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Naoto Watanabe

Naoto Watanabe, Nagano JP

Patent application numberDescriptionPublished
20110096461SUBSTRATE FOR ELECTROSTATIC CHUCK AND ELECTROSTATIC CHUCK - An electrostatic chuck includes a metal base member and an insulating substrate having an opposite surface to an attraction surface joined onto the base member via an adhesive layer. In the substrate, an electrode layer to which a direct current voltage for attraction is applied is embedded in a portion of the substrate, close to the attraction surface. In addition, a plurality of independent RF electrode layers to which different radio frequencies for plasma control are fed, respectively, are embedded in portions of the substrate, at an opposite side of the first electrode layer to the attraction surface. The RF electrode layers are arranged separately in different layers which are not on an identical plane in such a manner as to partially overlap each other in a plan view.04-28-2011

Naoto Watanabe, Kashiwa-Shi JP

Patent application numberDescriptionPublished
20080309009SHEET POST-PROCESSING APPARATUS, IMAGE FORMING SYSTEM AND POWER SAVING CONTROL METHOD - A sheet post-processing apparatus has a sheet conveying portion which receives and conveys a sheet discharged from an apparatus on an upstream side, and discharges it to an apparatus on a downstream side or a discharge tray, a sheet post-processing portion which carried out post-processing on the sheet, and a power saving control portion which renders the sheet post-processing apparatus into a power saving state, and the power saving control portion maintains electric power supply to the sheet conveying portion, and interrupts electric power supply to the sheet post-processing portion. The sheet post-processing apparatus, even in the power saving state, is capable of discharging the sheet discharged from the apparatus on the upstream side to the apparatus on the downstream side or a discharge tray.12-18-2008
20090179374IMAGE FORMING APPARATUS, SHEET PROCESSING APPARATUS, AND METHOD OF CONTROLLING THE SHEET PROCESSING APPARATUS - An image forming apparatus which enables the user to easily remove a sheet bundle left in the apparatus after a bookbinding-mode job is stopped in the middle of execution thereof. In a bookbinding mode of the apparatus, in a sheet stacking section, a plurality of sheets having images formed thereon are stacked as a sheet bundle; in a gluing section, glue is applied to an end face of the sheet bundle; and in a bonding section, a cover sheet is bonded to the sheet bundle to wrap the sheet bundle in the cover sheet. When a bookbinding-mode job is canceled during execution thereof, in the gluing section, glue is applied to the sheet bundle stacked in the stacking section before the job is stopped, and a discharge section discharges the glue-applied sheet bundle which is neither wrapped nor trimmed.07-16-2009
20090310999SHEET POST-PROCESSING APPARATUS, IMAGE FORMING SYSTEM AND POWER SAVING CONTROL METHOD - A sheet post-processing apparatus has a sheet conveying portion which receives and conveys a sheet discharged from an apparatus on an upstream side, and discharges it to an apparatus on a downstream side or a discharge tray, a sheet post-processing portion which carried out post-processing on the sheet, and a power saving control portion which renders the sheet post-processing apparatus into a power saving state, and the power saving control portion maintains electric power supply to the sheet conveying portion, and interrupts electric power supply to the sheet post-processing portion. The sheet post-processing apparatus, even in the power saving state, is capable of discharging the sheet discharged from the apparatus on the upstream side to the apparatus on the downstream side or a discharge tray.12-17-2009

Patent applications by Naoto Watanabe, Kashiwa-Shi JP

Naoto Watanabe, Alsugi City JP

Patent application numberDescriptionPublished
20090238591Image forming condition adjustment control for image forming apparatus - An image forming apparatus includes a charge unit, an exposure unit, an exposure voltage detector, a development unit, and a concentration detector. The exposure voltage detector detects a potential of latent image formed as a test pattern on an image carrier. The concentration detector detects concentration of developed test pattern. The image forming apparatus further includes an exposure power controller, an exposure ratio controller, a charging voltage controller, a development bias voltage controller, and an image forming condition adjustment controller. A suitable image forming condition is computed using test patterns formed by changing combinations of charging voltage, exposure power, and exposure duty. The charging voltage is changed in two levels or more. The exposure power is changed in three levels or more. The exposure duty per unit area is changed in two levels or more.09-24-2009

Naoto Watanabe, Nagano-Shi JP

Patent application numberDescriptionPublished
20080266747ELECTROSTATIC CHUCK - In an electrostatic chuck for chucking a glass substrate, the electrostatic chuck includes a pair of electrodes embedded in a ceramic material and interlaced with each other, where a volume resistivity of the ceramic material is 1×1010-30-2008
20080278883ELECTROSTATIC CHUCK AND METHOD OF MANUFACTURING THE SAME - In a method of manufacturing an electrostatic chuck, the method includes: a step of providing an electrostatic chucking portion including an electrode to which a voltage is applied and a film-like insulating layer covering the electrode; a step of bonding an elastomer layer onto the electrostatic chucking portion; a step of bonding a metal base onto the elastomer layer such that recess portions formed on a surface of the metal base face the elastomer layer.11-13-2008
20090168292ELECTROSTATIC CHUCK AND SUBSTRATE TEMPERATURE ADJUSTING-FIXING DEVICE - There is provided an electrostatic chuck for adsorbing and holding an adsorption object placed on an upper surface of a base body having an electrostatic electrode embedded therein and for filling inert gas of which a pressure is adjusted into a space formed between the upper surface of the base body and a lower surface of the adsorption object, wherein the base body includes a gas discharge portion embedded therein so as to discharge the inert gas to the space and a gas path embedded therein so as to introduce the inert gas into the gas discharge portion while communicating with the gas discharge portion.07-02-2009

Naoto Watanabe, Chiba JP

Patent application numberDescriptionPublished
20090115125SHEET PROCESSING APPARATUS - The present invention provides a sheet processing apparatus comprising a sheet holding device capable of storing supplied sheets, a first sheet stacking tray on which sheets are stacked at a downstream side of the sheet holding device in a sheet conveying direction and on which the sheets are subjected to processing, a sheet discharging device for discharging the sheets stacked on the first sheet stacking tray, a second sheet stacking tray on which the sheets discharged by the sheet discharging device are stacked, and a controller for controlling the sheet discharging device and the sheet holding device if sheet jam occurs at an upstream side of the sheet holding device, in such a manner that, after the sheets on the first sheet stacking tray are discharged onto the second sheet stacking tray, the sheets stored in the sheet holding device are discharged onto the first sheet stacking tray.05-07-2009

Patent applications by Naoto Watanabe, Chiba JP

Naoto Watanabe, Atsugi-Shi JP

Patent application numberDescriptionPublished
20080285104OPTICAL SCANNER AND IMAGE FORMING APPARATUS - An optical scanner includes a plurality of scanning optical systems each of which scans a different surface to be scanned and includes a light source configured to emit a light beam, an optical deflector having a plurality of reflection surfaces, and a synchronization detector configured to receive the light beam deflected by the optical deflector and detect a timing to scan an effective area of the surface to be scanned with the deflected light beam before a scanning is started or after the scanning is completed. The synchronization detector of one of a pair of scanning optical systems is disposed on a scanning end side to determine the scanning timing, and the synchronization detector of the other one of the pair of scanning optical systems is disposed on a scanning start side to determine the scanning timing.11-20-2008

Patent applications by Naoto Watanabe, Atsugi-Shi JP