Ricoh Company, Ltd.

Sony Corporation

Hikaru Kobayashi

Tomohiro Nakagawa

Juichi Furukawa

Hidefumi Nagashima

Naohiro Toda

Masahiro Kido

Yuta Nakamura

Hiroaki Takahashi

Michihiko Namba

Noriaki Okada

Masaaki Tsuda

Yukihiro Imanaga

Takahiro Yoshida

Akiko Bannai

Ichiroh Fujii

Shizuka Kohzuki

Masahiro Uehara

Naoto Shimura

Hideki Wanami

Mitsuyoshi Shindo

Kiyotaka Dochi

A print method includes applying a first ink to a recording medium to form a first ink print layer, drying the first ink print layer to a drying ratio of 30 percent or less, and applying a second ink having a color different from that of the first ink to the first ink print layer to form a second ink print layer thereon, wherein the first ink includes a urethane resin particle and a water-soluble organic solvent having a boiling point of from 100 to 180 degrees C. or &#x3b2;-alkoxy propionamide of Chemical formula I, 

Print method, ink set, and inkjet print device

A cleaning liquid for rinsing an ink adhering to an article includes water and a first organic solvent, wherein a liquid mixture of the water and the first organic solvent has a Hansen solubility parameter including a hydrogen bond term of 10.0 (cal/cm)or less, wherein the ink includes water, a second organic solvent, a polyurethane resin particle, and a polysiloxane surfactant having an HLB value of 8 or less, wherein the polyurethane resin particle accounts for 5 percent by mass or more of a total amount of the ink.

Cleaning liquid, container, inkjet printing method, inkjet printing device, and set of ink and cleaning liquid

An ink including: water; at least one organic solvent; a polysiloxane surfactant; and acryl-silicone resin particles, where the polysiloxane surfactant has an HLB value of 8 or less.

Ink, inkjet printing apparatus, inkjet printing method, and printed matter

An ink set that includes a first ink and a second ink each containing coloring agent, surfactant, organic solvent, resin, and water. The mix SP value of the organic solvent and the water of the first ink is larger than the mix SP value of the organic solvent and the water of the second ink. An ink-jet recording method using the ink set.

Ink set and ink-jet recording method

A white ink containing one or more organic solvents including 40 percent by mass or more of an amide compound of formula 1 is provided: wherein, Rrepresents a straight-chained or branch-chained alkyl group having one to six carbon atoms, Rand Reach, independently represent hydrogen atoms or straight-chained or branch-chained alkyl groups having 1 to 4 carbon atoms.

White ink, ink set, recording method, ink container, and inkjet recording device

Provided is an ink containing water, a color material, an acrylic resin, urethane resin particles, and at least one organic solvent, wherein the at least one organic solvent includes 3-methyl-3-methoxy-1-butanol.

Ink, ink cartridge, inkjet recording apparatus, inkjet recording method, and recorded matter

Ink includes water, an organic solvent, a surfactant including a silicon-based surfactant, and a resin including a polyester-based urethane resin having a polyolefin portion.

Ink, inkjet recording method, and inkjet recorded matter

An ink for inkjet includes water; two or more hydrosoluble organic solvents; a pigment; and a resin particle more than the pigment by weight. A hydrosoluble organic solvent A having the smallest SP value and a hydrosoluble organic solvent B having the largest SP among the two or more hydrosoluble organic solvents satisfy the following relations (1) and (2):value of hydrosoluble organic solventvalue of hydrosoluble organic solvent&#x2267;3&#x2003;&#x2003;(1)boiling point of hydrosoluble organic solvent&#x3e;boiling point of hydrosoluble organic solvent&#x2003;&#x2003;(2).

Ink for inkjet and inkjet recording method

An inkjet ink set is provided. The inkjet ink set includes a first ink including a resin A and an organic solvent A; and a second ink including a resin B and an organic solvent which is the same as or different from the organic solvent A. The minimum film forming temperature (MFT) of the resin A is lower than that of the resin B.

Inkjet ink, inkjet recording method using the inkjet ink, and print formed by the inkjet ink

An ink contains a colorant, a water soluble organic solvent, a silicone-based surfactant, a compound represented by the following chemical formula 1, and water, wherein the water soluble organic solvent having a boiling point of 250&#xb0; C. or higher accounts for 38% by weight or less in a total amount of the water soluble organic solvent,  where Rand Reach, independently represent aliphatic hydrocarbon groups having 3 to 6 carbon atoms with forks and Rand Reach, independently represent alkyl groups having one to two carbon atoms, and n represents an integer of from 1 to 6.

Ink, inkjet recording method, ink cartridge, recorded matter, and inkjet recording device

An ink set for inkjet contains a white ink and one or more color inks other than the white ink, wherein the ink set satisfies the following I to III:

Ink set for inkjet and inkjet recording method

An ink contains water, a hydrosoluble organic solvent, a colorant, a resin A; and a resin B, wherein the content of the resin B is from 0.5% by weight to less than 10% by weight to the content of the resin A and the resin B has a minimum film-forming temperature at least 30&#xb0; C. lower than that of the resin A.

Ink, inkjet recording method, and recorded matter

A printer that uses a roll-shaped printing medium comprising a printing surface on which images are printed, a releasably adhered printing portion, and a release portion holding the adhered printing portion includes a conveying device conveying the printing medium while pulling out the printing medium by a predetermined amount every time an image is to be printed; a printing member printing an image with respect to the printing medium conveyed by the conveying device; a half-cutting unit cutting off the printing portion of the printing medium except for the release portion, along the conveying direction of the image printed by the printing member, at the interval corresponding to the dimension of the image in the width direction perpendicular to the conveying direction; and a cutting unit cutting the printing medium along the width direction, at the positions corresponding to the dimension of the aforementioned image in the conveying direction.

Printer and roll-shaped printing medium therefor

A photographic apparatus is described which outputs a photographed image immediately to paper by a simple operation. The photographic apparatus includes an electronic camera for electronically acquiring an image, a connection base for removably connecting the electronic camera thereto, the connection base having a function of reading out image data from the electronic camera while the camera is connected thereto, and a printing section for acquiring the image data from the connection base and outputting an image based on the image data to paper.

Growing community of inventors

Kanagawa, Japan

Hikaru Kobayashi