Patents by Inventor Shoji Asanuma
Shoji Asanuma 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: 12102699Abstract: The present invention relates to a foaming composition comprising: (a) at least one cationic polysaccharide; (b) at least one crosslinker having three or more acid groups or salt thereof; (c) at least one oil; and (d) at least one physiologically acceptable volatile medium, wherein the amount of the (c) oil(s) in the composition is 10% by weight or more, preferably 15% by weight or more, and more preferably 20% by weight or more, relative to the total weight of the composition. The composition according to the present invention can form a foam which is stable over time.Type: GrantFiled: August 9, 2019Date of Patent: October 1, 2024Assignee: L'OrealInventors: Takehiko Kasai, Toshifumi Shiroya, Shoji Maruyama, Hidehiko Asanuma
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Patent number: 10935929Abstract: An image forming apparatus includes an image forming device; a fixing device; a first conveyance passage downstream from the fixing device in a sheet conveyance direction; a second conveyance passage downstream from the fixing device and communicating with the first conveyance passage; a sheet reversing member to reverse a conveyance direction of the sheet to the second conveyance passage; a divider to switch a route of the sheet between the first conveyance passage and the second conveyance passage; and a sheet detection sensor disposed downstream from the fixing device and upstream from the divider. The first conveyance passage includes a sheet outlet from which the sheet is ejected outside the apparatus. The apparatus further includes a ventilation passage communicating with an outside, to guide air from the outside to pass the sheet detection sensor and enter at least one of the first conveyance passage and the second conveyance passage.Type: GrantFiled: September 10, 2019Date of Patent: March 2, 2021Assignee: Ricoh Company, Ltd.Inventors: Tomoya Tanaka, Shoji Asanuma, Taiga Shoen, Yoshihide Ohta, Akimitsu Obana, Makoto Kikura
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Patent number: 10761477Abstract: An image forming apparatus includes an apparatus body including a body side connector and a removable unit removably inserted in the apparatus body. The removable unit includes a unit side connector configured to engage with the body side connector in conjunction with insertion of the removable unit into and from the apparatus body in an insertion direction and disengage from the body side connector in conjunction with removal of the removable unit from the apparatus body in a removal direction. The apparatus further includes a first holder and a second holder. The first holder holds the body side connector and restrict the body side connector from moving in the insertion direction and the removal direction relative to the first holder. The second holder holds the first holder and restrict the first holder from moving in a direction different from the insertion direction and the removal direction.Type: GrantFiled: September 24, 2019Date of Patent: September 1, 2020Assignee: RICOH COMPANY, LTD.Inventors: Yoshihide Ohta, Makoto Kikura, Shoji Asanuma, Akimitsu Obana, Tomoya Tanaka, Taiga Shoen
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Publication number: 20200133195Abstract: An image forming apparatus includes an apparatus body including a body side connector and a removable unit removably inserted in the apparatus body. The removable unit includes a unit side connector configured to engage with the body side connector in conjunction with insertion of the removable unit into and from the apparatus body in an insertion direction and disengage from the body side connector in conjunction with removal of the removable unit from the apparatus body in a removal direction. The apparatus further includes a first holder and a second holder. The first holder holds the body side connector and restrict the body side connector from moving in the insertion direction and the removal direction relative to the first holder. The second holder holds the first holder and restrict the first holder from moving in a direction different from the insertion direction and the removal direction.Type: ApplicationFiled: September 24, 2019Publication date: April 30, 2020Applicant: Ricoh Company, Ltd.Inventors: Yoshihide OHTA, Makoto KIKURA, Shoji ASANUMA, Akimitsu OBANA, Tomoya TANAKA, Taiga SHOEN
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Publication number: 20200103823Abstract: An image forming apparatus includes an image forming device; a fixing device; a first conveyance passage downstream from the fixing device in a sheet conveyance direction; a second conveyance passage downstream from the fixing device and communicating with the first conveyance passage; a sheet reversing member to reverse a conveyance direction of the sheet to the second conveyance passage; a divider to switch a route of the sheet between the first conveyance passage and the second conveyance passage; and a sheet detection sensor disposed downstream from the fixing device and upstream from the divider. The first conveyance passage includes a sheet outlet from which the sheet is ejected outside the apparatus. The apparatus further includes a ventilation passage communicating with an outside, to guide air from the outside to pass the sheet detection sensor and enter at least one of the first conveyance passage and the second conveyance passage.Type: ApplicationFiled: September 10, 2019Publication date: April 2, 2020Applicant: Ricoh Company, Ltd.Inventors: Tomoya TANAKA, Shoji ASANUMA, Taiga SHOEN, Yoshihide OHTA, Akimitsu OBANA, Makoto KIKURA
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Patent number: 10599091Abstract: A cabinet includes a first body side engagement and a second body side engagement mounted on a body and a first cover side engagement and a second cover side engagement mounted on a cover. Slide restriction faces of the first cover side engagement and the second cover side engagement come into contact with slide restriction faces of the first body side engagement and the second body side engagement, respectively, to restrict sliding of a slider when the first cover side engagement does not engage the first body side engagement. The slide restriction face of at least one of the first body side engagement and the first cover side engagement has a length that is greater than a length of the slide restriction face of other one of the first body side engagement, the first cover side engagement, the second body side engagement, and the second cover side engagement.Type: GrantFiled: December 12, 2018Date of Patent: March 24, 2020Assignee: Ricoh Company, Ltd.Inventors: Makoto Kikura, Yoshihide Ohta, Shoji Asanuma, Gakushi Tanaka, Tomoya Tanaka, Akimitsu Obana, Taiga Shoen
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Publication number: 20190227478Abstract: A cabinet includes a first body side engagement and a second body side engagement mounted on a body and a first cover side engagement and a second cover side engagement mounted on a cover. Slide restriction faces of the first cover side engagement and the second cover side engagement come into contact with slide restriction faces of the first body side engagement and the second body side engagement, respectively, to restrict sliding of a slider when the first cover side engagement does not engage the first body side engagement. The slide restriction face of at least one of the first body side engagement and the first cover side engagement has a length that is greater than a length of the slide restriction face of other one of the first body side engagement, the first cover side engagement, the second body side engagement, and the second cover side engagement.Type: ApplicationFiled: December 12, 2018Publication date: July 25, 2019Applicant: Ricoh Company, Ltd.Inventors: Makoto Kikura, Yoshihide Ohta, Shoji Asanuma, Gakushi Tanaka, Tomoya Tanaka, Akimitsu Obana, Taiga Shoen
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Patent number: 9711125Abstract: A sound absorbing device including a Helmholtz resonator having a projection part which includes a shape of protruding from an outer wall surface of a communicating part forming plate among the communicating part forming plate and a cavity forming member that are cavity part forming members forming a cavity part of the Helmholtz resonator, and surrounding an opening of a communicating part that causes the cavity part to communicate with the outside.Type: GrantFiled: June 13, 2016Date of Patent: July 18, 2017Assignee: RICOH COMPANY, LIMITEDInventors: Kouta Hirakawa, Junichi Murano, Shoji Asanuma, Toshihiro Shimada, Tsuyoshi Endo, Hiroki Ishimitsu, Masahiro Ishida, Naoki Matsuda
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Patent number: 9527321Abstract: An electronic device comprises: a shielding object that is arranged at least in a plurality of directions and shields noise; and a Helmholtz silencer that is arranged in a direction where the shielding object does not exist, the shielding object and the silencer being arranged with respect to a noise source causing noise such as a driving source that is arranged inside an apparatus body, wherein a neck portion of the Helmholtz silencer is directed to the noise source, a plurality of such Helmholtz silencers are provided to correspond to at least two kinds of frequencies, and installed number of the Helmholtz silencers corresponding to at least two kinds of the frequencies respectively, is made different depending on a distance from the noise source.Type: GrantFiled: June 2, 2015Date of Patent: December 27, 2016Assignee: RICOH COMPANY, LIMITEDInventors: Junichi Kawase, Junichi Murano, Shoji Asanuma, Toshihiro Shimada, Kouta Hirakawa, Tsuyoshi Endo, Hiroki Ishimitsu, Masahiro Ishida, Naoki Matsuda
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Publication number: 20160300558Abstract: A sound absorbing device including a Helmholtz resonator having a projection part which includes a shape of protruding from an outer wall surface of a communicating part forming plate among the communicating part forming plate and a cavity forming member that are cavity part forming members forming a cavity part of the Helmholtz resonator, and surrounding an opening of a communicating part that causes the cavity part to communicate with the outside.Type: ApplicationFiled: June 13, 2016Publication date: October 13, 2016Applicant: Ricoh Company, Ltd.Inventors: Kouta Hirakawa, Junichi MURANO, Shoji ASANUMA, Toshihiro SHIMADA, Tsuyoshi ENDO, Hiroki ISHIMITSU, Masahiro ISHIDA, Naoki MATSUDA
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Patent number: 9389574Abstract: A sound absorbing device including a Helmholtz resonator also includes a projection part having a shape of protruding from an outer wall surface of a communicating part forming plate among the communicating part forming plate and a cavity forming member that are cavity part forming members forming a cavity part of the Helmholtz resonator, and surrounding an opening of a communicating part that causes the cavity part to communicate with the outside.Type: GrantFiled: February 25, 2015Date of Patent: July 12, 2016Assignee: RICOH COMPANY, LIMITEDInventors: Kouta Hirakawa, Junichi Murano, Shoji Asanuma, Toshihiro Shimada, Tsuyoshi Endo, Hiroki Ishimitsu, Masahiro Ishida, Naoki Matsuda
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Publication number: 20150343816Abstract: An electronic device comprises: a shielding object that is arranged at least in a plurality of directions and shields noise; and a Helmholtz silencer that is arranged in a direction where the shielding object does not exist, the shielding object and the silencer being arranged with respect to a noise source causing noise such as a driving source that is arranged inside an apparatus body, wherein a neck portion of the Helmholtz silencer is directed to the noise source, a plurality of such Helmholtz silencers are provided to correspond to at least two kinds of frequencies, and installed number of the Helmholtz silencers corresponding to at least two kinds of the frequencies respectively, is made different depending on a distance from the noise source.Type: ApplicationFiled: June 2, 2015Publication date: December 3, 2015Applicant: Ricoh Company, LimitedInventors: Junichi KAWASE, Junichi MURANO, Shoji ASANUMA, Toshihiro SHIMADA, Kouta HIRAKAWA, Tsuyoshi ENDO, Hiroki ISHIMITSU, Masahiro ISHIDA, Naoki MATSUDA
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Publication number: 20150243274Abstract: A sound absorbing device including a Helmholtz resonator also includes a projection part having a shape of protruding from an outer wall surface of a communicating part forming plate among the communicating part forming plate and a cavity forming member that are cavity part forming members forming a cavity part of the Helmholtz resonator, and surrounding an opening of a communicating part that causes the cavity part to communicate with the outside.Type: ApplicationFiled: February 25, 2015Publication date: August 27, 2015Applicant: Ricoh Company, LimitedInventors: Kouta HIRAKAWA, Junichi MURANO, Shoji ASANUMA, Toshihiro SHIMADA, Tsuyoshi ENDO, Hiroki ISHIMITSU, Masahiro ISHIDA, Naoki MATSUDA
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Publication number: 20100149299Abstract: An inkjet recording apparatus provides an improved printing speed and improved convenience of use. A recording head discharges droplets of a recording liquid onto a paper so as to form an image on the paper. A belt conveyance mechanism has a belt onto which the paper is electrostatically attached. The paper attached onto the belt is conveyed in a direction perpendicular to a carding direction of the paper.Type: ApplicationFiled: February 23, 2010Publication date: June 17, 2010Inventors: Hajime NISHIDA, Manabu Nonaka, Eiki Yoshimizu, Shinichiro Naruse, Yasuhiro Kawashima, Hideki Sueoka, Tetsu Morino, Kazumasa Ishikawa, Yasunobu Youda, Akihiro Fujita, Shoji Asanuma, Masatoshi Sakakitani, Taku Kudoh, Shigeyuki Ito, Yohzoh Dohki, Koji Watanabe
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Patent number: 7712892Abstract: An inkjet recording apparatus provides an improved printing speed and improved convenience of use. A recording head discharges droplets of a recording liquid onto a paper so as to form an image on the paper. A belt conveyance mechanism has a belt onto which the paper is electrostatically attached. The paper attached onto the belt is conveyed in a direction perpendicular to a carding direction of the paper.Type: GrantFiled: March 2, 2005Date of Patent: May 11, 2010Assignee: Ricoh Company, Ltd.Inventors: Hajime Nishida, Manabu Nonaka, Eiki Yoshimizu, Shinichiro Naruse, Yasuhiro Kawashima, Hideki Sueoka, Tetsu Morino, Kazumasa Ishikawa, Yasunobu Youda, Akihiro Fujita, Shoji Asanuma, Masatoshi Sakakitani, Taku Kudoh, Shigeyuki Ito, Yohzoh Dohki, Koji Watanabe
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Patent number: 7614740Abstract: An image forming apparatus includes an apparatus body having an image forming part that forms an image by scanning a recording head discharging droplets of a recording liquid. A paper eject part is located in an upper portion of the apparatus body for stacking recording papers having the image formed thereon by the image forming part. An image reading part is located above the paper eject part. The apparatus body accommodates a maintenance and recovery mechanism and a waste discharge receiving part therein on both ends of a scanning range of the recording head. An outer covering of the apparatus body has a shape in which a portion corresponding to at least one of the maintenance and recovery mechanism and the waste discharge receiving part is recessed relative to other portions of the outer covering.Type: GrantFiled: February 22, 2006Date of Patent: November 10, 2009Assignee: Ricoh Company, Ltd.Inventor: Shoji Asanuma
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Patent number: 7578589Abstract: An image forming apparatus is provided with a openable/closable conveyance cover enabling exposure of a recording paper conveyance path on which recording paper is conveyed, on a top of a printer part carrying out recording on the recording paper, and has a conveyance cover lock part configured to fix a state in which the conveyance cover is opened, when recording paper jam occurs.Type: GrantFiled: February 21, 2006Date of Patent: August 25, 2009Assignee: Ricoh Company, Ltd.Inventor: Shoji Asanuma
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Patent number: 7505714Abstract: In an image forming device comprising an image forming part forming an image on a recording sheet, a sheet ejection part provided above the image forming part and stacking the recording sheet on which the image is formed by the image forming part, and an image reading part provided above the sheet ejection part and reading an image of an original document, the sheet ejection part is provided with a cover which is capable of being opened or closed to the sheet ejection part.Type: GrantFiled: May 25, 2005Date of Patent: March 17, 2009Assignee: Ricoh Company, Ltd.Inventors: Shoji Asanuma, Shuji Tanaka, Manabu Nonaka, Kazumasa Ishikawa, Taku Kudoh, Hajime Nishida, Akihiro Fujita, Yasuhiro Kawashima, Kenji Kameyama, Yasunobu Youda, Eiki Yoshimizu, Shinichiro Naruse, Yohzoh Dohki, Shigeyuki Ito
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Patent number: 7431422Abstract: A head cleaner is disclosed that includes a blade that has a top face and wipes the nozzle face of a liquid droplet ejecting head that ejects liquid droplets from nozzles, and a cleaning part that cleans the top face of the blade.Type: GrantFiled: December 13, 2004Date of Patent: October 7, 2008Assignee: Ricoh Company, Ltd.Inventors: Shoji Asanuma, Manabu Nonaka, Hajime Nishida, Akihiro Fujita, Eiki Yoshimizu, Shinichiro Naruse, Yasuhiro Kawashima, Taku Kudoh, Kazumasa Ishikawa, Yohzoh Dohki, Shigeyuki Ito
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Patent number: 7380931Abstract: An inkjet recording apparatus includes a carriage having a printing head and moving in a main scanning direction, an exterior cover, and a detection part configured to detect an opening or closing state of the exterior cover. The carriage is returned to a home position when opening of the exterior cover is detected.Type: GrantFiled: August 23, 2005Date of Patent: June 3, 2008Assignee: Ricoh Company, Ltd.Inventor: Shoji Asanuma