Patents by Inventor Yoshiyuki Mizoguchi
Yoshiyuki Mizoguchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 5533816Abstract: In a thermal recording method of recording an image on a recording medium and a thermal recording apparatus using this thermal recording method, image data is divided into blocks in units of a plurality of bits to convert the blocks into recording head drive data, and a pulse width of a strobe signal corresponding to each bit of the converted drive data and a count of drive data arrays applied to a head are controlled to perform halftone image recording.Type: GrantFiled: May 23, 1994Date of Patent: July 9, 1996Assignee: Canon Kabushiki KaishaInventors: Keiichi Ikeda, Yoshiyuki Mizoguchi
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Patent number: 5502525Abstract: In a photographing device of the kind having a plurality of blades disposed one after another in an overlapping manner in the direction of the optical axis of a photo-taking lens, with an exposing aperture part for high luminance included in an exposing aperture hole formed in each of the blades, and performing exposure control for an exposure surface by driving and moving these blades relative to each other in the direction of traversing the optical axis, the fore end positions, relative to the optical axis, of the exposing aperture parts for high luminance included in the exposing aperture holes formed respectively in the blades are arranged to be located farther away from the optical axis accordingly as the blades are located farther away from the exposure surface.Type: GrantFiled: April 18, 1994Date of Patent: March 26, 1996Assignee: Canon Kabushiki KaishaInventor: Yoshiyuki Mizoguchi
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Patent number: 5436652Abstract: An ink jet recording apparatus having a conveying unit for conveying a recording medium to be recorded on, a body unit including an ink containing unit mounting section for mounting an ink containing unit for containing ink to be supplied to a recording head and a cassette mounting section for mounting a cassette for supplying the recording medium. Also provided are a recording unit including a recording head mounting section for mounting the recording head, a carriage unit for moving the recording unit in a predetermined direction, a recovery unit for restoring an ink discharge function, an electrical power source unit for actuating the ink jet recording apparatus, and an electrical circuit unit for controlling the conveying unit, the recording unit, the carriage unit and the recovery unit.Type: GrantFiled: December 7, 1993Date of Patent: July 25, 1995Assignee: Canon Kabushiki KaishaInventors: Yoshiyuki Mizoguchi, Yoshitaka Watanabe, Hiroyuki Hiraga, Shigeru Fukuyama
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Patent number: 5352048Abstract: An ink sheet cassette of reduced size and a recording apparatus for loading the ink sheet cassette therein are provided. The ink sheet cassette includes an ink sheet, a first reel capable of winding the ink sheet around itself, a second reel capable of winding the ink sheet around itself, and a frame holding the first reel and the second reel, bent orthogonally with respect to an ink layer surface on the ink sheet. The recording apparatus includes a loading portion capable of loading the above ink sheet cassette therein, a recording head capable of recording from the ink sheet in the ink sheet cassette loaded in the loading portion to thereby record an image on a recording medium and feed means for feeding the recording medium. The frame of the ink sheet cassette also has a guide portion to guide feeding of a recording medium when the ink sheet cassette is loaded in the recording apparatus.Type: GrantFiled: March 29, 1993Date of Patent: October 4, 1994Assignee: Canon Kabushiki KaishaInventors: Yoshiyuki Mizoguchi, Yoshitaka Watanabe
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Patent number: 5274395Abstract: A recording apparatus for performing recording on a recording medium includes a mounting unit, a discriminating unit, a recording unit, and a control unit. The mounting unit detachably mounts an ink sheet, the discriminating unit discriminates a kind of ink sheet mounted in the mounting unit. The recording unit performs recording on the recording medium and has a plurality of recording elements. The control control unit performs drive control of the recording elements on the basis of a discrimination result of the discriminating unit.Type: GrantFiled: June 30, 1992Date of Patent: December 28, 1993Assignee: Canon Kabushiki KaishaInventors: Yoshiyuki Mizoguchi, Yoshitaka Watanabe, Koichi Tanno, Keiichi Ikeda, Ikumasa Ikeda, Hideaki Kawamura, Hideo Takiguchi, Jun Kawai, Mayumi Yamamoto
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Patent number: 5211690Abstract: A recording and reproducing apparatus includes a sheet supply mechanism, a sheet transporting mechanism, an image recording mechanism and a sheet discharging mechanism. The mechanisms are driven by a rotary driver which transmits a driving force through a driving force transmitter to a plurality of rotating bodies. The driving force transmitter can engage a selected number of mechanisms through the rotating bodies to transmit the driving force from the rotary driver.Type: GrantFiled: March 27, 1992Date of Patent: May 18, 1993Assignee: Canon Kabushiki KaishaInventors: Yoshiyuki Mizoguchi, Yoshitaka Watanabe
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Patent number: 5019839Abstract: A recording apparatus comprises a sheet feed roller, a sheet guide member, movably arranged on an outer surface of the feed roller, for guiding a sheet to be printed around the outer surface of the feed roller and drive means for reciprocating the sheet guide means between a first portion for guiding the sheet to a print position and a second position for guiding the sheet during a printing operation.Type: GrantFiled: August 23, 1989Date of Patent: May 28, 1991Assignee: Canon Kabushiki KaishaInventors: Yoshitaka Watanabe, Yoshiyuki Mizoguchi, Hiroyuki Hiraga
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Patent number: 4946255Abstract: An image input apparatus in which a lens is exchangeable has a mount for mounting a lens and a member for adjusting a mounting position of the lens. The mount and the member are each constituted as a separate member, and are arranged such that the apparatus is, at the same time, capable of performing adjustment of the angle between an optical axis of the lens and a surface of a CCD.Type: GrantFiled: October 14, 1988Date of Patent: August 7, 1990Assignee: Canon Kabushiki KaishaInventors: Yoshiyuki Mizoguchi, Yoshitaka Watanabe
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Patent number: 4939580Abstract: A picture reading apparatus is disclosed which comprises a camera which converts a picture to be read to an electric signal, a supporting member for supporting the camera movably, and a voice input unit. A control device serves to minimize the output from the voice input unit during movement of the supporting member. Thus while a mechanism for moving the camera is in operation, the output from the voice input unit is minimized to suppress the output of operational noise. Video output is inhibited during camera movement.Type: GrantFiled: March 6, 1989Date of Patent: July 3, 1990Assignee: Canon Kabushiki KaishaInventors: Tadashi Ishikawa, Yoshitaka Watanabe, Yoshiyuki Mizoguchi
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Patent number: 4936998Abstract: There is disclosed a filter medium for selectively removing leucocytes, which is composed of fibers, each containing nonionic hydrophilic groups and nitrogen-containing basic functional groups at least in its peripheral surface portion. The present filter medium is useful for efficiently removing leucocytes while holding down the loss of platelets to a minimum and, therefore, the present filter medium can be effectively utilized in platelet transfusions and extracorporeal circulation leucocyte removal therapies and the like.Type: GrantFiled: November 27, 1987Date of Patent: June 26, 1990Assignee: Asahi Medical Co., Ltd.Inventors: Takao Nishimura, Yoshiyuki Mizoguchi
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Patent number: 4926196Abstract: An ink jet printer has a recovery system for sucking ink from nozzle orifices together with air bubbles stagnant in orifices so as to recover the normal state in the orifices. The recovery system has a vacuum generating device, a capping device and a valve mechanism for controlling the vacuum generated in the vacuum generating device to the capping device. The recovery system further has a temperature detector for detecting the temperature of the ink. The operation timing of the valve mechanism is controlled in accordance with the temperature of the ink detected by the temperature detecting means, so that the amount of ink sucked by the recovery system is regulated in accordance with the temperature of the ink.Type: GrantFiled: December 21, 1987Date of Patent: May 15, 1990Assignee: Canon Kabushiki KaishaInventors: Yoshiyuki Mizoguchi, Yoshitaka Watanabe, Hiroyuki Hiraga, Shigeru Fukuyama
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Patent number: 4899171Abstract: A thermal printer comprising first and second supply means for supplying first and second recording mediums, an image processing portion having a memory means for storing black-and-white image and color image informations, an inked sheet having color portions, a recording means for recording images on the first and second recording mediums, and a control means for controlling movements of the first or second supply means and of the inked sheet, in accordance with conditions whether a black-and-white image or a color image is to be recorded.Type: GrantFiled: November 2, 1988Date of Patent: February 6, 1990Assignee: Canon Kabushiki KaishaInventors: Tokihiko Ogura, Yoshiyuki Mizoguchi, Keiichi Ikeda, Tomishige Taguchi
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Patent number: 4888602Abstract: A recording apparatus for recording on a sheet with a recording device includes a sheet conveying device, a bipositional sheet guiding member and independently operable driving mechanisms for the sheet conveying device and the bipositional sheet guiding member, so that a sheet is properly fed to a recording position when the sheet guiding member is in one position, and the sheet is properly guided during recording when the guiding member is in another position.Type: GrantFiled: December 22, 1987Date of Patent: December 19, 1989Assignee: Canon Kabushiki KaishaInventors: Yoshitaka Watanabe, Yoshiyuki Mizoguchi, Hiroyuki Hiraga
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Patent number: 4884909Abstract: A low cost, compact ink jet recording apparatus effectively uses a single drive source for controlling paper feed and discharge operations. The apparatus comprises a feed mechanism for feeding a sheet to be printed, discharge rollers for discharging the printed sheet, a moving mechanism for engaging and disengaging the discharge rollers, and a single drive source for operating the feed mechanism, the discharge rollers and the moving mechanism. The apparatus increases sheet feeding reliability by disengaging the discharge rollers during printing. Because the sheet feed mechanism, moving mechanism and discharge rollers are operated by a single drive source, a simpler structure is possible.Type: GrantFiled: December 22, 1987Date of Patent: December 5, 1989Assignee: Canon Kabushiki KaishaInventors: Yoshitaka Watanabe, Yoshiyuki Mizoguchi, Hiroyuki Hiraga
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Patent number: 4831455Abstract: A picture reading apparatus is disclosed which comprises a camera which converts a picture to be read to an electric signal, a supporting member for supporting the camera movably, and a voice input unit. A control device serves to minimize the output from the voice input unit during movement of the supporting member. Thus while a mechanism for moving the camera is in operation, the output from the voice input unit is minimized to suppress the output of operational noise.Type: GrantFiled: February 18, 1987Date of Patent: May 16, 1989Assignee: Canon Kabushiki KaishaInventors: Tadashi Ishikawa, Yoshitaka Watanabe, Yoshiyuki Mizoguchi
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Patent number: 4825295Abstract: An image reading apparatus comprising:a mounting plate of an image to be read; a supporting device coupled with the mounting plate; a converter, supported by the supporting device, for converting the image to an electric signal; and a monitor display unit, supported by the supporting device, for displaying on the basis of the electric signal.Type: GrantFiled: August 7, 1986Date of Patent: April 25, 1989Assignee: Canon Kabushiki KaishaInventors: Tadashi Ishikawa, Yoshitaka Watanabe, Toyokazu Mizogui, Takao Kinoshita, Akihiko Tojo, Yasutomo Suzuki, Yoshiyuki Mizoguchi
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Patent number: 4727437Abstract: A recording apparatus includes recording means for recording information on a continuous recording medium at a recording position; means for supplying the recording medium to the recording position and delivering it from the recording position; first detecting means, arranged at a delivery side of the recording medium with respect to the recording position, for detecting the presence/absence of the recording medium; and second detecting means, arranged at a feed side of the recording medium with respect to the recording position, for detecting the presence/absence of the recording medium. The second detecting means is spaced apart from the recording position by a distance longer than a length of one page of an image to be recorded.Type: GrantFiled: December 30, 1986Date of Patent: February 23, 1988Assignee: Canon Kabushiki KaishaInventor: Yoshiyuki Mizoguchi
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Patent number: 4075100Abstract: A dialysis unit and a dialysis apparatus employing the dialysis unit which can perform dialysis at a very high efficiency. The unit comprises a vast plurality of semi-permeable hollow fibers substantially equal in length, which fibers are gathered to form a bundle and bonded in liquid-tight connection at both ends portions thereof. This bundle of hollow fibers is loosely encased in a casing having a plurality of openings substantially uniformly distributed all over the casing. The dialysis unit is put in a dialyzate bath having therein a means for making a forced current of the dialyzate. The dialyzate flows into the casing through the openings and acts upon the bundle of hollow fibers from all directions. Accordingly, the dialyzate can flow freely inside and outside the bundle, while maintaining good contact between the dialyzate and the surfaces of the fibers, even in the inner portion of the bundle.Type: GrantFiled: December 2, 1975Date of Patent: February 21, 1978Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Tadaaki Furuta, Kenji Inagaki, Yoshiyuki Mizoguchi, Noboru Fujikawa, Naoya Kominami
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Patent number: 4025436Abstract: A liquid treatment apparatus which can perform dialysis at a very high efficiency and which is suitable for dialysis of human blood is provided. The apparatus comprises a bundle of a vast plurality of semi-permeable hollow fibers substantially equal in length, which is gathered and bonded only at both end portions thereof. An inside liquid is permitted to flow the interior of the individual hollow fibers. This bundle of hollow fibers is loosely suspended in a vessel having a substantially U-shaped passage for an outside liquid, and the two gathered and bonded portions of the fiber bundle are connected to the vessel at two spaced-apart openings formed on the top face of the vessel. A dialyzate flowing outside the hollow fibers is introduced from an introduction opening formed in the bottom face of the vessel.Type: GrantFiled: September 5, 1975Date of Patent: May 24, 1977Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Nobuaki Tsuda, Kenji Inagaki, Tamotu Imamiya, Kunio Ohno, Yoshiyuki Mizoguchi