Patents by Inventor Junichi Ichikawa
Junichi Ichikawa 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: 9136719Abstract: A vehicular charge control apparatus in a vehicle controls a charge operation to the vehicle from an external power supply facility, by using a charge intention determination unit for determining whether a user of the vehicle has an intention to charge, a plug connection state determination unit for determining whether a charge plug is connected to the vehicle when the user's intention to charge is determined by the charge intention determination unit, and a notification execution unit for executing a predetermined notification process when loss of connection to the charge plug is determined by the plug connection state determination unit.Type: GrantFiled: January 26, 2012Date of Patent: September 15, 2015Assignee: DENSO CORPORATIONInventors: Junichi Ichikawa, Yoshio Koie
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Publication number: 20150212454Abstract: A pressing device includes a pressing member, a first lateral plate including a first connecting portion to support a first end of the pressing member, a second lateral plate including a second connecting portion to support a second end of the pressing member opposite to the first end, a first adjuster connected to the first lateral plate at the first connecting portion and to the second lateral plate at the second connecting portion, and a biasing member. The biasing member biases at least one of the first lateral plate, the second lateral plate, and the first adjuster to press the pressing member against the target in a pressing direction. The first adjuster is connected to the first lateral plate and the second lateral plate such that a relative position of the second connecting portion relative to the first connecting portion is changeable in the pressing direction.Type: ApplicationFiled: January 21, 2015Publication date: July 30, 2015Inventors: Junichi ICHIKAWA, Naohiro Kumagai, Seiichi Kogure, Junpei Fujita, Kazuki Yogosawa, Kenji Sugiura, Yuuji Wada, Yusuke Mitani
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Publication number: 20150055981Abstract: An image forming apparatus is provided, including a plurality of rollers; an endless belt mountable to the plurality of rollers from a proximal side of the image forming apparatus in an axial direction of the plurality of rollers; a first side plate to support one end of the plurality of rollers at the proximal side of the image forming apparatus in the axial direction; and a plurality of guide members, disposed at a more proximal side than the first side plate in the axial direction, to guide the belt to be mounted to the plurality of rollers with the guide members contacting the belt.Type: ApplicationFiled: August 19, 2014Publication date: February 26, 2015Inventors: Junpei FUJITA, Kenji Sugiura, Seiichi Kogure, Junichi Ichikawa, Kazuki Yogosawa
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Publication number: 20140321874Abstract: A cleaner is provided. The cleaner includes at least two cleaning brush members to electrostatically remove residual toner on an object; a memory; a voltage applicator to apply a voltage to the cleaning brush members based on the setup voltage values stored in the memory; a current detector to detect the amounts of currents flowing through contact portions of the object with the cleaning brush members; and a setup voltage changing device to change the setup voltage values based on the amounts of currents detected by the current detector. The setup voltage changing device performs change of the setup voltage values for the cleaning brush members at a time.Type: ApplicationFiled: April 17, 2014Publication date: October 30, 2014Inventors: Kenji Sugiura, Seiichi Kogure, Junpei Fujita, Junichi Ichikawa, Kazuki Yogosawa
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Publication number: 20140241744Abstract: A transfer device includes a nip forming member to contact a surface of an image bearing member to form a transfer nip therebetween, a pressing device, and a nip pressure changing device. The pressing device includes a plurality of elastic members, to produce a contact pressure between the nip forming member and the image bearing member according to a restoring force of at least one of the elastic members upon deformation of the elastic member. The nip pressure changing device changes an amount of elastic deformation of the elastic member between at least two stages to change a nip pressure of the transfer nip. While the contact pressure is produced by one of the elastic members, the nip pressure changing device changes the amount of elastic deformation of a different elastic member, different from the one that produces the contact pressure, to change the nip pressure of the transfer nip.Type: ApplicationFiled: February 20, 2014Publication date: August 28, 2014Inventors: Junichi ICHIKAWA, Seiichi KOGURE, Junpei FUJITA, Kazuki YOGOSAWA, Kenji SUGIURA
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Publication number: 20140219691Abstract: A method of transferring an image includes the steps of; bringing an image bearer bearing an image thereon as a transfer origin in contact with a transferring objective (onto which the image is transferred) as a transfer destination; moving at least one of the image bearer and the transferring objective in a prescribed direction; and sequentially transferring the image borne on the image bearer onto the transferring objective in a contacting section in which the image bearer and the transferring objective contact each other in a direction in which the image does not pass through the contacting section.Type: ApplicationFiled: January 24, 2014Publication date: August 7, 2014Inventors: Junichi Ichikawa, Kenji Sengoku, Shinya Tanaka, Junpei Fujita, Kunio Hasegawa
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Patent number: 8776750Abstract: An assembly for a valve train of an internal combustion engine, which has a hydraulic support element and a cam follower resting on one end via a bearing surface located on the bottom side thereof on a complimentary end side of a pressure piston of the support element. The piston extends across the outer shell in a bore of a crucible-shaped housing of the support element. The housing has an opening for hydraulic fluid, which is conductible via a channel between the housing and piston through a passage in the pressure piston to a storage chamber. In a section of a direct contact region between the bearing surface of the cam follower and end side of the piston, an anti-turn mechanism for the piston in relation to the cam follower is implemented. The piston is installed in a defined manner and is torsionally oriented in relation to the cam follower.Type: GrantFiled: July 29, 2010Date of Patent: July 15, 2014Assignee: Schaeffler Technologies AG & Co. KGInventors: Wolfgang Christgen, Frank Himsel, Junichi Ichikawa
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Patent number: 8643910Abstract: An image forming apparatus includes an acquiring unit that acquires image data expressing an image region included in an image with a first value and a background region included in the image with a second value; a segmenting unit that segments the image region into multiple segments arranged in a fast scanning direction; a converting unit that converts a value of at least one of the segments into the second value; an output unit that generates an image signal on the basis of the image data and outputs the image signal; an exposure unit that exposes a charged image bearing member to light according to the output image signal by scanning the light thereto in the fast scanning direction so as to form a latent image; and a developing unit that forms the image by developing the latent image using an invisible toner that absorbs infrared light or ultraviolet light.Type: GrantFiled: July 27, 2011Date of Patent: February 4, 2014Assignee: Fuji Xerox Co., Ltd.Inventor: Junichi Ichikawa
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Patent number: 8635979Abstract: A drag lever for actuating a gas exchange valve of an internal combustion engine. The drag lever includes an oblong lever body formed of sheet metal material, wherein the lever body has a bottom and side walls integrally formed at an angle of about 90° onto the bottom on both sides. A first end section of the lever body includes a joint socket formed into the bottom between the side walls. The joint socket serves to pivotally moveably support the drag lever on a joint head mounted stationary in the internal combustion engine. A middle section of the lever body is provided with a cam gripping surface, and a second end section of the lever body has a contact surface extending on the bottom. The contact surface serves for actuating the gas exchange valve. The lever body is dimensioned so as to have essentially the same width in a cross section through the joint socket and in a cross section through the middle section.Type: GrantFiled: August 2, 2011Date of Patent: January 28, 2014Assignee: Schaeffler Technologies AG & Co. KGInventors: Frank Himsel, Jochen Ott, Dirk Richter, Junichi Ichikawa
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Patent number: 8437672Abstract: A separation unit is provided on a downstream side of a contact area between a belt-like rotating body and a pressure rotating body. The separation unit includes a pressure member, a guide portion and a pressure portion. The pressure member extends along a width direction of the belt-like rotating body, and presses the belt-like rotating body to deform the belt-like rotating body into a bent shape changing a course away from a surface of the pressure rotating body. The guide portion is on the pressure rotating body side of the pressure member to guide the belt-like rotating body so that an angle portion of the bent shape bites into the pressure rotating body. The pressure portion is on the surface in the pressure rotating body side, and the surface separates sequentially from the pressure rotating body in the extending direction from a center portion to an end portion.Type: GrantFiled: September 28, 2010Date of Patent: May 7, 2013Assignee: Fuji Xerox Co., Ltd.Inventors: Sho Watanabe, Junichi Ichikawa, Junpei Amano, Aya Kakishima, Masaya Nakatsuhara
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Patent number: 8364068Abstract: A fixing device includes: a belt member provided to be circularly movable; a first fixing member disposed inside the belt member; a second fixing member that is disposed to be in press contact with the first fixing member across the belt member, and forms a press contact portion between the belt member and the second fixing member; a pressing member that presses the belt member against the second fixing member, the pressing member having a pressing surface that presses an inner peripheral surface of the belt member on a downstream side of the press contact portion in a moving direction of the belt member; and a suppressing unit that suppresses looseness in a portion of the belt member in the width direction thereof, the portion being located on the downstream side of the press contact portion and an upstream side of the pressing surface in the moving direction of the belt member.Type: GrantFiled: March 2, 2010Date of Patent: January 29, 2013Assignee: Fuji Xerox Co., Ltd.Inventors: Junichi Ichikawa, Junpei Amano, Aya Kakishima, Masaya Nakatsuhara, Sho Watanabe
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Patent number: 8315530Abstract: A fixing device includes a heating roller that is internally provided with a heat source member and is rotated by a drive unit; an endless fixing belt that is entrained around the heating roller and heated thereby, and is provided with a surface layer that contacts a recording medium, and the yield stress of a material forming the surface layer is varied according to the temperature of the material; a pressure member that is provided facing the heating roller and presses the recording medium, on which a toner image has been formed, against the fixing belt; a travel direction alteration member that contacts the fixing belt and changes the direction of travel of the fixing belt by bending the fixing belt; and a drive control section that operates the drive unit and rotates the heating roller after the heating roller has been heated such that the endless fixing belt is heated by the heating roller to a predetermined temperature where the yield stress of a material forming the surface layer of the fixing belt isType: GrantFiled: May 20, 2009Date of Patent: November 20, 2012Assignee: Fuji Xerox Co., Ltd.Inventor: Junichi Ichikawa
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Publication number: 20120218566Abstract: An image forming apparatus includes an acquiring unit that acquires image data expressing an image region included in an image with a first value and a background region included in the image with a second value; a segmenting unit that segments the image region into multiple segments arranged in a fast scanning direction; a converting unit that converts a value of at least one of the segments into the second value; an output unit that generates an image signal on the basis of the image data and outputs the image signal; an exposure unit that exposes a charged image bearing member to light according to the output image signal by scanning the light thereto in the fast scanning direction so as to form a latent image; and a developing unit that forms the image by developing the latent image using an invisible toner that absorbs infrared light or ultraviolet light.Type: ApplicationFiled: July 27, 2011Publication date: August 30, 2012Applicant: FUJI XEROX CO., LTD.Inventor: Junichi ICHIKAWA
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Publication number: 20120206099Abstract: A vehicular charge control apparatus in a vehicle controls a charge operation to the vehicle from an external power supply facility, by using a charge intention determination unit for determining whether a user of the vehicle has an intention to charge, a plug connection state determination unit for determining whether a charge plug is connected to the vehicle when the user's intention to charge is determined by the charge intention determination unit, and a notification execution unit for executing a predetermined notification process when loss of connection to the charge plug is determined by the plug connection state determination unit.Type: ApplicationFiled: January 26, 2012Publication date: August 16, 2012Applicant: DENSO CORPOATIONInventors: Junichi Ichikawa, Yoshio Koie
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Publication number: 20120167850Abstract: An assembly for a valve train of an internal combustion engine, which has a hydraulic support element and a cam follower resting on one end via a bearing surface located on the bottom side thereof on a complimentary end side of a pressure piston of the support element. The piston extends across the outer shell in a bore of a crucible-shaped housing of the support element. The housing has an opening for hydraulic fluid, which is conductable via a channel between the housing and piston through a passage in the pressure piston to a storage chamber. In a section of a direct contact region between the bearing surface of the cam follower and end side of the piston, an anti-turn mechanism for the piston in relation to the cam follower is implemented. The piston is installed in a defined manner and is torsionally oriented in relation to the cam follower.Type: ApplicationFiled: July 29, 2010Publication date: July 5, 2012Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventors: Wolfgang Christgen, Frank Himsel, Junichi Ichikawa
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Patent number: 8211021Abstract: An ultrasound image processing apparatus includes first and second connecting portions to which first and second ultrasound probes are removably connected, the probes including first and second ultrasound transducers driven by first and second different ultrasound scanning systems respectively. The ultrasound image processing apparatus also includes an ultrasound image signal processing circuit that performs signal processings for generating first and second ultrasound images corresponding to the first and second ultrasound scanning systems from ultrasound signals received by the first and second ultrasound transducers.Type: GrantFiled: April 1, 2009Date of Patent: July 3, 2012Assignee: Olympus Medical Systems Corp.Inventor: Junichi Ichikawa
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Patent number: 8162835Abstract: An ultrasonic image generating method for generating an ultrasonic image based on ultrasonic echo data obtained by transmitting/receiving ultrasonic waves to/from an inspection object, according to the present invention, includes reference position setting steps for determining the reference position on each image with respect to a plurality of consecutive two-dimensional tomograms; correction steps for obtaining regular and consecutive two-dimensional tomograms-by-correcting irregularity of the reference position of each of the two-dimensional tomograms determined by the reference position setting steps; and an ultrasonic image generating step for generating the ultrasonic images based on the regular and consecutive two-dimensional tomograms corrected by the correction steps.Type: GrantFiled: November 16, 2005Date of Patent: April 24, 2012Assignee: Olympus CorporationInventors: Junichi Ichikawa, Masahiro Takeda
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Patent number: 8145082Abstract: The image forming apparatus includes: a photoconductor including a photoconductive layer and an overcoat layer containing electroconductive particles; a charging unit charging the photoconductor to first potential; an exposure unit setting an exposure region to have second potential smaller than the first potential in absolute values; a development unit including a developer carrier and a power supply setting the developer carrier to have third potential; a potential setting unit setting the third potential smaller than the first potential and larger than the second potential in a first image forming operation, and setting it larger than the first potential in a second image forming operation, in absolute values; a current setting unit setting an inflowing current to a fixed current value in the second image forming operation; a detection unit detecting image density in the second image forming operation; and a controller controlling toner supply according to the image density.Type: GrantFiled: September 25, 2008Date of Patent: March 27, 2012Assignee: Fuji Xerox Co., Ltd.Inventors: Satoshi Shigezaki, Junichi Ichikawa
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Patent number: 8135442Abstract: A communication apparatus for use in a vehicle includes a transmission repeater, a transmission terminator and a re-number unit. In a wireless communication between the communication apparatus and a communication unit in a facility such as a toll collection booth or the like, the transmission repeater transmits transmission data to the communication unit repeatedly until receiving an acknowledgement of reception completion of the transmission data from the communication unit, and the transmission terminator terminates repeated transmissions of the transmission data by the transmission repeater when a number of the repeated transmissions of the transmission data reaches a standard value. Further, the re-number unit changes the number of the repeated transmissions of the transmission data based on a content of the transmission data from the communication unit.Type: GrantFiled: July 7, 2008Date of Patent: March 13, 2012Assignee: DENSO CORPORATIONInventor: Junichi Ichikawa
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Publication number: 20120024248Abstract: A drag lever for actuating a gas exchange valve of an internal combustion engine. The drag lever includes an oblong lever body formed of sheet metal material, wherein the lever body has a bottom and side walls integrally formed at an angle of about 90° onto the bottom on both sides. A first end section of the lever body includes a joint socket formed into the bottom between the side walls. The joint socket serves to pivotally moveably support the drag lever on a joint head mounted stationary in the internal combustion engine. A middle section of the lever body is provided with a cam gripping surface, and a second end section of the lever body has a contact surface extending on the bottom. The contact surface serves for actuating the gas exchange valve. The lever body is dimensioned so as to have essentially the same width in a cross section through the joint socket and in a cross section through the middle section.Type: ApplicationFiled: August 2, 2011Publication date: February 2, 2012Applicant: SCHAEFFLER TECHNOLOGIES GMBH & CO. KGInventors: Frank HIMSEL, Jochen OTT, Dirk RICHTER, Junichi ICHIKAWA