公开(公告)号：US11499062B2

公开(公告)日：2022-11-15

申请号：US16611141

申请日：2018-06-27

申请人： RICOH COMPANY, LTD.

发明人： Hiroshi Gotou ,  Yoshiaki Masuda ,  Masahiko Ishikawa ,  Masaki Kudo ,  Kazuhiko Umemura ,  Keita Katoh ,  Akihiko Matsuyama ,  Masayasu Nonogaki ,  Takeshi Shibuya

IPC分类号： C09D11/102 ,  C09D11/107 ,  C09D11/36 ,  C09D11/38 ,  C09D11/40 ,  B41M5/00

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.

公开(公告)号：US11851569B2

公开(公告)日：2023-12-26

申请号：US17209609

申请日：2021-03-23

申请人： RICOH COMPANY, LTD.

发明人： Tomohiro Hirade ,  Masaki Kudo ,  Mio Akima

IPC分类号： C09D11/037 ,  C09D11/033 ,  C08K3/22 ,  C08K3/36 ,  B41M5/00

CPC分类号： C09D11/037 ,  B41M5/0023 ,  C08K3/22 ,  C08K3/36 ,  C09D11/033 ,  C08K2003/2237

摘要： Provided is an ink including water, an organic solvent, resin particles, a first inorganic pigment, and a second inorganic pigment. The first inorganic pigment comprises particulate titanium oxide. The second inorganic pigment comprises at least one selected from the group consisting of acicular titanium oxide, fusiform titanium oxide, and silica particles.

公开(公告)号：US11274221B2

公开(公告)日：2022-03-15

申请号：US16169621

申请日：2018-10-24

申请人： RICOH COMPANY, LTD.

发明人： Kazuhiko Umemura ,  Yuuki Yokohama ,  Akihiko Matsuyama ,  Amika Sagara ,  Masaki Kudo ,  Mayumi Yoshihara ,  Kento Sugita

IPC分类号： C09D11/00 ,  C09D11/102 ,  C09D11/322 ,  C09D11/40 ,  C09D11/38 ,  C09D183/12 ,  C09D1/00 ,  C09D4/00 ,  C09D5/00 ,  C09K3/00 ,  C08L83/06 ,  C08G77/46

摘要： An ink includes at least one polyether-modified siloxane compound, and at least one aliphatic alcohol alkylene oxide compound. The mass ratio of the polyether-modified siloxane compound to the aliphatic alcohol alkylene oxide compound in the ink is from 95/5 to 50/50.

公开(公告)号：US11104137B2

公开(公告)日：2021-08-31

申请号：US16820124

申请日：2020-03-16

申请人： RICOH COMPANY, LTD.

发明人： Yuichi Tanioku ,  Hisashi Habashi ,  Yuusuke Koizuka ,  Koji Katsuragi ,  Yuuki Yokohama ,  Masaki Kudo

IPC分类号： B41J2/17 ,  B41J2/165

摘要： Provided is a liquid discharging apparatus including a liquid discharging unit configured to discharge a liquid, and a dummy discharge receptacle including an absorbing member configured to absorb a liquid dummy-discharged by the liquid discharging unit, wherein the liquid discharging unit discharges a liquid having a resin content of 5% by mass or greater, and wherein the absorbing member of the dummy discharge receptacle is formed of melamine foam.