Canon Kabushiki Kaisha

Fuji Xerox Co., Ltd.

Fujifilm Business Innovation Corp.

Tetsuya Taguchi

Tokuichi Tsunekawa

Takashi Uchiyama

Masanori Uchidoi

Hiroshi Aizawa

Hirokazu Hamano

Yukio Mashimo

Yukio Iura

Mutsunobu Yazaki

Masahiro Takagi

Noriaki Sanada

Kenji Yao

Shuichi Tamura

Susumu Yoshino

Michio Hirohata

Masayoshi Yamamichi

Hideaki Yoshikawa

Mutsuhide Matsuda

Koutarou Yoshihara

Masahiro Oki

Kazusei Yoshida

Fumio Ito

Isao Harigaya

Masanobu Ninomiya

Zenzo Nakamura

Shinya Sakamoto

Tadashi Ito

Takahiro Ishizuka

Tomonori Iwashita

Toshikazu Ichiyanagi

Yuko Iwadate

Yasuhiro Oya

Ayu Naito

Ryoichi Suzuki

Satoshi Yoshida

Masahiko Ogawa

Soichi Nakamoto

Akihiro Iizuka

Motoko Sakai

Shinya Nakashima

Yoshiyuki Takishima

Haruhide Ishida

Jun Igarashi

Kaori Oishi

Takeshi Iwanaga

Atsushi Sugawara

Yukio Ogawa

Takehiko Kiyohara

Koji Sasaki

Yukiaki Nakamura

Tomoaki Tanaka

Hiroshi Kamada

Asafumi Fujita

Toshio Sakane

Satomi Kashiwagi

Ryutaro Kembo

Toyotosi Suzuki

Eiji Kawakami

Kosaku Yoshimura

Rieko Kataoka

Tokuichi Tunekawa

Shota Matoba

Satoshi Inoue

Yoshiaki Watanabe

Chiaki Suzuki

Hideo Yokota

Nobuo Tezuka

Tadashi Okino

Hideo Tamamura

Masaru Takahashi

Tsuyoshi Murakami

Yusuke Ono

Fumiaki Mera

Ryuji Tokuda

Satoshi Kamiwaki

Yoji Sugiura

Youichi Okuno

Michio Take

Teiji Hashimoto

Seiichi Matsumoto

Hideaki Miyakawa

Hiroshi Takano

Shotaro Takahashi

Satoshi Watanabe

Kaori Ohishi

Sueko Sakai

Emi Miyata

Katuhiko Yamada

Goro Hasegawa

Zenso Nakamura

Toyostosi Suzuki

Tadanori Uchidoi

Yukio Mashino

A cellulosic particle contains cellulose as its base constituent, and the intensity of sodium fluorescent x-rays from the cellulosic particle measured by x-ray fluorescence analysis is 0.015 kps or more and 0.1 kps or less.

Cellulosic particle

A cellulosic particle contains cellulose as its base constituent, and the percentage water absorption of the cellulosic particle measured by method B in ISO 15512:1999 is 11% or more and 20% or less.

A cellulosic particle contains 90 parts by mass or more and 99.5 parts by mass or less of cellulose; and 0.5 parts by mass or more and 10 parts by mass or less of a cellulose derivative.

A cellulosic particle includes: a cellulose-based core particle; a first coating layer covering the core particle and containing a polyamine compound; and a second coating layer covering the first coating layer and containing at least one selected from the group consisting of a wax, a linear-chain saturated fatty acid, a hydroxy fatty acid, and an amino acid compound.

Resin particles include mother particles containing a biodegradable resin, and a coating layer containing at least one selected from the group consisting of a quaternary ammonium salt-containing polymer, polyacrylamide, polyvinylpyrrolidone, and polylysine on a surface of the mother particles.

Resin particles

Resin particles include mother particles containing a biodegradable resin and a plasticizer, in which an amount of a metal element having an ionic valence of 2 or more, obtained by fluorescent X-ray analysis, is 0.002% by mass or more and 2.0% by mass or less with respect to a total amount of the resin particles.

Resin particles comprising a biodegradable resin and a specific amount of a metal element

Resin particles include mother particles containing a biodegradable resin, in which an alkali metal atomic weight A present on a resin particle surface with respect to a total atomic weight present on the resin particle surface, which is measured by an X-ray photoelectron spectroscopy, and an alkali metal atomic weight B present in the resin particles with respect to the total atomic weight present on the resin particles, which is measured by a fluorescent X-ray spectroscopy, satisfy a relationship of 0&#x2264;(A/B)&#x3c;0.15 and 0.005 atomic %&#x2264;B&#x2264;0.5 atomic %.

A management method of managing a processing apparatus that performs processing of a member, includes setting, in a case where adjustment of the processing apparatus is performed, an offset value to control the processing apparatus such that variance between results of processing by the processing apparatus before and after the adjustment is reduced.

Management method of managing processing apparatus by setting offset to reduce variance, management apparatus, computer readable medium, and article manufacturing method

A toner set includes a white toner that includes white toner particles containing white colored particles, and at least one selected from a color toner that includes color toner particles containing colored particles and a transparent toner that includes transparent toner particles, wherein an average circularity of the white toner particles is smaller than an average circularity of either the color toner particles or the transparent toner particles and a small-diameter-side number particle diameter distribution index of the white toner particles is greater than a small-diameter-side number particle diameter distribution index of either the color toner particles or the transparent toner particles.

Toner set, white toner, and electrostatic charge image developer

An electrostatic charge image developing toner set includes a white toner that includes white toner particles containing a core and a coating layer which does not contain a coloring agent and a colored toner that includes colored toner particles containing a core and a coating layer which does not contain a coloring agent, wherein with respect to a difference between an average equivalent circle diameter [Rw] of the cores (W) in the white toner particles and an average equivalent circle diameter [Rw] of the white toner particles [Rw&#x2212;Rw], and a difference between the average equivalent circle diameter [Rc] of the cores (C) in the colored toner particles and the average equivalent circle diameter [Rc] of the colored toner particles [Rc&#x2212;Rc], a relationship of the following Expression (1) is satisfied:[2&#x2212;1]&#x3c;[2&#x2212;1]&#x2003;&#x2003;(1).

Electrostatic charge image developing toner set, electrostatic charge image developer set, and toner cartridge set

A white toner includes white toner particles and black toner particles, wherein a content of the black toner particles is from 0.01% by number to less than 1% by number with respect to a total number of an entirety of toner particles.

White toner, white toner set, and colored toner set

An irregular shape inorganic particle satisfies the following formulas (1) and (2),1/17&#x2266;&#x2266; 1/13&#x2003;&#x2003;(1)1.2&#x2266;&#x2266;1.5&#x2003;&#x2003;(2)wherein A represents a distance between the center of a circumscribed rectangle, in which lines sandwiching a projected image and being parallel to an absolute maximum length of the projected image of inorganic fine particles are long sides and lines sandwiching the projected image and being perpendicular to the absolute maximum length are short sides, and the center of gravity of the projected image, B represents the absolute maximum length, C represents a length of a long side of the circumscribed rectangle, and D represents a length of a short side of the circumscribed rectangle.

Inorganic particle, electrostatic charge image developing toner, electrostatic charge image developer, developer cartridge, process cartridge, and image forming apparatus

The invention provides a toner for electrostatic image development, containing a toner particle and external additive particles adhered to the surface of the toner particle, each of the external additive particles being constituted of plural irreversibly coalesced primary particles.

Toner for electrostatic image development, toner cartridge, process cartridge and image forming apparatus

An electrostatic charge image developing toner includes toner particles containing a binder resin containing a polyester resin forming a sea part and a vinyl resin forming an island part of a sea-island structure, a first release agent existing in the sea part in a domain state, and a second release agent existing in the island part in a domain state, wherein when a cross-sectional area of the second release agent is set to A1 and a cross-sectional area of the first release agent is set to B1 in a cross section of the toner particles, a relationship of 0.2&#x2266;A1/B1&#x2266;0.8 is satisfied.

Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge

An electrostatic charge image developing toner includes a binder resin and a release agent, and when a peak temperature during a first temperature increase and a peak temperature during a second temperature increase, that are obtained by differential scanning calorimetry including performing the first temperature increase at 10&#xb0; C./min after holding at 10&#xb0; C., performing cooling at &#x2212;10&#xb0; C./min, performing a heat treatment for 24 hours at 50&#xb0; C., and performing the second temperature increase at 10&#xb0; C./min, are represented by Tt1 and Tt2, respectively, the following Expression (1) is satisfied:1&#x3c;2.&#x2003;&#x2003;Expression (1):

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Kanagawa, Japan

Tetsuya Taguchi