂，包含具有羧基的结构单元和具有烷氧基甲硅烷基的结构单元的树脂颗粒以及水。一种或多种有机溶剂包括至少一种溶解度参数为8.96至小于11.8的有机溶剂。根据最大气泡压力技术，油墨在25摄氏度下表面寿命为15毫秒时的动态表面张力A为34.0mN / m或更小。油墨在25℃下的动态表面张力A和静态表面张力B满足以下关系：10.0％≤[（A-B）/（A + B）×100≤19.0％。

9. 发明公开

EP3079017A1 TONER, IMAGE FORMATION DEVICE, AND PROCESS CARTRIDGE 有权
标题翻译： TONER，BILDERZEUGUNGSVORRICHTUNG UND PROZESSKARTUSCHE
公开(公告)号：EP3079017A1
公开(公告)日：2016-10-12
申请号：EP14867646.3
申请日：2014-12-03
申请人： Ricoh Company, Ltd.
发明人： INOUE, Ryota , MORIYA, Yoshihiro , ISHIKAWA, Masahiko , TAKAHASHI, Satoshi , YAMAGUCHI, Tatsuki
IPC分类号： G03G9/08 , G03G21/00 , G03G9/097 , G03G9/087
CPC分类号： G03G15/161 , G03G9/0804 , G03G9/0817 , G03G9/0819 , G03G9/0827 , G03G9/08782 , G03G9/09716 , G03G9/09725 , G03G21/00 , G03G21/0011 , G03G21/18
摘要： A toner including a binder resin and a release agent, wherein the toner has a second peak particle diameter in a range of from 1.21 times through 1.31 times as large as a most frequent diameter in a volume basis particle size distribution, and wherein the toner has a particle size distribution (volume average particle diameter/number average particle diameter) in a range of from 1.08 through 1.15.
摘要翻译：一种包含粘合剂树脂和脱模剂的调色剂，其中所述调色剂的第二峰值粒径在体积基础粒度分布中的最大直径的1.21倍至1.31倍的范围内，并且其中调色剂具有粒度分布（体积平均粒径/数均粒径）在1.08〜1.15的范围内。

10. 发明授权

EP3196701B1 METHOD OF PRODUCING A TONER 有权
公开(公告)号：EP3196701B1
公开(公告)日：2020-11-18
申请号：EP15829885.1
申请日：2015-07-17
申请人： Ricoh Company, Ltd.
发明人： TAKAHASHI, Satoshi , MORIYA, Yoshihiro , INOUE, Ryota , ISHIKAWA, Masahiko , YAMAGUCHI, Tatsuki , KOJIMA, Satoshi
IPC分类号： G03G9/08 , G03G9/087

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式