Patents by Inventor Jun Yamada
Jun Yamada 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: 20260152360Abstract: A medium processing apparatus includes a stacker, a conveyance-direction mover, a binder, and processing circuitry. The stacker stacks a medium. The conveyance-direction mover moves, in a conveyance direction, a medium bundle that is a plurality of media including the medium stacked on the stacker. The binder moves in a main scanning direction orthogonal to the conveyance direction and bind the medium bundle stacked on the stacker. The processing circuitry controls an operation of the conveyance-direction mover and the binder. The processing circuitry causes the conveyance-direction mover to move the medium bundle stacked on the stacker in the conveyance direction and causes the binder to move in the main scanning direction, face a binding position on the medium bundle, and bind the binding position of the medium bundle.Type: ApplicationFiled: November 3, 2025Publication date: June 4, 2026Applicant: Ricoh Company, Ltd.Inventors: Wataru TAKAHASHI, Yuusuke SHIBASAKI, Tomomichi HOSHINO, Sho ASANO, Atsushi SHINODA, Shota YOSHIDA, Kotomi KAMEYAMA, Shuuto TOHKAISHI, Hirotaka YASUKAWA, Shingo YOSHIZAWA, Naofumi YOSHIDA, Ryota TAKAYAMA, Akira KUNIEDA, Jun YAMADA, Yuji SUZUKI, Wataru NOZAKI, Satoshi HIRATA, Takuya OKAMOTO
-
Patent number: 12637318Abstract: A sheet processing apparatus includes: an ejection tray; an internal tray; a first conveyor to convey a sheet medium in a first direction in which the sheet medium is ejected to the ejection tray; a second conveyor to come into contact with and separate from sheet media stacked on the internal tray to convey the sheet media in a second direction different from the first direction; a crimp binder downstream from the internal tray in the second direction to execute crimp binding on the sheet media stacked on the internal tray; and control circuitry. When a subsequent sheet medium, which is subsequent to a preceding sheet medium of the sheet media stacked on the internal tray, is conveyed in the first direction while contacting the preceding sheet medium, the control circuitry causes the crimp binder to press a downstream end of the preceding sheet medium in the second direction.Type: GrantFiled: June 5, 2024Date of Patent: May 26, 2026Assignee: RICOH COMPANY, LTD.Inventors: Jun Yamada, Yuusuke Shibasaki, Atsushi Shinoda, Shuuto Tohkaishi, Satoshi Hirata, Shingo Yoshizawa, Suzuka Fujita, Naofumi Yoshida, Ryota Takayama, Takahiro Watanabe, Takuya Morinaga, Yuji Suzuki, Wataru Nozaki, Kanako Fujisaki, Yusuke Hirono
-
Publication number: 20260109029Abstract: One embodiment of a method for controlling a robot includes computing, using a trained machine learning model and based on sensor data, one or more costs associated with one or more trajectories; determining an action based on the one or more costs; and controlling the robot to move based on the action.Type: ApplicationFiled: October 15, 2025Publication date: April 23, 2026Inventors: Balakumar SUNDARALINGAM, Ajay Uday MANDLEKAR, Adithyavairavan MURALI, Jun YAMADA
-
Patent number: 12596322Abstract: A thickness detection device for detecting a thickness of an object includes a thickness-direction moving member and a thickness detector. The thickness-direction moving member is held to be movable in a direction of the thickness by the object inserted into a cavity having an opening that opens in a plurality of directions. The thickness detector detects the thickness-direction moving member moved by the object inserted into the cavity to detect the thickness of the object. The thickness-direction moving member has a portion to face the object inserted into the cavity. The portion has a shape inclined relative to an insertion direction of the object.Type: GrantFiled: November 6, 2024Date of Patent: April 7, 2026Assignee: Ricoh Company, Ltd.Inventors: Atsushi Shinoda, Yuusuke Shibasaki, Shuuto Tohkaishi, Sho Asano, Wataru Takahashi, Tomomichi Hoshino, Kotomi Kameyama, Satoshi Hirata, Shingo Yoshizawa, Suzuka Fujita, Naofumi Yoshida, Ryota Takayama, Hirotaka Yasukawa, Yoshito Suzuki, Shinya Monma, Yuji Suzuki, Wataru Nozaki, Jun Yamada, Naohiro Yoshida, Yusuke Hirono, Takahiro Watanabe, Yohsuke Haraguchi
-
Patent number: 12552632Abstract: A sheet processing device includes an upstream device, a downstream device, and a controller as circuitry. The upstream device includes multiple rollers to convey a sheet in a conveyance direction and perform a sheet processing. The downstream device is downstream from the upstream device in the conveyance direction. The downstream device includes a sheet sensor to detect the sheet. The controller controls a timing to rotate the multiple rollers of the upstream device to perform the sheet processing in response to a detection of the sheet by the sheet sensor.Type: GrantFiled: January 24, 2024Date of Patent: February 17, 2026Assignee: RICOH COMPANY, LTD.Inventors: Yusuke Hirono, Yuusuke Shibasaki, Atsushi Shinoda, Shuuto Tohkaishi, Satoshi Hirata, Shingo Yoshizawa, Suzuka Fujita, Naofumi Yoshida, Ryota Takayama, Takahiro Watanabe, Takuya Morinaga, Yuji Suzuki, Wataru Nozaki, Kanako Fujisaki, Jun Yamada
-
Publication number: 20260042301Abstract: A sheet conveying device includes conveyors, a skew detector, a mover, and circuitry. The conveyors convey a sheet medium in a first direction. The skew detector detects an amount of skew of the sheet medium conveyed by the conveyors in the first direction. The mover moves the skew detector in a second direction orthogonal to the first direction. The circuitry is to control the mover to move the skew detector in the second direction to detect, multiple times, an end of the sheet medium in the second direction at a detection interval, and change the detection interval of multiple detections according to a size of the sheet medium, to detect the amount of skew of the sheet medium.Type: ApplicationFiled: July 24, 2025Publication date: February 12, 2026Applicant: Ricoh Company, Ltd.Inventors: Hirotaka YASUKAWA, Shuuto TOHKAISHI, Yuusuke SHIBASAKI, Atsushi SHINODA, Sho ASANO, Tomomichi HOSHINO, Kotomi KAMEYAMA, Satoshi HIRATA, Shingo YOSHIZAWA, Suzuka FUJITA, Naofumi YOSHIDA, Naohiro YOSHIDA, Yoshito SUZUKI, Shinya MONMA, Yuji SUZUKI, Wataru NOZAKI, Jun YAMADA, Yohsuke HARAGUCHI, Ryota TAKAYAMA, Wataru TAKAHASHI
-
Publication number: 20260044105Abstract: A sheet conveying device includes a shift roller pair, a shifter, multiple roller shafts, and a coupler. The shift roller pair includes first shift rollers, and second shift rollers facing the first shift rollers. The shift roller pair is conveyable a sheet in a sheet conveyance direction and movable in a width direction orthogonal to the sheet conveyance direction. The shifter moves the shift roller pair in the width direction to shift the sheet in the width direction as a shift operation. The multiple roller shafts support the first shift rollers. The coupler couples the multiple roller shafts and is rotatable with respect to the multiple roller shafts.Type: ApplicationFiled: July 25, 2025Publication date: February 12, 2026Inventors: Shuuto TOHKAISHI, Yuusuke SHIBASAKI, Atsushi SHINODA, Sho ASANO, Wataru TAKAHASHI, Tomomichi HOSHINO, Kotomi KAMEYAMA, Satoshi HIRATA, Shingo YOSHIZAWA, Suzuka FUJITA, Naofumi YOSHIDA, Naohiro YOSHIDA, Ryota TAKAYAMA, Hirotaka YASUKAWA, Yoshito SUZUKI, Shinya MONMA, Yuji SUZUKI, Wataru NOZAKI, Jun YAMADA, Yohsuke HARAGUCHI, Yusuke HIRONO, Takahiro WATANABE
-
Publication number: 20260036200Abstract: A motor control device includes a drive circuit with a drive element for switching power to a motor, and either a circuit or a processor with memory storing executable code. The circuit or processor causes the motor control device to the motor control device to acquire the motor's drive state and calculate a reference temperature using a temperature sensor's detection value. The circuit or processor causes the motor control device to estimate the drive element's temperature and predict temperature changes: a rise when the motor is active and a drop when it is not. The circuit or processor causes the motor control device to update the estimated element temperature based on these calculations.Type: ApplicationFiled: October 7, 2025Publication date: February 5, 2026Inventors: Koji SAKAGUCHI, Jun YAMADA, Fumitaka HORI, Seiji NAKAYAMA
-
Publication number: 20260035200Abstract: A sheet conveying device includes a sheet stacker, a width-direction conveyor, and circuitry. The sheet stacker stacks multiple sheets including a sheet to form a sheet bundle on the sheet stacker. The width-direction conveyor conveys the sheet bundle on the sheet stacker in a width direction of the sheet. The circuitry is to control the width-direction conveyor to convey the sheet bundle on the sheet stacker to a given position in the width direction at a first speed or a second speed slower than the first speed, based on sheet information including a length of the sheet and a processing condition related to forming the sheet bundle.Type: ApplicationFiled: July 15, 2025Publication date: February 5, 2026Applicant: Ricoh Company, Ltd.Inventors: Tomomichi HOSHINO, Yuusuke SHIBASAKI, Shuuto TOHKAISHI, Atsushi SHINODA, Sho ASANO, Wataru TAKAHASHI, Kotomi KAMEYAMA, Satoshi HIRATA, Shingo YOSHIZAWA, Suzuka FUJITA, Naofumi YOSHIDA, Ryota TAKAYAMA, Hirotaka YASUKAWA, Yoshito SUZUKI, Shinya MONMA, Yuji SUZUKI, Wataru NOZAKI, Jun YAMADA, Yohsuke HARAGUCHI, Naohiro YOSHIDA
-
Publication number: 20260016997Abstract: A non-transitory computer readable storage medium storing a program configured to be executed by an information processing device configured to connect to a label printer. The program includes instructions that, when executed by a computer of the information processing device, causes the computer to execute acquisition processing of acquiring a print condition corresponding to a predetermined content from a server, and saving processing of saving the print condition acquired in the acquisition processing in association with the predetermined content. A print condition for each content configured to be included in label data is configured to be registered to the server. In a case where the server received a request related to the predetermined content from the information processing device, the server responds the print condition corresponding to the predetermined content to the information processing device.Type: ApplicationFiled: September 22, 2025Publication date: January 15, 2026Inventors: Aiko Yasui, Ryoko Okamoto, Tetsuya Nose, Ryoji Ban, Jun Yamada, Fuyuko Ito
-
Publication number: 20250390050Abstract: A sheet processing apparatus includes an insertion portion, a sheet processing device, and a position marker. The insertion portion has an opening into which a sheet is insertable. The sheet processing device performs a predetermined operation onto the sheet inserted into the insertion portion. The position marker forms a mark at a processing position at which the predetermined operation is to be performed onto the sheet.Type: ApplicationFiled: May 22, 2025Publication date: December 25, 2025Applicant: Ricoh Company, Ltd.Inventors: Naohiro YOSHIDA, Yuusuke SHIBASAKI, Yusuke HIRONO, Atsushi SHINODA, Shuuto TOHKAISHI, Sho ASANO, Wataru TAKAHASHI, Tomomichi HOSHINO, Kotomi KAMEYAMA, Satoshi HIRATA, Shingo YOSHIZAWA, Suzuka FUJITA, Naofumi YOSHIDA, Ryota TAKAYAMA, Hirotaka YASUKAWA, Yoshito SUZUKI, Shinya MONMA, Takahiro WATANABE, Yuji SUZUKI, Wataru NOZAKI, Jun YAMADA, Yohsuke HARAGUCHI
-
Publication number: 20250370392Abstract: A post-processing apparatus includes a manual processing device, a sheet binder, a driver, and a shield. The manual processing device has an opening to receive a sheet bundle of multiple sheets inserted into the opening. The sheet binder performs a binding operation on the sheet bundle in the manual processing device at a binding position in the opening. The driver moves the sheet binder in a first direction. The shield is movable, in a second direction intersecting the first direction, between a closed position at which the shield closes the opening and an open position at which the shield opens the opening, in response to a movement of the sheet binder in the first direction.Type: ApplicationFiled: May 15, 2025Publication date: December 4, 2025Inventors: Kotomi KAMEYAMA, Yuusuke SHIBASAKI, Yusuke HIRONO, Atsushi SHINODA, Shuuto TOHKAISHI, Sho ASANO, Wataru TAKAHASHI, Tomomichi HOSHINO, Satoshi HIRATA, Shingo YOSHIZAWA, Suzuka FUJITA, Naofumi YOSHIDA, Ryota TAKAYAMA, Hirotaka YASUKAWA, Yoshito SUZUKI, Shinya MONMA, Takahiro WATANABE, Yuji SUZUKI, Wataru NOZAKI, Jun YAMADA, Yohsuke HARAGUCHI, Naohiro YOSHIDA
-
Publication number: 20250361111Abstract: A medium processing apparatus includes a housing, a binder, first and second sensors, and circuitry. The housing has a space in a part. The binder is disposed in the space to perform a binding operation on a sheet bundle. The first sensor is in the space to detect a first side of the sheet bundle in a first direction, and output a first detection signal. The second sensor is adjacent to the first sensor in the space to detect a second side of the sheet bundle adjacent to the first side in a second direction, and output a second detection signal. The circuitry is to input the first and second detection signals, output a notification that the binding operation is executable by the binder, and cause the binder to perform the binding operation in response to receiving an instruction to start the binding operation.Type: ApplicationFiled: April 28, 2025Publication date: November 27, 2025Applicant: Ricoh Company, Ltd.Inventors: Suzuka FUJITA, Yuusuke SHIBASAKI, Yusuke HIRONO, Atsushi SHINODA, Shuuto TOHKAISHI, Sho ASANO, Wataru TAKAHASHI, Tomomichi HOSHINO, Kotomi KAMEYAMA, Satoshi HIRATA, Shingo YOSHIZAWA, Naofumi YOSHIDA, Ryota TAKAYAMA, Hirotaka YASUKAWA, Yoshito SUZUKI, Shinya MONMA, Takahiro WATANABE, Yuji SUZUKI, Wataru NOZAKI, Jun YAMADA, Yohsuke HARAGUCHI, Naohiro YOSHIDA
-
Publication number: 20250326602Abstract: A sheet folder includes a conveyance roller pair, first, second and third folding rollers, a guide, and circuitry. The conveyance roller pair conveys a sheet in a conveyance direction at a first speed. The first folding roller is downstream from the conveyance roller pair. The second and third folding rollers are in contact with the first folding roller to form first and second nips, respectively, with the first folding roller, and rotate along with the first folding roller. The guide is between the conveyance roller pair and the first nip in the conveyance direction, and is changeable between first and second postures. The circuitry is to control the guide to guide the sheet to the first nip and change the posture to the second posture to fold the sheet into the second nip, and control the first folding roller to rotate at a second speed and folds the sheet.Type: ApplicationFiled: April 4, 2025Publication date: October 23, 2025Applicant: Ricoh Company, Ltd.Inventors: Shingo YOSHIZAWA, Yuusuke SHIBASAKI, Yusuke HIRONO, Atsushi SHINODA, Shuuto TOHKAISHI, Sho ASANO, Wataru TAKAHASHI, Tomomichi HOSHINO, Kotomi KAMEYAMA, Satoshi HIRATA, Suzuka FUJITA, Naofumi YOSHIDA, Ryota TAKAYAMA, Hirotaka YASUKAWA, Yoshito SUZUKI, Shinya MONMA, Takahiro WATANABE, Yuji SUZUKI, Wataru NOZAKI, Jun YAMADA, Yohsuke HARAGUCHI, Naohiro YOSHIDA
-
Publication number: 20250307295Abstract: A set of computer-readable instructions, when executing by a computer of a server, causes the server to perform: when a font suggestion request is received from an information processing device and a user has been identified: a determination process; and a suggestion process. The determination process includes: extracting one or more related sets of label data related to the user from among a plurality of sets of label data recorded in a label database; and determining one or more languages based on one or more text objects contained in the one or more related sets of label data. The suggestion process includes: extracting one or more recommended sets of font data supporting the one or more languages from among a plurality of sets of font data recorded in a font database; and suggesting the one or more recommended sets of font data to the information processing device.Type: ApplicationFiled: March 25, 2025Publication date: October 2, 2025Inventor: Jun YAMADA
-
Publication number: 20250301078Abstract: A document processing apparatus includes a document tray, a conveyor, a reading device, and circuitry. The conveyor conveys an original document from the document tray. The reading device reads an image on the original document conveyed by the conveyor as a reading operation. The circuitry is to acquire document processing information of the original document, estimate a conveyance-failure occurrence rate when the reading device reads the image on the original document while the conveyor conveys the original document, based on combination data of the document processing information and the conveyance-failure occurrence rate when the conveyor autonomously conveys the original document in an autonomous conveyance mode without an instruction from an image forming apparatus, and determine a conveyance control amount of the conveyor to convey the original document according to the conveyance-failure occurrence rate estimated.Type: ApplicationFiled: March 12, 2025Publication date: September 25, 2025Applicant: Ricoh Company, Ltd.Inventor: Jun Yamada
-
Publication number: 20250289682Abstract: A post-processing apparatus includes a post-processing device, a sound collector, and circuitry. The post-processing device performs a post-processing operation on a sheet. The sound collector collects and inputs an operating sound of the post-processing operation performed by the post-processing device. The circuitry is to determine whether the operating sound input from the sound collector is normal or abnormal, output an error notification that the post-processing operation is abnormal when the operating sound is determined to be abnormal, and control the post-processing device to end the post-processing operation when the operating sound is determined to be normal.Type: ApplicationFiled: March 11, 2025Publication date: September 18, 2025Applicant: Ricoh Company, Ltd.Inventors: Naofumi YOSHIDA, Yuusuke SHIBASAKI, Yusuke HIRONO, Atsushi SHINODA, Shuuto TOHKAISHI, Sho ASANO, Wataru TAKAHASHI, Tomomichi HOSHINO, Kotomi KAMEYAMA, Satoshi HIRATA, Shingo YOSHIZAWA, Suzuka FUJITA, Hirotaka YASUKAWA, Yoshito SUZUKI, Shinya MONMA, Ryota TAKAYAMA, Takahiro WATANABE, Yuji SUZUKI, Wataru NOZAKI, Jun YAMADA, Yohsuke HARAGUCHI, Naohiro YOSHIDA
-
Publication number: 20250280081Abstract: A document processing apparatus includes a document tray, a document conveyor, and circuitry. The document tray is a tray on which a document is placed. The document conveyor conveys the document from the document tray. The circuitry is to acquire information of the document, determine a conveyance amount to convey the document, based on a first classification of the document previously set, estimate a second classification of the document based on the information of the document acquired, and change the conveyance amount when the first classification is different from the second classification.Type: ApplicationFiled: February 14, 2025Publication date: September 4, 2025Applicant: Ricoh Company, Ltd.Inventor: Jun YAMADA
-
Publication number: 20250263265Abstract: A post-processing apparatus including a sheet bundle inserter, a movable sheet stacker, and a sheet binder. The sheet bundle inserter inserts a sheet bundle having multiple sheets overlapped on each other. The movable sheet stacker is inserted into and withdrawn from the sheet bundle inserter. The movable sheet stacker has a stacker face on which the sheet bundle is stacked. The sheet binder is in the sheet bundle inserter, and performs a sheet binding operation on the sheet bundle stacked on the movable sheet stacker.Type: ApplicationFiled: February 19, 2025Publication date: August 21, 2025Applicant: Ricoh Company, Ltd.Inventors: Ryota Takayama, Yuusuke Shibasaki, Yusuke Hirono, Atsushi Shinoda, Shuuto Tohkaishi, Sho Asano, Wataru Takahashi, Tomomichi Hoshino, Kotomi Kameyama, Satoshi Hirata, Shingo Yoshizawa, Suzuka Fujita, Naofumi Yoshida, Hirotaka Yasukawa, Yoshito Suzuki, Shinya Monma, Takahiro Watanabe, Yuji Suzuki, Wataru Nozaki, Jun Yamada, Yohsuke Haraguchi, Naohiro Yoshida
-
Patent number: 12384647Abstract: A sheet folding apparatus includes a conveyor, a first folding roller, a second folding roller, a third folding roller, a guide, a motor, and a driving force transmission mechanism. The motor causes the second folding roller to perform either forward rotation in which the second folding roller rotates to convey a sheet on a main conveying path in a conveying direction and to convey the sheet on a reflux conveying path from a joining position toward a branching position or backward rotation in a direction opposite to the forward rotation. The driving force transmission mechanism rotates the guide toward a first posture from a second posture in conjunction with the forward rotation of the second folding roller and rotates the guide from the first posture toward the second posture in conjunction with the backward rotation of the second folding roller.Type: GrantFiled: December 5, 2023Date of Patent: August 12, 2025Assignee: RICOH COMPANY, LTD.Inventors: Yuusuke Shibasaki, Yusuke Hirono, Atsushi Shinoda, Shuuto Tohkaishi, Satoshi Hirata, Shingo Yoshizawa, Suzuka Fujita, Naofumi Yoshida, Ryota Takayama, Takahiro Watanabe, Takuya Morinaga, Yuji Suzuki, Wataru Nozaki, Kanako Fujisaki, Jun Yamada