Ricoh Company, Ltd.

Fujifilm Business Innovation Corp.

Sanyo Chemical Industries, Ltd.

Hideki Sugiura

Takamasa Hase

Satoshi Mochizuki

Yasuo Asahina

Shinya Nakayama

Tomoyuki Ichikawa

Yasuaki Iwamoto

Kazuhiko Umemura

Koichi Sakata

Osamu Uchinokura

Hisashi Nakajima

Akihiro Kotsugai

Minoru Masuda

Masayuki Ishii

Masami Tomita

Fumihiro Sasaki

Hitoshi Iwatsuki

Tomomi Suzuki

Hiroto Higuchi

Hiroshi Yamashita

Yuusuke Furuichi

Takahiro Honda

Hiroshi Yamada

Shigeru Emoto

Daisuke Inoue

Tomio Kondou

Junichi Awamura

Shinichiro Yagi

Toshiki Nanya

Naohito Shimota

Satoshi Kojima

Kousuke Suzuki

Toyoshi Sawada

Hiroshi Seo

Shinichi Kuramoto

Hiroyuki Fushimi

Takuya Saito

Chiyoshi Nozaki

Tsuneyasu Nagatomo

Taichi Nemoto

Hyo Shu

Masahiko Ishikawa

Tomoko Utsumi

Yuka Mizoguchi

Mio Kumai

Tomomi Tamura

Azumi Miyaake

Kohsuke Suzuki

Tadao Takikawa

Toshihiko Kinsho

Hidetoshi Noda

Shuhei Yahiro

Sonoh Matsuoka

Yoshihiro Suguro

Hachiroh Tosaka

Maiko Koeda

Maiko Kabu

Kohichi Sakata

Hitoshi Ueda

Ken Umehara

Toshihiko Sugiyama

Yutaka Yoshida

Naoko Morisawa

Yuka Sakaguchi

Tadao Sanyo Chemical Industries Ltd Takikawa

Hidetoshi Sanyo Chemical Industries Ltd Noda

Toshihiko Sanyo Chemical Industries Ltd Kinsho

Shuhei Sanyo Chemical Industries Ltd Yahiro

Naohito Bell Shine Takehara A-103 Shimota

Tomoyuki Dai6 Sumika Bldg 206 Ichikawa

Koichi Takashimahoncho M's 503 Sakata

Toshihiko c/o Sanyo Chemical Ind Ltd Kinsho

Hidetoshi c/o Sanyo Chemical Ind Ltd Noda

Yutaka c/o Sanyo Chemical Ind Ltd Yoshida

Shuhei c/o Sanyo Chemical Ind Ltd Yahiro

Tadao c/o Sanyo Chemical Ind Ltd Takikawa

Shinya Grand River Ave 201 Nakayama

Tomoko Green Grass Utsumi

Masami Pasco Grand Mansion Shinnumazu 302 Tomita

Shinya Grand River A 201 Nakayama

Shinya Gran River Avenue 201 Nakayama

A toner for electrostatic charge image development, wherein a spin-spin relaxation time of the toner at 90&#xb0; C. is 0.30 msec or more but 1.50 msec or less, and a spin-spin relaxation time of the toner at 50&#xb0; C. is 0.0185 msec or more but 0.0300 msec or less, the spin-spin relaxation time of the toner at 90&#xb0; C. and the spin-spin relaxation time of the toner at 50&#xb0; C. being obtained by Hahn echo method of pulse NMR analysis.

Toner for electrostatic charge image development, toner stored unit, image forming apparatus, and image forming method

An aliphatic polyester resin composition including: an aliphatic polyester resin; and calcium carbonate, wherein an amount of the calcium carbonate in the aliphatic polyester resin composition is 20% by mass or more, a number average particle diameter of the calcium carbonate in the aliphatic polyester resin composition is 0.20 &#x3bc;m or more but less than 0.40 &#x3bc;m, and a standard deviation of the number average particle diameter is 0.3 or more but 0.6 or less.

Aliphatic polyester resin composition, method for producing the same, and produced product

A printed matter processing apparatus includes an acquisition unit that acquires image data of an environment in which a printed matter is set, a display unit, and a processor configured to, by executing a program, input the image data acquired by the acquisition unit, display how the printed matter is seen in a case where the printed matter is set in the environment on the display unit, by a composited image in which the printed matter is composited in the image data in accordance with a printing condition of the printed matter, and decide the printing condition of the printed matter by changing and displaying the printing condition of the printed matter in accordance with a user operation, and output the printing condition of the printed matter without outputting the image data.

Printed matter processing apparatus and non-transitory computer readable medium storing program

A printed matter processing apparatus includes an acquisition unit that acquires image data of an environment in which a printed matter is set, a processor, and a display unit, in which the processor configured to, by executing a program, input the image data acquired by the acquisition unit, display how the printed matter is seen in a case where the printed matter is set in the environment on the display unit, by compositing the printed matter in the image data in accordance with a printing condition of the printed matter, and decide the printing condition of the printed matter by changing the printing condition of the printed matter in accordance with a user operation and displaying the printed matter.

Printed matter processing apparatus and non-transitory computer readable medium storing program for creating printed matter based on environment

A toner, including a binder resin, a release agent, and a colorant, wherein a total amount of hydrocarbon compounds having 33 to 35 carbon atoms in the toner measured by ion attachment mass spectrometry (IAMS) is 40% to 70% in terms of a signal intensity ratio.

Toner, two-component developer, and color-image forming apparatus

A toner of the present invention includes at least a colorant and a resin, has crystallinity CX or 20 or greater, and has a dynamic viscoelasticity characteristic in which a logarithmic value Log G'(50) of storage elastic modulus (Pa) at 50&#xb0; C. is from 6.5 to 8.0 and a logarithmic value Log G&#x2032;(65) of storage elastic modulus (Pa) at 65&#xb0; C. is from 4.5 to 6.0, when the dynamic viscoelasticity characteristic is measured by temperature sweep from 40&#xb0; C., at a frequency of 1 Hz, at a strain amount control of 0.1%, and at a temperature elevating rate of 2&#xb0; C./min.

Toner, image forming apparatus, image forming method, process cartridge, and developer

Provided is [i] a toner including at least a colorant, a resin, and a releasing agent, wherein a spin-spin relaxation time (t) of the toner at 90&#xb0; C. obtained by Hahn Echo method of pulse NMR analysis is from 1.80 msec to 7.00 msec. Also provided is [ii] a toner according to [i], wherein the spin-spin relaxation time (t) of the toner at 90&#xb0; C. obtained by Hahn Echo method of pulse NMR analysis is from 3.80 msec to 5.90 msec.

Toner and two-component developer

A toner comprised of mother toner particles each including a colorant, a resin A capable of forming a crystalline structure, and a resin B incapable of forming a crystalline structure is provided. The resin A is dispersed in the resin B in the state of phase separation. The long axis of each dispersed particle of the resin A has a length of from 30 to 200 nm and the length ratio of the long axis to the short axis is from 2 to 15. The DSC endothermic quantity attributable to the resin A is from 8 to 20 J/g.

A toner, including: a colorant; and a binder resin, wherein a spreadability of the toner under a non-pressurized condition is 1.20 to 2.50, wherein a common logarithm of a storage modulus at 100&#xb0; C. (G') of the toner is 4.0 [log Pa] to 5.0 [log Pa], and wherein a ratio of a loss modulus at 100&#xb0; C. (G&#x2033;) to the storage modulus at 100&#xb0; C. (G&#x2032;) of the toner (G&#x2033;/G&#x2032;=tan &#x3b4;) is 1.1 to 2.2.

Toner, image forming apparatus, process cartridge, and developer

To provide a toner, which contains: a colorant; a resin; and a releasing agent, wherein a spin-spin relaxation time (T2s) originated from a soft component is 0.10 msec to 0.50 msec, where the soft component is obtained with a hard component from an echo signal of the toner by a solid-echo technique of pulsed NMR, and a proportion of a proton intensity of the soft component is 50.0% or lower.

Toner, image forming apparatus, image forming method, process cartridge, and two-component developer

A toner includes an amorphous resin; and a crystalline polyester resin dispersed in the amorphous resin. The crystalline polyester resin has a volume-average particle diameter (Dv) of from 0.07 to 0.20 &#x3bc;m, and a ratio (Dv/Dn) of the volume-average particle diameter (Dv) to a number-average particle diameter (Dn) thereof of from 1.00 to 2.25.

Toner for developing electrostatic images and developer

A toner comprised of toner particles including an amorphous resin and a crystalline resin is provided. The coefficient of variation in softening temperature among resin portions in the toner particles is 15% or less when the softening temperature is measured with a scanning probe microscope equipped with a heatable cantilever.

Toner, and developer and image forming apparatus including same

To provide a toner, which contains: a binder resin; a colorant; and wax, wherein the toner has Ta of 30&#xb0; C. to 55&#xb0; C., and Tb&#x2212;Ta of 8&#xb0; C. to 25&#xb0; C., where Ta is a glass transition temperature of the toner determined from a constant heating component of a DSC curve of the toner obtained in a second heating process of temperature modulated differential scanning calorimetry, and Tb is a glass transition temperature of the toner determined from a constant heating component of a DSC curve of the toner obtained in a first heating process of temperature modulated differential scanning calorimetry.

Toner, developer, image forming apparatus, and image forming method

A toner including a binder resin and a colorant, the toner having a core-shell structure containing a core and a shell, wherein the binder resin contains a crystalline polyester resin and a non-crystalline polyester resin, wherein a ratio (A/B) of a mass (A) of the crystalline polyester resin to a mass (B) of the non-crystalline polyester resin is 5/95 to 75/25, and wherein a ratio (Ds/Dc) of a hardness (Ds) of the shell to hardness (Dc) of the core is 1.05 to 1.50 where the hardnesses (Ds) and (Dc) are measured with a scanning probe microscope.

To provide a toner, which contains: base particles each having a core-shell structure, where a core of the base particle contains crystalline polyester, non-crystalline polyester, a colorant, and a releasing agent, and a shell of the base particle contain a resin, wherein the toner has thermal hardness of 0.5 to 1.8, wherein the toner has a softening index of 80&#xb0; C. to 95&#xb0; C., and wherein the toner has thermal retentiveness of 30&#xb0; C. to 50&#xb0; C.

Toner, developer, and image forming method

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Fuji, Japan

Hideki Sugiura