Patent application number | Description | Published |
20110053073 | TONER - A toner is provided which is excellent in development stability in both a low-temperature, low-humidity environment and a high-temperature, high-humidity environment over a long time period. The toner includes toner particles containing at least a binder resin and a colorant, and a fatty acid metal salt. The fatty acid metal salt has a volume-based median diameter (D50s) of 0.15 μm or more and 0.65 μm or less, and the liberation ratio of the fatty acid metal salt in the toner is 1.0% or more and 25.0% or less. | 03-03-2011 |
20110097657 | TONER - An object of the present invention is to provide a toner in which the problems in the techniques described are solved. That is, the object is to provide a toner which has an excellent charging characteristic regardless of the environment and which achieves high image quality over a long period of time. | 04-28-2011 |
20110097660 | TONER - Provided is a toner in which faulty transfer under an extremely-low-temperature, low-humidity environment hardly occurs, including toner particles and a zeolite as an external additive, in which a ratio of the alminium atoms to a total of the silicon atoms and the aluminium atoms contained in the zeolite is 0.2 to 24.0%. | 04-28-2011 |
20110305989 | METHOD OF PRODUCING TONER - A method of stably producing a toner is provided. This method provides a long-term stabilization of material dispersion in a colorant-dispersed solution and inhibits segregation of the material and provides a more microfine and more uniform dispersion of the colorant in the toner, and moreover produces a toner that has a sharp toner particle diameter distribution. This method of producing toner has at least a colorant dispersion step of obtaining a colorant-dispersed solution by dispersing a pigment-containing colorant in a liquid mixture that contains the colorant and a dissolved resin solution or a polymerizable monomer, wherein the liquid mixture contains a nonionic surfactant and the nonionic surfactant has at least an oxyalkylene group and has a hydrophile-lipophile balance value (HLB value) of 9.0 or more and 17.0 or less. | 12-15-2011 |
20120315574 | TONER - A toner is provided that exhibits a high long-term image stability even during high-speed printing and that also exhibits an excellent environmental stability. The toner comprises a binder resin, a colorant, and a nonionic surfactant, wherein the nonionic surfactant has an oxyethylene group (EO) and an oxypropylene group (PO) and has a ratio of the number of moles of the oxypropylene group to the number of moles of the oxyethylene group (PO/EO) of at least 0.01 and not more than 5.00; and when A (μg/g) is defined as a nonionic surfactant content on the surface of the toner that can be extracted by methanol from 1 g of the toner and B (m | 12-13-2012 |
20130003096 | IMAGING APPARATUS AND IMAGE FORMING APPARATUS - An imaging apparatus for imaging a subject image from a lens on an imaging element through an optical filter has a porous body having pores which three dimensionally communicate with each other at least at a side opposite to the imaging element of the optical filter. | 01-03-2013 |
20130157026 | POROUS GLASS AND OPTICAL MEMBER - The present invention provides a porous glass having excellent antireflection performance for visible light. A porous glass includes a porous layer which is mainly composed of silica and which has pores attributed to spinodal phase separation and pores attributed to binodal phase separation. | 06-20-2013 |
20130192306 | METHOD FOR PRODUCING POROUS GLASS - There is provided a method for producing a porous glass having high porosity and nanosized pores even at a deeper portion in the glass. | 08-01-2013 |
20130194483 | POROUS GLASS, METHOD FOR MANUFACTURING POROUS GLASS, OPTICAL MEMBER, AND IMAGE CAPTURE APPARATUS - A porous glass having high strength and a low refractive index, an optical member by using the porous glass, and a method for manufacturing the porous glass are provided. A method for manufacturing a porous glass includes the steps of heat-treating a glass body, which can be phase-separated through heating and which is formed from a plurality of components, at a first temperature to effect the phase separation, heat-treating the glass body, which has been heat-treated at the first temperature, at a second temperature, higher than the first temperature, to effect the phase separation, and bringing the glass body, which has been heat-treated at the second temperature, into contact with an aqueous solution, wherein the total time of the heat treatment time at the first temperature and the heat treatment time at the second temperature is 7 hours or more. | 08-01-2013 |
20130216775 | OPTICAL MEMBER AND IMAGING APPARATUS - Provided is an optical member having high strength, low reflection, and a high transmittance. The optical member includes: a transparent substrate; and a porous glass layer having a spinodal-type porous structure disposed on the transparent substrate, in which at least one of the average pore diameter of a pore formed in the porous glass layer and the average skeleton diameter of a skeleton of the porous glass layer is set so that the optical member has a transmittance of 50% or more in the wavelength region of 450 nm or more and 650 nm or less. | 08-22-2013 |
20130224494 | POROUS GLASS, METHOD OF MANUFACTURING THE SAME AND OPTICAL ELEMENT - This invention provides a porous glass with a varied porous structure that shows an excellent optical performance. A method of manufacturing a porous glass comprising: a first step of forming a surface layer containing a boron compound and an alkali metal compound as main ingredients on a matrix glass containing a silicon oxide, a boron oxide and an alkali metal oxide; a second step of heat treatment the matrix glass and the surface layer for phase separation to form a phase-separated glass; and a third step of acid treatment the phase-separated glass to form the porous glass having pores. | 08-29-2013 |
20130233018 | METHOD OF MANUFACTURING POROUS GLASS - To provide a method of manufacturing a porous glass in which the porosity decreases as a function of the distance from the surface in the direction of depth. A method of manufacturing a porous glass includes a step of bringing one or more than one ion species selected from silver ion, potassium ion and lithium ion into contact with a matrix glass containing borosilicate glass as main ingredient and heating the matrix glass to form a glass body having an ion concentration distribution with a concentration of the one or more than one ion species decreasing as a function of a distance from a surface in a direction of depth, a step of heating and phase-separating the glass body to form a phase-separated glass, and a step of etching the phase-separated glass to form a porous glass having a porosity decreasing as the function of the distance from the surface in the direction of depth. | 09-12-2013 |
20130333419 | METHOD FOR MANUFACTURING POROUS GLASS, AND METHOD FOR MANUFACTURING OPTICAL ELEMENT - A method for manufacturing a porous glass includes: forming a phase-separated glass by heating at a temperature in a range of 300 to 500 degrees Celsius for 3 to 50 hours for phase separation of a glass body in which the concentration of SiO | 12-19-2013 |
20140186760 | TONER - A toner having good development durability, storage stability, environmental stability, and low-temperature fixability is provided. The toner contains toner particles each including a surface layer that contains an organic silicon polymer. The organic silicon polymer contains a unit having a specific structure. The average thickness Dav. of the surface layers is a specific value and the silicon concentration determined by ESCA is 2.5% or more. The toner has a shape factor SF-2 of 140 or more and 260 or less and an average circularity of 0.970 or more and 0.990 or less. | 07-03-2014 |
20140293114 | OPTICAL MEMBER, IMAGE PICKUP APPARATUS, AND METHOD FOR MANUFACTURING OPTICAL MEMBER - The present invention provides an optical member including a porous glass film on a base member, wherein a ripple is suppressed. | 10-02-2014 |
20140299573 | METHOD FOR MANUFACTURING OPTICAL MEMBER - The present invention provides a method for producing a porous glass layer easily, wherein a ripple is suppressed. | 10-09-2014 |
20140305166 | METHOD FOR MANUFACTURING OPTICAL MEMBER AND METHOD FOR MANUFACTURING IMAGE PICKUP APPARATUS - The present invention provides an optical member having a high transmittance, wherein a composition change of a phase-separable base material glass film is suppressed. | 10-16-2014 |
20140313391 | IMAGING APPARATUS AND IMAGE FORMING APPARATUS - An imaging apparatus for imaging a subject image from a lens on an imaging element through an optical filter has a porous body having pores which three dimensionally communicate with each other at least at a side opposite to the imaging element of the optical filter. | 10-23-2014 |
20140320728 | OPTICAL MEMBER, IMAGE PICKUP APPARATUS, AND METHOD FOR MANUFACTURING OPTICAL MEMBER - The present invention provides an optical member including a porous glass layer on the base member, wherein a ripple is suppressed. | 10-30-2014 |
20140335346 | OPTICAL MEMBER, IMAGE PICKUP APPARATUS, AND METHOD FOR MANUFACTURING OPTICAL MEMBER - To provide an optical member having a porous glass layer on a substrate and rarely causing ripples. | 11-13-2014 |