Canon Kabushiki Kaisha

Asahi Glass Company, Limited

Agc Inc.

Agc Si-tech Co., Ltd.

Hajime Katayama

Yutaka Komiya

Hiroshi Nitanda

Noriyoshi Iida

Tateki Nagaoka

Kenji Yamada

Tsuneki Inuzuka

Shigehiro Komori

Hirotoshi Kishi

Masaharu Tanaka

Toshiya Matsubara

Masashi Suda

Yusaku Takada

Hiroshi Aruga

Shigeyoshi Onoda

Akiyoshi Torigai

Hiroshi Hara

Koji Suzuki

Toru Takahashi

Yusuke Arai

Atsushi Kubota

Koichi Miyamoto

Shin Tatematsu

Yoshio Ito

Kazuhiko Yamada

Osamu Hoshino

Yoshitomo Goshima

Kenichi Ebata

Eiichi Kondo

Hyunji Kim

Masaru Yamaguchi

Kentarou Tsunozaki

Yousaku Takada

The present invention related to a hollow silica particle including: a shell layer containing silica; and a space formed inside the shell layer, in which the hollow silica particle has a particle density as measured by a dry pycnometer density measurement using helium gas of 2.00 g/cmor more and a particle density as measured by a dry pycnometer density measurement using oxygen gas of lower than 2.00 g/cm.

Hollow silica particles and method for manufacturing hollow silica particles

To provide a method for producing lanthanum hexaboride-containing composite particles which are capable of forming a formed product having sufficiently high transparency and which are excellent in weather resistance, by a simple operation without calcination treatment at high temperature, and a method for producing a formed product using it. Also provided is a method for producing composite particles, which involves: reacting at least one silica precursor selected from a tetraalkoxysilane, its hydrolysate and its condensate, in the presence of lanthanum hexaboride particles, a volatile base, water and an organic solvent to obtain a first reaction mixture, and reacting the first reaction mixture with at least one silicon compound selected from an amino-modified silicone, an alkylsilane and an aminosilane, or the silicon compound and the silica precursor added, to obtain a second reaction mixture containing lanthanum hexaboride-containing composite particles.

Method for producing lanthanum hexaboride-containing composite particles and method for producing formed product

Provided is a fluororesin film comprising a fluororesin film body which contains hydrophobized silicon oxide-coated metal oxide particles and a fluororesin. The fluororesin film also contains a coating film in direct contact with the fluororesin film body and made of a coating film-forming composition containing at least one resin selected from the group consisting of a polyester, acryl polyol, acryl resin, acryl urethane resin, acryl silicone resin, vinyl acetate resin and a fluororesin, formed on one side of the fluororesin film body.

Fluororesin film

A microchannel structure is provided wherein supplied fluids are prevented from transuding via a lamination interface into channels for a mixture or reaction product. A method is further provided for producing an emulsion having a uniform particle size under a high pressure condition by using the microchannel structure. The microchannel structure comprises one or more layers having notches to constitute channels, laminated and pressed between a pair of frames having an outside communicating hole to constitute a channel, so as to form microchannels to mix/react fluids, channels to supply the fluids to the microchannels, and a channel to discharge the fluids from the microchannels, wherein a channel for discharging a transudation fluid is provided to recover a fluid having transuded at a lamination interface so as not to let it enter into the channels including the microchannels and discharge it to the outside.

Microchannel structure, and methods for producing emulsion and solid spherical particles

Hydrophobized silicon oxide-coated metal oxide particles excellent in dispersibility in fluororesins, durability to fluorinated compounds and ultraviolet-shielding properties, and a fluororesin film excellent in transparency, weather resistance and ultraviolet-shielding properties comprising the hydrophobized silicon oxide-coated metal oxide particles, the hydrophobized silicon oxide-coated metal oxide particles being obtained by a process including a primary and a secondary hydrophobizing treatment.

Process for producing hydrophobized silicon oxide-coated metal oxide particles comprising primary and secondary hydrophobizing steps

A process for producing inorganic spheres, which comprises injecting an aqueous liquid containing an inorganic compound into a laminar flow of an organic liquid which runs at a flow rate of from 0.001 to 2 m/s in a flow path compartmentalized by a partition wall through a plurality of inlet holes formed in one partition wall to form a W/O type emulsion containing the organic liquid as a dispersion medium and the aqueous liquid containing the inorganic compound as a dispersed phase, and solidifying the aqueous liquid containing an inorganic compound in the W/O type emulsion, wherein the partition wall having a plurality of inlet holes is made of a metal sheet having a surface subjected to water repellent treatment.

Process and apparatus for producing inorganic spheres

To provide a process for producing inorganic spheres having a substantially uniform particle size with high productivity. In a process for producing inorganic spheres, which comprises a step of injecting an alkaline aqueous liquid containing an inorganic compound into a laminar flow of an organic liquid containing a surfactant through micropores to form a W/O type emulsion, and a step of solidifying droplets of the aqueous liquid containing an inorganic compound in the W/O type emulsion by an acid to form inorganic spheres, as the organic liquid, one which is brought into contact with an acid in a state of the W/O type emulsion or after separated from the W/O type emulsion, or one which is brought into contact with the aqueous liquid and then separated and recovered, is used.

Process for producing inorganic spheres

A process for producing inorganic spheres, which comprises injecting an aqueous liquid containing an inorganic compound through an inlet hole into an organic liquid which flows at a flow rate of from 0.001 to 2 m/s in a laminar flow state in a flow path to form a W/O type emulsion, and solidifying the aqueous liquid containing an inorganic compound in the W/O type emulsion.

An image forming apparatus has a rotatable member, a plurality of processing devices for forming an image on the rotatable member and transferring the image to transfer material, a device for fixing the transferred image, circuitry for controlling the operation of the rotating member and processing devices so that when the power switch is turned on at least the fixing device is turned on and when the power switch is turned off the fixing device is turned off while the rotation of the rotatable member is continued. The apparatus also includes a signal generating device associated with one of the processing devices, a first detector for detecting transfer material and a second detector for detecting the position of an original carriage, and circuitry for checking for a paper jam by counting signals from the time of the second detector signal. The apparatus also includes a detector for detecting the home position of the original carriage, setting structure for setting the carriage to the home position and resetting structure for preventing the start of processing immediately upon operation of a manual start switch.

Copying apparatus

An ozone filtering mechanism in an image forming apparatus such as office copiers, etc. and its arrangement, wherein various component elements disposed in the image forming apparatus in such a manner that a flow path for a discharge current of ozone gas generated from a corona discharger and a flow path for heat current from a heat source such as a light source, etc. may be centralized at one place, thereby enabling a single ozone filter to be disposed at this portion of the centralized flow paths for perfect ozone filtration. Presence of the heat current at the time of the ozone filtration promotes adsorption and decomposition of ozone to augment the filtering effect to the maximum possible extent.

Image forming apparatus incorporating therein ozone filtering mechanism

A surface potentiometer has a conductive shield housing provided in proximity to a body to be measured, a cage-shaped chopper rotatable within the housing, and an electrode disposed further inwardly of the chopper. The chopper is rotated to induce in the electrode a voltage corresponding to the potential of the body to be measured, thereby measuring the surface potential of the body to be measured.

Surface potentiometer for use in an electrostatic copier

A copying machine capable of making a copy of a selected area of a document, which is provided with a mechanism for setting the base line for copying a document placed on the original table as desired and for aligning the edge of copying material with the selected base line. The base line for copying is selectively determined by moving an indicator and when the moving optical system of the copying machine reaches the selected base line, an imagewise exposure is started. In timing with the exposure, feeding of copying material is also started. The lens of the optical system is moved by a distance determined by the distance which the indicator has moved to select the base line and the edge of the copying material is brought in alignment with the base line. To prevent the unnecessary area of the document from being copied, the area of photosensitive medium corresponding to the unnecessary area is exclusively exposed to light so as to erase the electrostatic latent image on this area.

Copying machine provided with means for selectively setting original

In a copying apparatus having an endless photosensitive medium, a number of copy process devices for forming an electrostatic latent image on the photosensitive medium, for developing the latent image, for transferring the developed image and for cleaning the photosensitive medium, there is provided circuitry for controlling the operation of at least one of the copy process devices in accordance with the generation of a predetermined number of clock signals. The control circuitry acts to start the initiation of the copy process after counting a predetermined number of signals and to stop the rotation of the medium at a different rotational position from the start position. The apparatus also includes a jam detecting device and reciprocating member for the formation of the latent image, the position of which is detected for utilization in the control circuitry.

Copying apparatus with variable stop position

Color electrophotographic method and apparatus capable of providing color representation faithful to an original by the provision of well designed color balance control devices. The method of the invention comprises a step of exposing a color resolving image of an original onto a photosensitive medium to develop an electrostatic latent image formed according to the resolving image or an electrostatic image according to the first-mentioned image with fixed color developer, the step being repeated in number according to the color resolution to represent color one above the other on an image carrier such as a photosensitive medium.

Color electrophotographic method and apparatus

In a copying apparatus wherein electrostatic latent images having color components of an original image are sequentially formed and developed on a moving photosensitive medium, there is provided exposure means for projecting therethrough an original image upon the photosensitive medium for exposure, filter means including a predetermined number of color resolving filter units selectively movable onto the projection path of the exposure means, image forming means disposed adjacent the photosensitive medium to form an image corresponding to the projected image, and program control means for causing the exposure means and filter means to cooperate together to control the image forming means in accordance with the color to be reproduced.

Growing community of inventors

Tokyo, Japan

Hajime Katayama