Patents by Inventor Kazushige Kawamura
Kazushige 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).
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Patent number: 8339682Abstract: In a lighting device, a light source emits light. A second sandwiching member includes a second opposed surface opposing a first opposed surface of a first sandwiching member. The first sandwiching member and the second sandwiching member sandwich the light source in such a manner that the light source is detachably attached to the first sandwiching member and the second sandwiching member. A reflection member is provided on the first opposed surface of the first sandwiching member and the second opposed surface of the second sandwiching member to reflect the light emitted by the light source toward an irradiation region on an original document sheet. A positioning member is provided in the first opposed surface of the first sandwiching member and the second opposed surface of the second sandwiching member to position the light source with respect to the reflection member.Type: GrantFiled: June 5, 2009Date of Patent: December 25, 2012Assignee: Ricoh Company, Ltd.Inventors: Kazushige Kawamura, Tetsuya Fujioka, Yasuo Sakurai, Yasunobu Youda
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Patent number: 8253987Abstract: In an image reader, an optical scanning unit reads an original image on an original document sheet. In the optical scanning unit, a lighting device is detachably attached to a housing to emit light toward the original document sheet. The housing houses a reading device to read the light reflected by the original document sheet. A shield member is detachably attached to the housing to shield the reading device from the lighting device to form a space for the reading device inside the housing. A slit is provided in the shield member to guide the light reflected by the original document sheet to the space for the reading device. A second positioner is provided on the shield member to engage a first positioner provided in the housing to position the reading device with respect to the lighting device.Type: GrantFiled: June 5, 2009Date of Patent: August 28, 2012Assignee: Ricoh Company, LimitedInventors: Tetsuya Fujioka, Kazushige Kawamura, Yasunobu Youda, Yasuo Sakurai
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Publication number: 20120181229Abstract: A method of treating wastewater containing an organic compound includes feeding wastewater to an anoxic tank, adding compounds containing nitrogen and phosphorus components to wastewater, performing anaerobic treatment on wastewater, and discharging treated wastewater as pre-treated water; introducing pre-treated water into an anaerobic treatment tank, performing anaerobic treatment on pre-treated water, thereby decomposing the organic compound into organic compounds of smaller molecular size and a mixture gas containing methane and carbon dioxide, and discharging treated water as primary water; introducing primary water into an aerobic treatment tank, performing aerobic treatment on primary water, and discharging treated water through a solid-liquid separator as secondary water; and introducing at least a part of secondary water into a reverse osmosis membrane separation unit, and separating part of secondary water into RO permeated water and RO concentrated brine, wherein at least a part of RO concentratedType: ApplicationFiled: September 1, 2010Publication date: July 19, 2012Applicants: TORAY INDUSTRIES, INC., CHIYODA CORPORATIONInventors: Masayo Shinohara, Kazushige Kawamura, Hiromi Satoh, Toshinobu Imahama, Atsushi Kitanaka, Masahide Taniguchi
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Patent number: 8204431Abstract: In an image forming apparatus, when a first sheet discharger discharges a sheet bearing an image in a first direction from a proximal end to a distal end of the image forming apparatus, a post-processing device performs post-processing including at least one of stapling, punching, stamping, and sorting of the sheet discharged from the first sheet discharger. After a second sheet discharger discharges the processed sheet in a second direction opposite to the first direction in which the first sheet discharger discharges the sheet bearing the image, a sheet stacker stacks the sheet discharged from the second sheet discharger. A sheet conveyance path is provided between the first sheet discharger and the second sheet discharger. An opening is provided between the sheet stacker and an image reader so that the sheet discharged from the second sheet discharger can be retrieved from the sheet stacker in the second direction.Type: GrantFiled: September 15, 2008Date of Patent: June 19, 2012Assignee: Ricoh Company, Ltd.Inventors: Takamasa Shiraki, Takayuki Andoh, Kohji Hatayama, Yoshihide Ohta, Masato Ogawa, Tetsuya Fujioka, Takuji Takahashi, Yasunobu Youda, Kazushige Kawamura
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Patent number: 8194255Abstract: An image forming apparatus includes an apparatus body, a cover section, an image reading device including a document hold member and a document hold member cover, and a lock mechanism. When the document hold member cover is not in close contact with the document hold member, the lock mechanism prevents opening of the cover section or sliding of the image reading device.Type: GrantFiled: September 10, 2008Date of Patent: June 5, 2012Assignee: Ricoh Company, Ltd.Inventors: Takayuki Andoh, Takuji Takahashi, Takamasa Shiraki, Yoshihide Ohta, Kohji Hatayama, Kazushige Kawamura, Tetsuya Fujioka, Masato Ogawa, Taku Kudoh
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Patent number: 8167019Abstract: A shade apparatus for a vehicle includes a guide rail mechanism adapted to be arranged along a side portion of an inner periphery of an opening formed in an interior ceiling member of the vehicle, a shade panel mechanism slidably supported by the guide rail mechanism, configured to open and close the opening of the interior ceiling member, and including first and second shade panels, an engaging member arranged at one of the first and second shade panels, and an elastic member arranged at the other of the first and second shade panels and including a fixing portion and a deformable portion. The first and second shade panels move as a unit in the moving direction after one of the first and second shade panels moves relative to the other of the first and second shade panels in the moving direction and the engaging member engages with the elastic member.Type: GrantFiled: November 17, 2009Date of Patent: May 1, 2012Assignee: Aisin Seiki Kabushiki KaishaInventors: Makoto Muranaka, Shinji Sakai, Kazuki Sawada, Kazushige Kawamura
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Patent number: 7937028Abstract: Disclosed is an image forming apparatus including a toner feed unit used in a developing device and provided near a top surface of a body casing. The toner feed unit includes a frame that includes a toner container storage space portion including a curved concave portion formed of a material different from a material constituting the body casing, and has supporting surfaces, in a part of a top surface of the space, that support side portions of a device mounted on the body casing and a rear portion of the device connected to the side portions by surface contact. The frame has legs that extend from a position, which is located opposite to the device to be mounted, toward an installation surface of the body casing. The frame is built in the body casing.Type: GrantFiled: July 7, 2009Date of Patent: May 3, 2011Assignee: Ricoh Company, LimitedInventors: Masato Ogawa, Tetsuya Fujioka, Takuji Takahashi, Takamasa Shiraki, Yoshihide Ohta, Kazushige Kawamura, Kohji Hatayama
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Publication number: 20110020205Abstract: A carbon-based catalyst for flue gas desulfurization is brought into contact with a flue gas containing at least SO2 gas, oxygen and water vapor so that the SO2 gas can react with the oxygen and the water vapor to form sulfuric acid which is to be recovered. On a surface of the carbon-based catalyst, iodine, bromine or a compound thereof is added, ion exchanged or supported and a water-repellent treatment is applied. The carbon-based catalyst can also be used as a mercury adsorbent for flue gas treatment for adsorbing and removing metallic mercury from a flue gas containing metallic mercury, SO2 gas, oxygen and water vapor.Type: ApplicationFiled: June 4, 2008Publication date: January 27, 2011Applicant: CHIYODA CORPORATIONInventors: Kazushige Kawamura, Dai Takeda, Eiji Awai
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Patent number: 7873297Abstract: An image forming apparatus includes an imaging unit for black and imaging units for other colors, a writing unit for black and a writing unit for other colors, a first heater corresponding to the imaging unit and the writing unit for black color, and a second heater corresponding to the imaging units and the writing unit for other colors. Turning ON/OFF of each of the first heater and the second heater are controlled separately. Thus, the first heater can be ON while the second heater is OFF.Type: GrantFiled: July 20, 2007Date of Patent: January 18, 2011Assignee: Ricoh Company, Ltd.Inventors: Takayuki Andoh, Takamasa Shiraki, Masahiko Yamada, Takeshi Washio, Hiroshi Ishii, Kazushige Kawamura, Keisuke Shimizu
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Publication number: 20100122778Abstract: A shade apparatus for a vehicle includes a guide rail mechanism adapted to be arranged along a side portion of an inner periphery of an opening formed in an interior ceiling member of the vehicle, a shade panel mechanism slidably supported by the guide rail mechanism, configured to open and close the opening of the interior ceiling member, and including first and second shade panels, an engaging member arranged at one of the first and second shade panels, and an elastic member arranged at the other of the first and second shade panels and including a fixing portion and a deformable portion. The first and second shade panels move as a unit in the moving direction after one of the first and second shade panels moves relative to the other of the first and second shade panels in the moving direction and the engaging member engages with the elastic member.Type: ApplicationFiled: November 17, 2009Publication date: May 20, 2010Inventors: Makoto Muranaka, Shinji Sakai, Kazuki Sawada, Kazushige Kawamura
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Publication number: 20100061909Abstract: An exhaust gas treating method removes sulfur dioxide from exhaust gas containing at least sulfur dioxide and mercury by bringing the exhaust gas into contact with absorption liquid. Persulfate is added into the absorption liquid or alternatively, iodine gas is added to the exhaust gas before the exhaust gas is brought into contact with the absorption liquid. A high removal rate for both sulfur dioxide and mercury is stably maintained if the load of power generation and the composition of exhaust gas fluctuate.Type: ApplicationFiled: March 5, 2008Publication date: March 11, 2010Applicant: CHIYODA CORPORATIONInventors: Kazushige Kawamura, Dai Takeda, Eiji Awai, Akira Kumagai
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Publication number: 20100021211Abstract: Disclosed is an image forming apparatus including a toner feed unit used in a developing device and provided near a top surface of a body casing. The toner feed unit includes a frame that includes a toner container storage space portion including a curved concave portion formed of a material different from a material constituting the body casing, and has supporting surfaces, in a part of a top surface of the space, that support side portions of a device mounted on the body casing and a rear portion of the device connected to the side portions by surface contact. The frame has legs that extend from a position, which is located opposite to the device to be mounted, toward an installation surface of the body casing. The frame is built in the body casing.Type: ApplicationFiled: July 7, 2009Publication date: January 28, 2010Inventors: Masato Ogawa, Tetsuya Fujioka, Takuji Takahashi, Takamasa Shiraki, Yoshihide Ohta, Kazushige Kawamura, Kohji Hatayama
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Publication number: 20090316224Abstract: In a lighting device, a light source emits light. A second sandwiching member includes a second opposed surface opposing a first opposed surface of a first sandwiching member. The first sandwiching member and the second sandwiching member sandwich the light source in such a manner that the light source is detachably attached to the first sandwiching member and the second sandwiching member. A reflection member is provided on the first opposed surface of the first sandwiching member and the second opposed surface of the second sandwiching member to reflect the light emitted by the light source toward an irradiation region on an original document sheet. A positioning member is provided in the first opposed surface of the first sandwiching member and the second opposed surface of the second sandwiching member to position the light source with respect to the reflection member.Type: ApplicationFiled: June 5, 2009Publication date: December 24, 2009Inventors: Kazushige Kawamura, Tetsuya Fujioka, Yasuo Sakurai, Yasunobu Youda
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Publication number: 20090316225Abstract: In an image reader, an optical scanning unit reads an original image on an original document sheet. In the optical scanning unit, a lighting device is detachably attached to a housing to emit light toward the original document sheet. The housing houses a reading device to read the light reflected by the original document sheet. A shield member is detachably attached to the housing to shield the reading device from the lighting device to form a space for the reading device inside the housing. A slit is provided in the shield member to guide the light reflected by the original document sheet to the space for the reading device. A second positioner is provided on the shield member to engage a first positioner provided in the housing to position the reading device with respect to the lighting device.Type: ApplicationFiled: June 5, 2009Publication date: December 24, 2009Inventors: Tetsuya Fujioka, Kazushige Kawamura, Yasunobu Youda, Yasuo Sakurai
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Publication number: 20090162082Abstract: An image forming apparatus includes an image forming unit, a first sheet stack portion, a sheet output section, and a post processing unit. The image forming unit forms an image on a sheet. The first sheet stack portion is provided at an upper face of the image forming unit. The sheet output section outputs the sheet on which the image is formed by the image forming unit from one side of the image forming apparatus to the first sheet stack portion. The post processing unit is provided adjacent to a lateral side of the image forming unit at an upstream side of the sheet output section to execute post processing on the sheet. A sheet subjected to post-processing by the post-processing unit is output to the first sheet stack portion from the same direction as a sheet not subjected to post-processing by the post-processing unit.Type: ApplicationFiled: December 23, 2008Publication date: June 25, 2009Inventors: Takamasa Shiraki, Kazushige Kawamura, Yoshihide Ohta, Takayuki Andoh, Masato Ogawa, Takuji Takahashi, Tetsuya Fujioka, Yasunobu Youda, Kohji Hatayama
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Publication number: 20090122330Abstract: An image forming apparatus includes an apparatus body, a cover section, an image reading device including a document hold member and a document hold member cover, and a lock mechanism. When the document hold member cover is not in close contact with the document hold member, the lock mechanism prevents opening of the cover section or sliding of the image reading device.Type: ApplicationFiled: September 10, 2008Publication date: May 14, 2009Inventors: Takayuki Andoh, Takuji Takahashi, Takamasa Shiraki, Yoshihide Ohta, Kohji Hatayama, Kazushige Kawamura, Tetsuya Fujioka, Masato Ogawa, Taku Kudoh
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Publication number: 20090074495Abstract: In an image forming apparatus, when a first sheet discharger discharges a sheet bearing an image in a first direction from a proximal end to a distal end of the image forming apparatus, a post-processing device performs post-processing including at least one of stapling, punching, stamping, and sorting of the sheet discharged from the first sheet discharger. After a second sheet discharger discharges the processed sheet in a second direction opposite to the first direction in which the first sheet discharger discharges the sheet bearing the image, a sheet stacker stacks the sheet discharged from the second sheet discharger. A sheet conveyance path is provided between the first sheet discharger and the second sheet discharger. An opening is provided between the sheet stacker and an image reader so that the sheet discharged from the second sheet discharger can be retrieved from the sheet stacker in the second direction.Type: ApplicationFiled: September 15, 2008Publication date: March 19, 2009Inventors: Takamasa Shiraki, Takayuki Andoh, Kohji Hatayama, Yoshihide Ohta, Masato Ogawa, Tetsuya Fujioka, Takuji Takahashi, Yasunobu Youda, Kazushige Kawamura
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Patent number: 7454157Abstract: The present invention provides an image forming device capable of forming high-quality images and affording high-precision rotating shaft parallelism between surface mobile bodies, and a unit position adjustment method for adjusting the position of a surface mobile body unit relative to the main body of the image forming device. The image forming device includes a front fixing guide plate as a unit support member for fixing, to a front plate of a structure, a fixing unit serving as a surface mobile body unit which includes a fixing roller being a surface mobile body, and an upper portion eccentric cam and a horizontal portion eccentric cam serving as a unit position adjustment member for adjusting the position of the front fixing guide plate relative to the front plate.Type: GrantFiled: September 12, 2006Date of Patent: November 18, 2008Assignee: Ricoh Company, Ltd.Inventors: Masahiko Yamada, Takayuki Andoh, Takamasa Shiraki, Kohta Takenaka, Kazushige Kawamura, Hiroshi Ishii, Keisuke Shimizu
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Patent number: 7387374Abstract: The droplet ejection head comprises: a nozzle through which a droplet of liquid is ejected; a pressure chamber which is connected to the nozzle and filled with the liquid to be ejected through the nozzle; a diaphragm which defines a part of the pressure chamber; an electromechanical transducer which is deformed to drive the diaphragm to apply pressure to the liquid inside the pressure chamber so as to cause the droplet to be ejected through the nozzle; and a mechanoelectrical transducer which determines oscillation state in the pressure chamber, wherein the electromechanical transducer and the mechanoelectrical transducer are arranged on the diaphragm in layers.Type: GrantFiled: December 3, 2004Date of Patent: June 17, 2008Assignee: FUJIFILM CorporationInventor: Kazushige Kawamura
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Publication number: 20080025751Abstract: An image forming apparatus includes an imaging unit for black and imaging units for other colors, a writing unit for black and a writing unit for other colors, a first heater corresponding to the imaging unit and the writing unit for black color, and a second heater corresponding to the imaging units and the writing unit for other colors. Turning ON/OFF of each of the first heater and the second heater are controlled separately. Thus, the first heater can be ON while the second heater is OFF.Type: ApplicationFiled: July 20, 2007Publication date: January 31, 2008Inventors: Takayuki Andoh, Takamasa Shiraki, Masahiko Yamada, Takeshi Washio, Hiroshi Ishii, Kazushige Kawamura, Keisuke Shimizu