Patents by Inventor Hiroaki Murakami
Hiroaki Murakami 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: 20160109503Abstract: In accordance with an embodiment, a jig includes a substrate, a plurality of wiring lines on the substrate, and an electrode on one end of each of the wiring lines. The electrode is located so as to correspond to a location of an electrode of an external semiconductor chip and includes gold (Au), silver (Ag), aluminum (Al), tin (Sn), or indium (In).Type: ApplicationFiled: March 10, 2015Publication date: April 21, 2016Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Hirofumi ONO, Hiroaki MURAKAMI
-
Publication number: 20150362881Abstract: An image forming apparatus includes a multi-color misalignment calculator that calculates an amount of multi-color misalignment of multiple color misalignment detection test pattern images based on position readings outputted by multiple test pattern image detectors, an image formation condition adjusting unit that adjusts an image formation condition of the image forming apparatus in accordance with the amount of multi-color misalignment of the multiple color misalignment detection test pattern images calculated by the multi-color misalignment calculator, and a process control unit that initiates a first multi-color misalignment correction control mode including a skew misalignment correction process and a second multi-color misalignment correction control mode excluding the skew misalignment correction process to correct multi-color misalignment of the multiple color misalignment detection test pattern images.Type: ApplicationFiled: June 5, 2015Publication date: December 17, 2015Inventors: Akihiko TOSAKA, Toshiyuki UCHIDA, Kazuhiro KOBAYASHI, Hiroaki MURAKAMI
-
Patent number: 9116487Abstract: An image forming apparatus includes an image bearing member, a plurality of developing devices, a transfer device, a moving device, a color drift detector, a test pattern forming device, and a color drift correction device. The test pattern forming device forms a test pattern on the image bearing member. The color drift correction device corrects the color drift in a separating state in which the image bearing member and the transfer device are separated from each other. The test pattern forming device forms the test pattern again in an area on the image bearing member contacting the transfer device but not pressed by the transfer device after the color drift correction device corrects the color drift in the separating state, and the color drift correction device corrects the color drift in the contact state in which the image bearing member and the transfer device are in contact with each other.Type: GrantFiled: November 14, 2014Date of Patent: August 25, 2015Assignee: Ricoh Company, Ltd.Inventors: Akihiko Tosaka, Toshiyuki Uchida, Kazuhiro Kobayashi, Hiroaki Murakami
-
Publication number: 20150147099Abstract: An image forming apparatus includes an image bearing member, a plurality of developing devices, a transfer device, a moving device, a color drift detector, a test pattern forming device, and a color drift correction device. The test pattern forming device forms a test pattern on the image bearing member. The color drift correction device corrects the color drift in a separating state in which the image bearing member and the transfer device are separated from each other. The test pattern forming device forms the test pattern again in an area on the image bearing member contacting the transfer device but not pressed by the transfer device after the color drift correction device corrects the color drift in the separating state, and the color drift correction device corrects the color drift in the contact state in which the image bearing member and the transfer device are in contact with each other.Type: ApplicationFiled: November 14, 2014Publication date: May 28, 2015Inventors: Akihiko TOSAKA, Toshiyuki Uchida, Kazuhiro Kobayashi, Hiroaki Murakami
-
Patent number: 8970858Abstract: An operator guidance system includes a detection unit, a control unit, and an operation indicator. The detection unit is disposed in an image forming apparatus to output a combination of detection signals, and includes one or more media sensors, and one or more opening sensors. The one or more media sensors are disposed along a media conveyance path to output a media detection signal. The one or more opening sensors are disposed adjacent to an openable structure to output an opening detection signal. The control unit is connected to the detection unit to determine guidance to be provided to an operator based on the combination of detection signals, and includes a memory and a controller. The operation indicator is connected to the control unit to indicate the identified operation to the operator.Type: GrantFiled: November 16, 2012Date of Patent: March 3, 2015Assignee: Ricoh Company, Ltd.Inventors: Mami Akiyama, Yasuhiro Sagawa, Masaharu Furuya, Manabu Izumikawa, Mikio Ishibashi, Yoshio Hattori, So Ohta, Ryo Takenaka, Hiroaki Murakami
-
Patent number: 8948679Abstract: A sheet conveyance device for conveying a recording medium includes a fixed roller, a movable roller, an urging member, and a shock absorber, and an image forming apparatus including the sheet conveyance device. The position of the fixed roller is fixed. The movable roller is disposed opposite the fixed roller to contact the fixed roller, thereby defining a nip. The urging member urges the movable member to contact the fixed roller in the absence of the recording medium in the nip and allows the movable member to separate from the fixed roller by an amount corresponding to a thickness of a recording medium when the recording medium enters the nip. The shock absorber absorbs displacement energy generated when the urging member urges the movable roller to contact the fixed roller again after the recording medium passes through the nip.Type: GrantFiled: September 2, 2010Date of Patent: February 3, 2015Assignee: Ricoh Company, Ltd.Inventors: Hiroaki Murakami, Yasuhisa Ehara, Noriaki Funamoto, Tetsuji Nishikawa, Yasuhiro Maehata, Jun Yasuda, Satoshi Araaki
-
Publication number: 20150019003Abstract: A robot system according to an aspect of an embodiment includes a robot, a determination unit (work determination unit), a selection unit (chucking direction selection unit), and an instruction unit. The robot has a robot hand (hand) including three or more chuck jaws. The determination unit obtains information on a member formed including a substantially ring shape, and determines a state of the member. The selection unit selects whether to hold the member with the chuck jaws from an inner peripheral side or outer peripheral side based on the determination result of the determination unit. The instruction unit instructs the robot to perform operations of transporting the member while holding the member with the chuck jaws based on the selection result of the selection unit, and assembling a predetermined processed product using the member.Type: ApplicationFiled: October 3, 2014Publication date: January 15, 2015Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Hiroaki MURAKAMI, Ryosuke TSUTSUMI, Kenichi MOTONAGA, Yoshihisa NAGANO
-
Patent number: 8921059Abstract: Disclosed is a method for detecting guaiacol-producing bacteria in a specimen comprising culturing the specimen or a dilution thereof on a plate of a solid medium for acidophilic bacteria comprising a compound represented by the following formula, wherein R is —H, —OH, —C(O)H, —C(O)CH3, —COOH, C1-C3 alkyl or C1-C3 alkenyl, wherein alkyl and alkenyl may optionally be substituted by —OH, —C(O)H or —COOH); and detecting a colony formed on the solid medium. According to preferred embodiments, the solid medium for acidophilic bacteria comprises 50 ppm or more of vanillic acid and the plate culture is carried out at 20° C. to 55° C. The present invention also provides a solid medium for acidophilic bacteria and a kit for detection of guaiacol-producing bacteria in a specimen. According to the present invention, guaiacol-producing bacteria present in a specimen such as fruit juice raw materials can be detected rapidly in a simple manner.Type: GrantFiled: June 15, 2010Date of Patent: December 30, 2014Assignee: Calpis Co., Ltd.Inventors: Hiroaki Murakami, Masanori Takase
-
Publication number: 20140372068Abstract: A fault detection apparatus according to an embodiment is provided with a measurement unit, a memory unit, a control unit, and a display unit. The measurement unit measures a first time period taken until a reflection signal reflected on a fault of a test apparatus is received after a first signal is transmitted to the test apparatus. The memory unit includes a CAD data unit having CAD data of the test apparatus, and a model data unit to store model data indicating a relation between the first time period and a predicted conduction distance of the first signal according to the CAD data. The control unit calculates a range of a test object selected in the test apparatus based on the CAD data, calculates the predicted conduction distance from the first time period based on the model data, and specifies a position of a fault of the test apparatus which is separated by the predicted conduction distance from the measurement unit in the range of the test object.Type: ApplicationFiled: August 29, 2014Publication date: December 18, 2014Applicant: Kabushiki Kaisha ToshibaInventors: Motoshi SETO, Hiroaki Murakami
-
Patent number: 8903278Abstract: A drive unit for rotating a first rotary member and a second rotary member disposed around the first rotary member includes a drive source, an output gear driven by the drive source, a first gear greater in diameter than the output gear and configured to engage the output gear, a first joint member projecting from the first gear coaxially and coupled to the first rotary member, a second gear smaller in diameter than the first gear and connected between the first gear and the first joint member, a driven gear smaller in diameter than the first gear and disposed within an area of the first gear in a radial direction thereof to engage the second gear to be driven thereby, and a second joint member projecting from the driven gear coaxially and connected to the second rotary member.Type: GrantFiled: October 18, 2012Date of Patent: December 2, 2014Assignee: Ricoh Company, Ltd.Inventors: Hiroaki Murakami, Toshiyuki Uchida, Kazuhiro Kobayashi, Akihiko Tosaka
-
Patent number: 8887893Abstract: A work system according to embodiments includes a robot and work stations. The robot performs a predetermined work on a workpiece as a work target. The work stations are places where the predetermined work is performed on the workpiece. The robot performs conveying of the workpiece between the work stations.Type: GrantFiled: December 29, 2011Date of Patent: November 18, 2014Assignee: Kabushiki Kaisha Yaskawa DenkiInventors: Ryosuke Tsutsumi, Hiroaki Murakami, Yoshihisa Nagano
-
Patent number: 8498026Abstract: An image reader includes a cabinet and an optical system. The cabinet has four plate members fixed to each other by laser welding from a side direction of the image reader and has a bottom wall fixed to the four plate members by laser welding from a side direction or a lower direction of the image reader. The cabinet has a first opening for a document read window opening toward an upper direction of the image reader. Each of the plate members is bended in letter L shape to form an upper end part and a side wall. The optical system is housed in the cabinet for reading an image of a document through the opening.Type: GrantFiled: August 19, 2010Date of Patent: July 30, 2013Assignee: Fuji Xerox Co., Ltd.Inventors: Yuichi Mikuni, YongHo Choi, Hiroaki Murakami, Shinji Yamasaki
-
Publication number: 20130135646Abstract: An operator guidance system includes a detection unit, a control unit, and an operation indicator. The detection unit is disposed in an image forming apparatus to output a combination of detection signals, and includes one or more media sensors, and one or more opening sensors. The one or more media sensors are disposed along a media conveyance path to output a media detection signal. The one or more opening sensors are disposed adjacent to an openable structure to output an opening detection signal. The control unit is connected to the detection unit to determine guidance to be provided to an operator based on the combination of detection signals, and includes a memory and a controller. The operation indicator is connected to the control unit to indicate the identified operation to the operator.Type: ApplicationFiled: November 16, 2012Publication date: May 30, 2013Inventors: Mami AKIYAMA, Yasuhiro SAGAWA, Masaharu FURUYA, Manabu IZUMIKAWA, Mikio ISHIBASHI, Yoshio HATTORI, So OHTA, Ryo TAKENAKA, Hiroaki MURAKAMI
-
Publication number: 20130118303Abstract: A drive unit for rotating a first rotary member and a second rotary member disposed around the first rotary member includes a drive source, an output gear driven by the drive source, a first gear greater in diameter than the output gear and configured to engage the output gear, a first joint member projecting from the first gear coaxially and coupled to the first rotary member, a second gear smaller in diameter than the first gear and connected between the first gear and the first joint member, a driven gear smaller in diameter than the first gear and disposed within an area of the first gear in a radial direction thereof to engage the second gear to be driven thereby, and a second joint member projecting from the driven gear coaxially and connected to the second rotary member.Type: ApplicationFiled: October 18, 2012Publication date: May 16, 2013Inventors: Hiroaki Murakami, Toshiyuki Uchida, Kazuhiro Kobayashi, Akihiko Tosaka
-
Publication number: 20130106458Abstract: A holder for measurement configured to be capable of holding an object of measurement, the object of measurement included a package including a plurality of semiconductor chips and a conduction portion exposed to the outside through a lateral surface of the package, including: a support board including a through-hole; a fixation portion configured to fix the object of measurement to the support board; and a probe portion movable in at least one axial direction with respect to the support board, and configured to be capable of coming into contact with the conduction portion.Type: ApplicationFiled: October 31, 2012Publication date: May 2, 2013Inventors: Motoshi SETO, Hiroaki Murakami, Kazuhiro Ilzuka
-
Patent number: 8346111Abstract: A main controlling part is configured to choose and execute either a constant belt speed control which controls a driving motor (a driving source for an intermediate transfer belt) to move the intermediate transfer belt at a predetermined target belt speed or a constant motor speed control which rotates the driving motor at a predetermined target rotational speed according to a print command, and then, prior to a first-time print job, after executing a writing position correcting process while moving the intermediate transfer belt under the constant belt speed control, forms a color shift detecting image by switching from the constant belt speed control to the constant motor speed control, measures a difference between amounts of color shift, and executes a speed correcting process for correcting the target rotational speed of the driving motor in the constant motor speed control based on the measurement result.Type: GrantFiled: September 3, 2010Date of Patent: January 1, 2013Assignee: Ricoh Company, Ltd.Inventors: Yasuhiro Maehata, Yasuhisa Ehara, Noriaki Funamoto, Tetsuji Nishikawa, Jun Yasuda, Hiroaki Murakami
-
Patent number: 8327676Abstract: When a hollow billet is inserted into a container, and hot expanding piercing is downwardly performed by using a plug, hot piercing is performed by using a formed glass complex comprising a ring-shaped formed glass part and a ring-shaped projecting part. The ring-shaped formed glass part assumes a disc shape having a circular opening for allowing a plug to be inserted at the center thereof. The ring-shaped projecting part is attached to the opening of the ring-shaped formed glass part, and assumes a ring shape projecting perpendicularly to the ring-shaped formed glass part. Thereby, the piercing work can be done safely, and defects can be prevented from occurring on the inner surface of the billet.Type: GrantFiled: May 26, 2011Date of Patent: December 11, 2012Assignee: Sumitomo Metal Industries, Ltd.Inventors: Junichi Nishimori, Tomio Yamakawa, Keishi Matsumoto, Hiroaki Murakami
-
Publication number: 20120217129Abstract: A work system according to embodiments includes a robot and work stations. The robot performs a predetermined work on a workpiece as a work target. The work stations are places where the predetermined work is performed on the workpiece. The robot performs conveying of the workpiece between the work stations.Type: ApplicationFiled: December 29, 2011Publication date: August 30, 2012Applicant: Kabushiki Kaisha Yaskawa DenkiInventors: Ryosuke TSUTSUMI, Hiroaki MURAKAMI, Yoshihisa NAGANO
-
Patent number: 8254813Abstract: A multicolor imaging system includes a controller which adjusts a phase difference in rotations of photoreceptors based on information detected by a rotary position detector, and drive elements for photoreceptors which generate a velocity fluctuation in the same cycle as that of a transfer unit. The controller is configured to concurrently adjust the phases of the photoreceptors and those of the drive elements so that a registration error in four color toner image on an intermediate transfer belt is reduced to a minimum.Type: GrantFiled: May 28, 2010Date of Patent: August 28, 2012Assignee: Ricoh Company, Ltd.Inventors: Noriaki Funamoto, Yasuhisa Ehara, Tetsuji Nishikawa, Yasuhiro Maehata, Jun Yasuda, Hiroaki Murakami
-
Patent number: 8245552Abstract: A starting material to be extruded made of a high alloy comprising, in mass %, Cr: 20 to 30% and Ni: more than 22% and 60% or less is heated to a temperature predetermined according to the contents of Mo and W and is subjected to a hot-extrusion process, the heating temperature T (° C.) satisfying a relationship of Formula (1), (2), or (3), which is expressed in terms of the average cross-sectional area A (mm2) of the starting material to be extruded, the extrusion ratio EL (?), and the extrusion speed V (mm/s). As a result, a high-alloy seamless tube can be produced without generating cracking and/or seam flaws. When 0%?Mo+0.5W<4%: T?1343?0.001322×A?1.059×EL?0.129×V??(1) When 4%?Mo+0.5W<7%: T?1316?0.001322×A?1.059×EL?0.129×V??(2) When 7%?Mo+0.5W: T?1289?0.001322×A?1.059×EL?0.Type: GrantFiled: November 24, 2010Date of Patent: August 21, 2012Assignee: Sumitomo Metal Industries, Ltd.Inventors: Hiroaki Murakami, Tomio Yamakawa, Tadashi Douhara, Masayuki Sagara