Patents by Inventor Koji Kawamura
Koji Kawamura 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).
-
Publication number: 20130335138Abstract: Digital signals with higher resolution are generated from dual-phase encode signals indicating phase changes of a position or an angle of a target. A signal processing apparatus for processing dual-phase encode signals indicating changes in position of a target, comprises: a first noise reduction unit configured to remove high frequency noise from each of the dual-phase encode signals before interpolation processing; an interpolating unit configured to apply interpolation processing to the dual-phase encode signals output from the first noise reduction unit to generate dual-phase encode signals with higher resolution; and a second noise reduction unit configured to remove noise from the dual-phase encode signals output from the interpolating unit.Type: ApplicationFiled: May 8, 2013Publication date: December 19, 2013Applicant: CANON KABUSHIKI KAISHAInventor: Koji Kawamura
-
Publication number: 20120275822Abstract: An image forming apparatus for forming a color image on a recording material includes mounting means for detachably mounting a plurality of process cartridges each including a photosensitive drum and a developing roller. Movable members are provided that are actable on first and second clutches for switching between an operation state for transmitting the driving force to the developing rollers and a non-operation state not transmitting the driving force thereto. Also provided is a switching member for switching among a first mode for transmitting the driving force to the developing rollers of all of the process cartridges, a second mode for not transmitting the driving force to any one of the developing rollers, and a third mode for transmitting the driving force only to the developing roller of a black process cartridge.Type: ApplicationFiled: July 5, 2012Publication date: November 1, 2012Applicant: CANON KABUSHKI KAISHAInventor: Koji Kawamura
-
Publication number: 20120251347Abstract: A compressor with a transmission includes a clutch that varies the rotational speed of an output shaft between two different speeds. The clutch includes a friction layer, which secures a ring roller by movement of the ring roller in a first direction (securing direction), a first control chamber, a first control piston accommodated in the first control chamber and movable in the direction of an input shaft axis, a first thrust bearing between the first control piston and the ring roller, a second control chamber facing the first control chamber, a second control piston accommodated in the second control chamber and movable in the direction of the axis), a second thrust bearing between the second control piston and the ring roller, and a pressure control mechanism, which controls a first control pressure supplied to the first control chamber and a second control pressure supplied to the second control chamber.Type: ApplicationFiled: March 22, 2012Publication date: October 4, 2012Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Yoshio KIMOTO, Noriyuki SHINTOKU, Masaki OTA, Nobuaki HOSHINO, Koji KAWAMURA, Yusuke YAMAZAKI
-
Publication number: 20120220972Abstract: An absorbent article adapted to accelerate an absorption rate of the absorbent member, to enlarge an absorption area in the absorbent member and to improve an absorption capacity of the absorbent member. A urine absorption pad includes a topsheet, a backsheet, a first layer element and a second layer element. The first layer element is formed with a slot-like first through hole extending nearly vertically in a thickness direction from its upper surface to its lower surface. The second layer element is formed with a slot-like second through hole extending nearly vertically in the thickness direction from its upper surface to its lower surface and overlapping with the first through hole.Type: ApplicationFiled: November 10, 2010Publication date: August 30, 2012Applicant: UNI-CHARM CORPORATIONInventors: Koji Kawamura, Noriyuki Kurita
-
Patent number: 8238795Abstract: An image forming apparatus for forming a color image on a recording material includes mounting means for detachably mounting a plurality of process cartridges each including a photosensitive drum and a developing roller. Movable members are provided that are actable on first and second clutches for switching between an operation state for transmitting the driving force to the developing rollers and a non-operation state not transmitting the driving force thereto. Also provided is a switching member for switching among a first mode for transmitting the driving force to the developing rollers of all of the process cartridges, a second mode for not transmitting the driving force to any one of the developing rollers, and a third mode for transmitting the driving force only to the developing roller of a black process cartridge.Type: GrantFiled: January 19, 2012Date of Patent: August 7, 2012Assignee: Canon Kabushiki KaishaInventor: Koji Kawamura
-
Publication number: 20120142932Abstract: A novel method for manufacturing 5-methyl-2-(piperidin-4-ylamino)pyridine is established. This method can be used as an industrial manufacturing method to produce a 4-(5-methylpyridin-2-ylamino)piperidine-1-carboxylic acid derivative represented by the general formula, (wherein R represents a linear or branched alkyl group having 1 to 6 carbon atoms or an aralkyl group having 7 to 12 carbon atoms) in a reaction solution having an aromatic monocyclic hydrocarbon as a reaction medium, in the presence of sodium triacetoxyborohydride as a reducing agent, or after adding sodium borohydride and acetic acid to the reaction solution in advance.Type: ApplicationFiled: September 7, 2010Publication date: June 7, 2012Inventors: Koji Kawamura, Keita Miyoshi, Emi Kobayashi
-
Publication number: 20120114376Abstract: An image forming apparatus for forming a color image on a recording material includes mounting means for detachably mounting a plurality of process cartridges each including a photosensitive drum and a developing roller. Movable members are provided that are actable on first and second clutches for switching between an operation state for transmitting the driving force to the developing rollers and a non-operation state not transmitting the driving force thereto. Also provided is a switching member for switching among a first mode for transmitting the driving force to the developing rollers of all of the process cartridges, a second mode for not transmitting the driving force to any one of the developing rollers, and a third mode for transmitting the driving force only to the developing roller of a black process cartridge.Type: ApplicationFiled: January 19, 2012Publication date: May 10, 2012Applicant: CANON KABUSHIKI KAISHAInventor: Koji Kawamura
-
Patent number: 8116664Abstract: An image forming apparatus forming a color image on a recording material mounts black and non-black process cartridges including a photosensitive drum and a developing roller and includes a driving source; first and second clutches connecting and disconnecting the driving source and the developing roller of the black and non-black cartridges, respectively; first and second members actable on the first and second clutches, respectively, each for switching between operation and non-operation states for respectively transmitting and not transmitting a driving force to the developing rollers; and a switching member, movable by the driving force of the driving source and actable on the first and second members for switching among first, second, and third modes, for respectively transmitting the driving force to the developing rollers of all of the process cartridges, to any one of the developing rollers, and only to the developing roller of the black process cartridge.Type: GrantFiled: September 27, 2010Date of Patent: February 14, 2012Assignee: Canon Kabushiki KaishaInventor: Koji Kawamura
-
Patent number: 7922171Abstract: A slide cassette is slidably provided in a main cassette of a sheet cassette. When a sheet with a size larger than that of a sheet which may be stored in the main cassette is stored, the slide cassette is sled and moved to extend the sheet cassette. There is provided a fixing portion which may fix the slide cassette and the main cassette in a state in which the sheet cassette is in a shortened or an extended state by sliding the slide cassette. The fixing portion releases the fixing by an operation in which the slide cassette is sled in a shortening direction or extending direction.Type: GrantFiled: January 24, 2008Date of Patent: April 12, 2011Assignee: Canon Kabushiki KaishaInventors: Koji Kawamura, Yasuzumi Taba
-
Publication number: 20110026972Abstract: An image forming apparatus forming a color image on a recording material mounts black and non-black process cartridges including a photosensitive drum and a developing roller and includes a driving source; first and second clutches connecting and disconnecting the driving source and the developing roller of the black and non-black cartridges, respectively; first and second members actable on the first and second clutches, respectively, each for switching between operation and non-operation states for respectively transmitting and not transmitting a driving force to the developing rollers; and a switching member, movable by the driving force of the driving source and actable on the first and second members for switching among first, second, and third modes, for respectively transmitting the driving force to the developing rollers of all of the process cartridges, to any one of the developing rollers, and only to the developing roller of the black process cartridge.Type: ApplicationFiled: September 27, 2010Publication date: February 3, 2011Applicant: CANON KABUSHKI KAISHAInventor: Koji Kawamura
-
Patent number: 7826773Abstract: An image forming apparatus detachably mounts black and non-black cartridges each including a photosensitive drum and a developing roller. The apparatus includes a driving source; first and second clutches for connecting and disconnecting between the driving source and the developing roller of the black and non-black cartridges, respectively; movable first and second members actable on the first and second clutches, respectively, for switching between transmitting the driving force to the developing rollers and not transmitting the driving force; and a switching member, movable by the driving force of the driving source and actable on the first and second members for switching among first, second, and third modes for transmitting the driving force to the developing rollers of all of the cartridges, not transmitting the driving force to any one of the rollers, and transmitting the driving force only to the developing roller of the black cartridge.Type: GrantFiled: January 10, 2007Date of Patent: November 2, 2010Assignee: Canon Kabushiki KaishaInventor: Koji Kawamura
-
Publication number: 20100239271Abstract: A color electrophotographic image forming apparatus for forming an image on a recording material, wherein plurality of cartridges are detachably mounted to a main assembly of the apparatus, the color electrophotographic image forming apparatus includes a cartridge supporting member for supporting the cartridges, the cartridge supporting member being movable between an inside position which is in the main assembly the outside position which is out of the main assembly; a belt unit including a feeding belt for feeding a recording material on which the image is to be formed; and locking means for locking the cartridge supporting member and the belt unit in the state that the feeding belt and the cartridge are contacted to each other, wherein the belt unit and the cartridge supporting member in the state of being locked by the locking means are movable from the inside position to the outside position, and the feeding belt and the cartridge are capable of being spaced from each other by releasing the locking meansType: ApplicationFiled: February 26, 2010Publication date: September 23, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Koji Kawamura, Seiji Inada
-
Patent number: 7773911Abstract: An electrophotographic image forming apparatus detachably mounts plural process cartridges. Each cartridge includes an electrophotographic photosensitive drum, a developing roller, a drum frame and a roller frames movable between a contact position where the roller contacts the drum and a spacing position where the roller is spaced from the drum. The apparatus includes a drawing member detachably mounting the cartridges and movable substantially horizontally crossing an axial direction of the drums between a mount position where the cartridges are mounted in a main assembly of the apparatus and a drawn position drawn out of the main assembly, a spacer movable between a retracted position where the drawing member is retracted from a movement path of the cartridges to permit movement of the mounted cartridges and an operating position where the drawing member is in the movement path to move the drum frames between the contact and spacing positions.Type: GrantFiled: January 11, 2007Date of Patent: August 10, 2010Assignee: Canon Kabushiki KaishaInventor: Koji Kawamura
-
Patent number: 7763001Abstract: An absorbent article includes a fluid permeable top sheet, a fluid impermeable back sheet, and an absorbent body disposed therebetween, and in addition is provided with an evagination means extending in a longitudinal direction between the top sheet and the back sheet. The top sheet has a first attachment region attached to the evagination means, second attachment regions attached to the vicinity of both side edges of the absorbent article, and an unattached region positioned between the regions. In the unattached region, many inflected creases, in particular, diagonally directed creases directed from the first attachment region towards both side edges are generated.Type: GrantFiled: October 26, 2006Date of Patent: July 27, 2010Assignee: Uni-Charm CorporationInventor: Koji Kawamura
-
Patent number: 7679772Abstract: In a printing apparatus which performs printing by scanning a carriage, which supports a printhead having a plurality of printing elements arrayed in a predetermined direction, relative to a printing medium in a direction perpendicular to the predetermined direction, printing data of a raster format obtained by processing transmitted image information into data used for printing, or printing data transmitted in the raster format is stored in a printing data memory. The printing data stored in the printing data memory is stored in a buffer memory having a storage area corresponding to each printing element. A head parameter unit stores information on the printhead arrangement. Processing of reading out the printing data stored in the printing data memory and storing the printing data in the buffer memory, and processing of reading out the printing data stored in the buffer memory are controlled in accordance with the information stored in the head parameter unit.Type: GrantFiled: March 22, 2004Date of Patent: March 16, 2010Assignee: Canon Kabushiki KaishaInventors: Hiroki Kitamura, Hisashi Ishikawa, Koji Kawamura
-
Publication number: 20090081075Abstract: A highly versatile method of a sterilization and a sterilization apparatus, in which objects with poor heat resistance that are to be sterilized, such as plastic products, can be sterilized without incurring thermal damage, with such a strong sterilization power that spores can be killed. A treatment chamber is filled with a treatment gas containing HCHO, and any sterilization objects placed in the treatment chamber are sterilized. During sterilization, while maintaining the interior of the treatment chamber at a pre-determined temperature (T1), the treatment gas is fed into the treatment chamber, and the sterilization objects are exposed to the treatment gas for a pre-determined period of time (h1).Type: ApplicationFiled: August 10, 2005Publication date: March 26, 2009Inventors: Tomohiko Hashiba, Koji Kawamura
-
Publication number: 20080194826Abstract: A compound represented the general formula (V): wherein X is CH or N; and Ya is a group of the general formula selected from:Type: ApplicationFiled: March 20, 2008Publication date: August 14, 2008Inventors: Ryuuta Fukutomi, Hitoshi Inoue, Koji Kawamura, Takuya Kishimoto, Masashi Suzuki, Rie Shibayama, Kazuko Kojima, Kouichirou Hagihara
-
Publication number: 20080179820Abstract: A slide cassette is slidably provided in a main cassette of a sheet cassette. When a sheet with a size larger than that of a sheet which may be stored in the main cassette is stored, the slide cassette is sled and moved to extend the sheet cassette. There is provided a fixing portion which may fix the slide cassette and the main cassette in a state in which the sheet cassette is in a shortened or an extended state by sliding the slide cassette. The fixing portion releases the fixing by an operation in which the slide cassette is sled in a shortening direction or extending direction.Type: ApplicationFiled: January 24, 2008Publication date: July 31, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Koji Kawamura, Yasuzumi Taba
-
Patent number: 7375115Abstract: There are provided novel 4(2-furoyl)aminopiperidines represented by the general formula (I), their synthetic intermediates, processes for their preparation and medicaments containing them. In the above formula, X is OH or N, and Y is a group of the following general formula (II), formula (II-a) or formula (III): wherein a, b and c are each an integer of 0-6; Z is CH2 or NH; W is O or S; T is O or N—R15 wherein R15 is H, a C1-C6 alkyl group, a benzyl group or a phenethyl group; and R1 is H, a C1-C6 alkoxycarbonyl group, a benzyloxy-carbonyl group, or the like. The 4-(2-furoyl)aminopiperidine derivatives according to this invention possess opioid ? antagonistic activity and are useful for the treatment or prevention of side effects which are caused by ? receptors agonist and which are selected from constipation, nausea/emesis or itch, or for the treatment or prevention of idiopathic constipation, postoperative ileus, paralytic ileus, irritable bowel syndrome or chronic pruritus.Type: GrantFiled: October 8, 2002Date of Patent: May 20, 2008Assignees: Kyorin Pharmaceutical Co., Ltd., Nisshin Pharma Inc.Inventors: Ryuuta Fukutomi, Hitoshi Inoue, Koji Kawamura, Takuya Kishimoto, Masashi Suzuki, Rie Shibayama, Kazuko Kojima, Kouichirou Hagihara
-
Publication number: 20070177899Abstract: An image forming apparatus detachably mounts black and non-black cartridges each including a photosensitive drum and a developing roller. The apparatus includes a driving source; first and second clutches for connecting and disconnecting between the driving source and the developing roller of the black and non-black cartridges, respectively; movable first and second members actable on the first and second clutches, respectively, for switching between transmitting the driving force to the developing rollers and not transmitting the driving force; and a switching member, movable by the driving force of the driving source and actable on the first and second members for switching among first, second, and third modes for transmitting the driving force to the developing rollers of all of the cartridges, not transmitting the driving force to any one of the rollers, and transmitting the driving force only to the developing roller of the black cartridge.Type: ApplicationFiled: January 10, 2007Publication date: August 2, 2007Applicant: CANON KABUSHIKI KAISHAInventor: Koji KAWAMURA