Patents by Inventor Tetsuo Watanabe
Tetsuo Watanabe 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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Publication number: 20150047459Abstract: A rotator driving system for driving a rotator with a motor includes a dynamic vibration absorber attached to a rotary shaft of the rotator. The dynamic vibration absorber includes an inertia body, a viscosity-providing component to provide a viscosity, and a torsion spring unit to function as a torsion spring that includes a boss fixed to the rotary shaft. Multiple spokes extend radially outward from the boss. Multiple seats are provided at respective tips of the multiple spokes to fix the inertia body. The torsion spring unit is fixed by both the rotary shaft of the rotator and the boss fixed to the rotary shaft therebetween. The viscosity-providing component supports the inertia body via the multiple seats provided at the respective tips of the multiple spokes.Type: ApplicationFiled: July 30, 2014Publication date: February 19, 2015Applicant: Ricoh Company, Ltd.Inventors: Katsuaki MIYAWAKI, Tetsuo WATANABE, Hiromichi MATSUDA, Kimiharu YAMAZAKI
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Publication number: 20150030171Abstract: Provided is an acoustic signal processing device for producing an output sound meeting listener's preferences by adjusting attack sound, reverberation, and noise component.Type: ApplicationFiled: January 23, 2013Publication date: January 29, 2015Applicant: CLARION CO., LTD.Inventors: Takeshi Hashimoto, Tetsuo Watanabe
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Patent number: 8916844Abstract: A container apparatus that is able to contain a radiographic imaging apparatus having a rectangular parallelepiped shape. The container apparatus includes a container portion into which the radiographic imaging apparatus is insertable in a direction perpendicular to a radiation detecting surface of the radiographic imaging apparatus and a protecting member that covers side surfaces of the radiographic imaging apparatus contained in the container portion, the side surfaces of the radiographic imaging apparatus being adjacent to the radiation detecting surface. The container apparatus also includes a holding portion that engages with the radiographic imaging apparatus contained in the container portion in order to hold the radiographic imaging apparatus in the container portion.Type: GrantFiled: November 24, 2010Date of Patent: December 23, 2014Assignee: Canon Kabushiki KaishaInventors: Tetsuo Watanabe, Hidetomo Suwa
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Publication number: 20140356027Abstract: A drive transmission device that transmits rotation from a drive source of an image forming apparatus to a rotary body detachably attachable relative to a main body thereof in an axial direction includes two external gears, a cylindrical member, and an intermediate-body retainer. The two external gears include teeth on an outer circumferential surface thereof extending in an axial direction. The cylindrical member includes an internal gear formed on an inner circumferential surface thereof to mesh with the external gears, and a flange on a portion of an outer circumferential surface of the cylindrical member, the flange including a projection. The intermediate-body retainer includes a depression to fit with the projection of the flange to prevent the cylindrical member from getting disengaged from the external gears. The external gears constitute a two-stage spline joint that meshes with the internal gear of the cylindrical member.Type: ApplicationFiled: May 28, 2014Publication date: December 4, 2014Applicant: Ricoh Company, Ltd.Inventors: Kimiharu YAMAZAKI, Katsuaki MIYAWAKI, Tetsuo WATANABE, Hiromichi MATSUDA
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Patent number: 8873714Abstract: This invention includes a radiation detector to detect the radiation transmitted through an object while being in a portable state or mounted on a detector holder, a control unit to control capturing of a radiographic image using the radiation detector, and a plurality of relay stations to relay wireless communication from the radiation detector. The detector holder includes a detection unit to detect the mounting of the radiation detector. The control unit determines the usage pattern of the radiation detector or the mounting of the radiation detector on a detector holder based on detection information from the detection unit or a connection request from the radiation detector, and selects one of the relay stations based on the determination result.Type: GrantFiled: August 9, 2013Date of Patent: October 28, 2014Assignee: Canon Kabushiki KaishaInventor: Tetsuo Watanabe
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Patent number: 8864620Abstract: A rotary body driver includes a driving source and a planetary gear transmission to receive a driving force from the driving source. The planetary gear transmission includes a sun gear rotatable by the driving force received from the driving source, a plurality of planet gears meshed with and surrounding the sun gear with an identical interval between the adjacent planet gears, a rotatable carrier to rotatably support the plurality of planet gears, an outer gear encircling and meshed with the plurality of planet gears, and an output shaft combined with and supporting the carrier. A rotary body shaft mounting a rotary body is connected to the output shaft of the planetary gear transmission to transmit the driving force received from the output shaft to the rotary body. The outer gear is made of resin and the output shaft and the carrier are made of metal.Type: GrantFiled: October 4, 2012Date of Patent: October 21, 2014Assignee: Ricoh Company, Ltd.Inventors: Yasuhiro Maehata, Katsuaki Miyawaki, Hiromichi Matsuda, Tetsuo Watanabe, Nobuo Iwata, Keisuke Shimizu
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Patent number: 8845472Abstract: A drive transmission unit includes a planetary gear mechanism. The planetary gear mechanism includes an outer gear rotatably disposed on a shaft, a sun gear rotated by a power source, coaxially disposed on the same shaft as the outer gear, multiple planetary gears to engage the sun gear and the outer gear, disposed along an inner circumferential surface of the outer gear, a carrier rotatable on the same shaft as the outer gear to rotatably support the planetary gears, a contact member that contacts the sun gear as the sun gear moves in a direction of thrust due to engagement with the plurality of planetary gears, and a grease retaining portion to retain grease near a contact portion at which the sun gear contacts the contact member as the sun gear moves in the direction of thrust. The outer gear, the sun gear, and the planetary gears are helical gears.Type: GrantFiled: July 24, 2012Date of Patent: September 30, 2014Assignee: Ricoh Company, Ltd.Inventors: Hiromichi Matsuda, Katsuaki Miyawaki, Tetsuo Watanabe, Yasuhiro Maehata, Keisuke Shimizu
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Publication number: 20140264061Abstract: A mobile radiation imaging apparatus includes: an irradiation unit that emits radiation; a moving unit that moves with the irradiation unit; an imaging unit that takes an image of an object irradiated with radiation and is able to transmit the image via the wireless communication or the wired communication; an obtaining unit that obtains information indicating in which area the moving unit is located among a wired communication area, a wirelessly communicable area, and a switching area for switching between the wireless communication and the wired communication; and a control unit that switches the communication with the imaging unit depending on the obtained information.Type: ApplicationFiled: February 14, 2014Publication date: September 18, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Tetsuo Watanabe, Katsushi Kato, Kensuke Kobayashi
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Patent number: 8838014Abstract: A bookbinding system includes an image forming unit to form a toner image on a sheet; a fixing device to fix the toner image onto the sheet; a sheet stacker to load sheets passing through the fixing device, to create a sheet bundle, in which the sheet bundle stacked on the sheet stacker is adhered to produce a complete book; an adhesive toner image forming unit to form an adhesive toner image on an area corresponding to a spine of the complete book; and a heater to heat the unfixed adhesive toner image formed on each sheet of the sheet bundle stacked on the sheet stacker, wherein the adhesive toner image on the sheet stacked on the sheet stacker is the unfixed toner image.Type: GrantFiled: December 6, 2011Date of Patent: September 16, 2014Assignee: Ricoh Company, Ltd.Inventors: Natsumi Matsue, Koichi Kudo, Tetsuo Watanabe, Takashi Hashimoto, Fumihito Masubuchi
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Publication number: 20140227064Abstract: A binding apparatus includes: an accumulating unit where a plurality of sheets having an area that serves as a binding margin is to be stacked as a sheet bundle, in which toner is fixed onto all of, or a part of, the area; a pressure unit that sandwiches the binding margin of the sheet bundle stacked on the accumulating unit therebetween and applies a pressure to the binding margin; and a heating unit that heats the toner on the binding margin that is receiving the pressure applied by the pressure unit. The pressure unit is configured to apply the pressure to the binding margin while forming a plurality of grooves and ridges in the binding margin in a direction in which the pressure is applied.Type: ApplicationFiled: February 10, 2014Publication date: August 14, 2014Applicant: Ricoh Company, LimitedInventors: Natsumi MATSUE, Koichi KUDO, Takashi HASHIMOTO, Tetsuo WATANABE, Fumihito MASUBUCHI, Takeshi OGAWA
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Publication number: 20140177804Abstract: An X-ray imaging apparatus includes a plurality of X-ray detection cassettes, and an information processing section configured to communicate with the plurality of X-ray detection cassettes and to process information concerning the plurality of X-ray detection cassettes. Each of the plurality of X-ray detection cassettes transmits/receives, to/from the information processing section, first information that corresponds to an image control signal and image data of the X-ray detection cassette and second information that is different from the first information. In a case where a time at which the first information is transmitted/received and a time at which the second information is transmitted/received coincide with each other, the first information is preferentially transmitted/received.Type: ApplicationFiled: December 18, 2013Publication date: June 26, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Kensuke Kobayashi, Tetsuo Watanabe, Katsushi Kato
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Patent number: 8747276Abstract: A drive device including a planetary gear reduction device having at least two stages and an output shaft, and a driven shaft to support a driven member rotatively driven by torque reduced by the planetary gear reduction device and transmit the torque from the output shaft to the driven member. Each stage of the planetary gear reduction device includes a sun gear, an outer gear, multiple planetary gears, a carrier, and a support shaft. The output shaft is provided to the carrier of the last stage. Central axes of the sun gear, the outer gear, the carrier, the output shaft, the driven shaft, and the driven member are all arranged coaxially with one another and at least one carrier is floatingly supported relative to the outer gear. The carrier is formed as a single integrated unit having holes into which both ends of the support shaft are fitted.Type: GrantFiled: June 25, 2012Date of Patent: June 10, 2014Assignee: Ricoh Company, Ltd.Inventors: Keisuke Shimizu, Yasuhiro Maehata, Katsuaki Miyawaki, Tetsuo Watanabe, Hiromichi Matsuda
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Patent number: 8744044Abstract: An X-ray imaging apparatus includes an X-ray irradiation unit which irradiates X-rays, a detection unit which detects the X-rays transmitted through an object, and a housing which contains the detection unit. The housing includes a first housing in which an X-ray transmission member which transmits the X-rays is placed in an incident range of the X-rays irradiated from the X-ray irradiation unit; a second housing which supports the detection unit while being spaced apart from the X-ray transmission member on an opposite side to an incident side on which the X-rays strike the X-ray transmission member; and a plurality of connecting members which connect the first housing to the second housing.Type: GrantFiled: April 22, 2010Date of Patent: June 3, 2014Assignee: Canon Kabushiki KaishaInventors: Hidetomo Suwa, Masaaki Kobayashi, Tetsuo Watanabe
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Publication number: 20140072388Abstract: A sheet post-processing apparatus includes: a binding unit that binds, as a bundle, a plurality of sheets by heating and pressing binding margin portions of the sheets set in advance, using toner interposed between the sheets as an adhesive material; and a pre-heating unit that heats the binding margin portions of the sheets while the sheets are stacked.Type: ApplicationFiled: September 9, 2013Publication date: March 13, 2014Applicant: RICOH COMPANY, LIMITEDInventors: Takashi HASHIMOTO, Koichi KUDO, Tetsuo WATANABE, Yoshinobu TAKEYAMA, Fumihito MASUBUCHI, Natsumi MATSUE, Takeshi OGAWA
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Publication number: 20140056618Abstract: A rotating-body driving device comprising: a rotating body; a driving source; a reduction gear that includes an output shaft and a gear rotating at a non-integer ratio of rotation period to a rotation period of the output shaft, and the reduction gear reducing rotation speed of the driving source; a pulse-signal generating unit; a pulse-count storage unit; a speed-fluctuation storage unit that stores therein a rotation speed fluctuation of the output shaft; and a driving-source control unit, wherein the driving-source control unit detects the speed fluctuation information associated with the accumulated number of pulse signals from the speed-fluctuation storage unit, and performs for the driving source a feedforward control to set off the rotation speed fluctuation.Type: ApplicationFiled: August 21, 2013Publication date: February 27, 2014Applicant: RICOH COMPANY, LIMITEDInventors: Hiromichi MATSUDA, Katsuaki MIYAWAKI, Tetsuo WATANABE, Yasuhiro MAEHATA, Keisuke SHIMIZU
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Publication number: 20140044273Abstract: A direct sound extraction device includes: a spectrum transform unit that transforms an input signal, which includes a reverberant sound in a direct sound and on which a Fourier transform process has been performed, to a first amplitude spectrum signal Lfa; a low-pass filter unit (10) that performs a low-pass filtering process on the first amplitude spectrum signal Lfa for each frequency to generate a second amplitude spectrum signal Lfa1; a first subtraction unit (18) that calculates a third amplitude spectrum signal by subtracting the second amplitude spectrum signal Lfa1 from the first amplitude spectrum signal Lfa; and an inverse Fourier transform unit that generates a direct sound signal Lfd from a frequency spectrum signal calculated based on a phase spectrum signal and the third amplitude spectrum signal.Type: ApplicationFiled: June 14, 2012Publication date: February 13, 2014Applicant: CLARION CO., LTD.Inventors: Takeshi Hashimoto, Tetsuo Watanabe, Toshihiro Fueki
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Publication number: 20140016747Abstract: A mobile radiation imaging apparatus comprising: a generation unit configured to emit radiation; a positioning unit configured to support the generation unit; a moveable cart configured to moveably hold the positioning unit; a storing unit for a radiation imaging unit that includes a radiation sensor and a first battery, the storing unit having a terminal that supplies power to the radiation imaging unit; a second battery configured to connect to the terminal, the generation unit, and a cable for receiving a supply of power from an external power source; and a control unit configured to control power supply from the second battery to the first battery based on a remaining amount of the first battery and a remaining amount of the second battery.Type: ApplicationFiled: July 8, 2013Publication date: January 16, 2014Inventor: Tetsuo Watanabe
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Publication number: 20130322599Abstract: This invention includes a radiation detector to detect the radiation transmitted through an object while being in a portable state or mounted on a detector holder, a control unit to control capturing of a radiographic image using the radiation detector, and a plurality of relay stations to relay wireless communication from the radiation detector. The detector holder includes a detection unit to detect the mounting of the radiation detector. The control unit determines the usage pattern of the radiation detector or the mounting of the radiation detector on a detector holder based on detection information from the detection unit or a connection request from the radiation detector, and selects one of the relay stations based on the determination result.Type: ApplicationFiled: August 9, 2013Publication date: December 5, 2013Applicant: CANON KABUSHIKI KAISHAInventor: Tetsuo Watanabe
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Patent number: 8592774Abstract: A radiographic apparatus includes an x-ray detection sensor having a two-dimensional detector plane for detecting an intensity distribution of x-rays, a body internally containing the x-ray detection sensor, a supporting member having a supporting surface for supporting the x-ray detection sensor across the detector plane and which fixes the x-ray detection sensor to an inner bottom surface of the body, and a circuit board on which is mounted a circuit for reading out a detection signal from the x-ray detection sensor. Furthermore, in the radiographic apparatus, the supporting member forms a space between the supporting member and the inner bottom surface of the body in a peripheral portion of the supporting member. At least a part of the circuit board is arranged in the space.Type: GrantFiled: May 13, 2010Date of Patent: November 26, 2013Assignee: Canon Kabushiki KaishaInventors: Hidetomo Suwa, Akio Saigusa, Tetsuo Watanabe
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Patent number: 8588651Abstract: A rotary drive device to drive a rotary body included in an image forming apparatus. The rotary drive device includes a drive source and a planetary gear mechanism to control torque from the drive source. The planetary gear mechanism includes a sun gear rotated by the torque, an annular gear coaxial to the sun gear and having inward-facing teeth, multiple planetary gears provided within the annular gear, and a carrier rotatable coaxially to the sun gear and the annular gear to rotatably support the multiple planetary gears. The annular gear is formed by injecting molten resin into a mold having a cylindrical cavity with teeth shapes along an inner circumference of the cavity from multiple pin gates provided to the mold at equal intervals along a circumference of the cavity. A number of pin gates is a non-integer multiple of a number of planetary gears.Type: GrantFiled: May 18, 2011Date of Patent: November 19, 2013Assignee: Ricoh Company, Ltd.Inventors: Hiromichi Matsuda, Katsuaki Miyawaki, Tetsuo Watanabe, Nobuo Iwata