Patents by Inventor Hiroaki Ohashi
Hiroaki Ohashi 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: 9323180Abstract: A developing device includes a contact member and a developing adhesion member. The contact member is provided to an air releasing part communicating an inside and an outside of a developer case storing a developer containing a toner, in a condition being contactable with an agitating member agitating and conveying the developer in the developing case. The developing adhesion member is supported by the contact member and is configured to collect the developer within air flowing from the inside to the outside of the developing case and to receive vibration caused by agitating and conveying operations of the agitating member through the contact member.Type: GrantFiled: January 15, 2014Date of Patent: April 26, 2016Assignee: KYOCERA Document Solutions Inc.Inventors: Masahiro Kashimoto, Hiroaki Ohashi
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Patent number: 9301376Abstract: A strobe lighting unit including a detecting circuit can reliably detect degradations of a xenon light source, which can flash as a light source for devices having a shooting with camera such as a smart phone, etc. The strobe lighting unit can include at least one xenon discharge tube as the xenon light source and at least one lighting circuit to flash the xenon discharge tube. The strobe lighting unit can also include at least one light-detecting circuit to detect degradations of the xenon discharge tube without a photo detector by monitoring an anode electrode of the xenon discharge tube at a flash thereof, and can be configured to output the monitoring result into the devices. Thus, the strobe lighting unit can result in an increase in the possible range of the devices, and can be employed for various devices including a thin mobile phone, a thin smart phone, etc.Type: GrantFiled: June 20, 2015Date of Patent: March 29, 2016Assignee: Stanley Electric Co., Ltd.Inventors: Eiji Takashiro, Hiroaki Ohashi
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Patent number: 9264593Abstract: An image pickup apparatus capable of performing zooming and release operation easily whether the photographer operates with right-handed or left-handed without being lack of design. The image pickup apparatus includes a lens unit, a first ring operation unit that is ring shaped and arranged around the lens unit, a base unit configured to hold the first ring operation unit so that the first ring operation unit is capable of sliding in a first direction and a second direction perpendicular to an optical axis of the lens unit, and a first detector configured to detect a slide of the first ring operation unit in the first direction or the second direction. The first direction and the second direction are opposite to each other.Type: GrantFiled: December 20, 2013Date of Patent: February 16, 2016Assignee: CANON KABUSHIKI KAISHAInventors: Tomoki Takahashi, Miyabi Miyagawa, Takeshi Kikkawa, Hiroaki Ohashi
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Publication number: 20160026119Abstract: An image forming apparatus according to an aspect of the present disclosure includes a toner conveyance portion, a vent hole portion, an air suction portion, and a filter portion. The toner conveyance portion forms a toner conveyance passage between a developing device and a collection container such that toner discharged from the developing device is conveyed in the toner conveyance passage and collected in the collection container. The vent hole portion is formed in the toner conveyance portion and allows inside and outside of the toner conveyance portion to communicate with each other such that air can be ventilated between the inside and the outside of the toner conveyance portion. The air suction portion sucks the air inside the toner conveyance portion via the vent hole portion. The filter portion is disposed on the vent hole portion and traps toner contained in the air sucked by the air suction portion.Type: ApplicationFiled: July 27, 2015Publication date: January 28, 2016Inventors: Hiroaki Ohashi, Masahiro Kashimoto
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Publication number: 20150373819Abstract: A strobe lighting unit including a detecting circuit can reliably detect degradations of a xenon light source, which can flash as a light source for devices having a shooting with camera such as a smart phone, etc. The strobe lighting unit can include at least one xenon discharge tube as the xenon light source and at least one lighting circuit to flash the xenon discharge tube. The strobe lighting unit can also include at least one light-detecting circuit to detect degradations of the xenon discharge tube without a photo detector by monitoring an anode electrode of the xenon discharge tube at a flash thereof, and can be configured to output the monitoring result into the devices. Thus, the strobe lighting unit can result in an increase in the possible range of the devices, and can be employed for various devices including a thin mobile phone, a thin smart phone, etc.Type: ApplicationFiled: June 20, 2015Publication date: December 24, 2015Inventors: Eiji Takashiro, Hiroaki Ohashi
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Publication number: 20150362889Abstract: An image forming apparatus includes an image carrier unit, a developing device, a unit support frame, a retainer, and a developing device moving mechanism. The retainer swings in a first direction, in which the image carrier unit and the developing device are mounted in the unit support frame, to perform positioning of an image carrier, and swings in a second direction, in which the image carrier unit and the developing device are drawn out from a main body of the image forming apparatus, to unlock a positioned state of the image carrier. The developing device moving mechanism associates with the swing of the retainer in the first direction to dispose the developing device at a developing position, and associates with the swing of the retainer in the second direction to dispose the developing device at a separation position.Type: ApplicationFiled: May 18, 2015Publication date: December 17, 2015Applicant: KYOCERA Document Solutions Inc.Inventors: Hiroaki OHASHI, Masahiro KASHIMOTO
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Patent number: 9158229Abstract: A development device includes a sheet member, a support member, and a vibration applying device. The sheet member is disposed between a developer carrier and a blade to receive a developer falling from the developer carrier toward the blade. The developer carrier is disposed to face to an image carrier on which an electrostatic latent image is formed and configured to supply the developer to the image carrier in a facing area to the image carrier. The blade is configured to regulate an amount of the developer carried on the developer carrier. The support member holds the sheet member. The vibration applying device applies vibration to the sheet member. The sheet member is stretchable and flexible and is stretched over the support member.Type: GrantFiled: January 14, 2014Date of Patent: October 13, 2015Assignee: KYOCERA Document Solutions Inc.Inventors: Hiroaki Ohashi, Masahiro Kashimoto
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Patent number: 9104128Abstract: An image forming apparatus includes an image forming section including an image carrier and a developing device, and a developer recovery mechanism. The developing device includes, a developer carrier, and a developer discharge portion. The image forming section incorporates a developing device employing a first developing method where toner is caused to adhere to the image carrier by a magnetic brush formed on the developer carrier, or a developing device having a toner carrier between the developer carrier and the image carrier, and employing a second developing method where a toner layer is formed on the toner carrier by a magnetic brush formed on the developer carrier, and toner is caused to adhere to the image carrier by the toner layer formed on the toner. These developing devices, in the image forming section, each have a same positional relationship between the developer discharge portion and an image-carrier rotation shaft.Type: GrantFiled: April 21, 2014Date of Patent: August 11, 2015Assignee: KYOCERA Document Solutions Inc.Inventors: Masahiro Kashimoto, Hiroaki Ohashi
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Patent number: 9098018Abstract: A developing device according to the present disclosure is provided with a developing container, a first stirring conveyance member and a second stirring conveyance member that stir and convey a developer within the developing container, and a developer carrying member that carries the developer. The developing container includes a discharge passage where a developer discharge port for discharging surplus developer within the developing container is formed. In the discharge passage, a discharge screw having a rotation shaft and a spiral blade is disposed. Within the discharge passage, at a portion on an upstream side of the developer discharge port in a developer discharge direction, there is provided a discharge regulating member that regulates discharge of the developer.Type: GrantFiled: October 21, 2014Date of Patent: August 4, 2015Assignee: KYOCERA Document Solutions Inc.Inventors: Masahiro Kashimoto, Hiroaki Ohashi
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Patent number: 9098056Abstract: An image forming apparatus includes an image carrying member unit, a development device, a developer collection mechanism and a unit support tray. The developer collection mechanism is arranged on a downstream side in a first direction where the development device and the image carrying member unit are fitted into the main body of the image forming apparatus and the toner discharge portion of the image carrying member unit is coupled to the developer collection mechanism. The unit support tray is provided such that the unit support tray can be moved horizontally in the first direction and a second direction where the development device and the image carrying member unit are removed from the main body of the image forming apparatus; the unit support tray is moved in the first or second direction such that the toner discharge portion and the developer collection mechanism are coupled or the coupling is cancelled.Type: GrantFiled: April 21, 2014Date of Patent: August 4, 2015Assignee: KYOCERA Document Solutions Inc.Inventors: Hiroaki Ohashi, Masahiro Kashimoto
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Patent number: 9069281Abstract: A developing device of the present disclosure includes a developing roller, a toner feeding roller, a thickness regulating member, and a casing. The toner feeding roller feeds toner to the developing roller. The thickness regulating member is disposed opposite to the toner feeding roller at a predetermined distance from the toner feeding roller, and the thickness regulating member regulates a thickness of the toner carried on the toner feeding roller. The casing holds therein the developing roller, the toner feeding roller, and the thickness regulating member. The thickness regulating member is formed in a roller shape and rotatable.Type: GrantFiled: June 21, 2013Date of Patent: June 30, 2015Assignee: KYOCERA Document Solutions Inc.Inventors: Hiroaki Ohashi, Ryoji Nishimura, Masahiro Kashimoto, Takeshi Fujimura
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Patent number: 9046815Abstract: A developing device of the present disclosure includes a developing roller, a toner feeding roller, a regulating blade, a blade holding member, a toner receiving member, and a casing. The regulating blade regulates a thickness of toner carried on the toner feeding roller. An air flow path is formed inside the blade holding member. The toner receiving member, the regulating blade, and the blade holding member each include a slit hole that leads to the air flow path.Type: GrantFiled: June 19, 2013Date of Patent: June 2, 2015Assignee: KYOCERA DOCUMENT SOLUTIONS INC.Inventors: Masahiro Kashimoto, Ryoji Nishimura, Hiroaki Ohashi, Takeshi Fujimura
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Publication number: 20150132027Abstract: A developing device according to the present disclosure is provided with a developing container, a first stirring conveyance member and a second stirring conveyance member that stir and convey a developer within the developing container, and a developer carrying member that carries the developer. The developing container includes a discharge passage where a developer discharge port for discharging surplus developer within the developing container is formed. In the discharge passage, a discharge screw having a rotation shaft and a spiral blade is disposed. Within the discharge passage, at a portion on an upstream side of the developer discharge port in a developer discharge direction, there is provided a discharge regulating member that regulates discharge of the developer.Type: ApplicationFiled: October 21, 2014Publication date: May 14, 2015Applicant: KYOCERA Document Solutions Inc.Inventors: Masahiro KASHIMOTO, Hiroaki OHASHI
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Publication number: 20140348543Abstract: An image forming apparatus includes an image forming section including an image carrier and a developing device, and a developer recovery mechanism. The developing device includes, a developer carrier, and a developer discharge portion. The image forming section incorporates a developing device employing a first developing method where toner is caused to adhere to the image carrier by a magnetic brush formed on the developer carrier, or a developing device having a toner carrier between the developer carrier and the image carrier, and employing a second developing method where a toner layer is formed on the toner carrier by a magnetic brush formed on the developer carrier, and toner is caused to adhere to the image carrier by the toner layer formed on the toner. These developing devices, in the image forming section, each have a same positional relationship between the developer discharge portion and an image-carrier rotation shaft.Type: ApplicationFiled: April 21, 2014Publication date: November 27, 2014Applicant: KYOCERA DOCUMENT SOLUTIONS INC.Inventors: Masahiro KASHIMOTO, Hiroaki OHASHI
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Publication number: 20140348536Abstract: An image forming apparatus includes an image carrying member unit, a development device, a developer collection mechanism and a unit support tray. The developer collection mechanism is arranged on a downstream side in a first direction where the development device and the image carrying member unit are fitted into the main body of the image forming apparatus and the toner discharge portion of the image carrying member unit is coupled to the developer collection mechanism. The unit support tray is provided such that the unit support tray can be moved horizontally in the first direction and a second direction where the development device and the image carrying member unit are removed from the main body of the image forming apparatus; the unit support tray is moved in the first or second direction such that the toner discharge portion and the developer collection mechanism are coupled or the coupling is cancelled.Type: ApplicationFiled: April 21, 2014Publication date: November 27, 2014Applicant: KYOCERA Document Solutions Inc.Inventors: Hiroaki OHASHI, Masahiro KASHIMOTO
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Patent number: 8855528Abstract: A developer transporting mechanism includes a pipe-like transporting path, sealing member, shutter, and urging member. The pipe-like transporting path, through which a developer is transported, has an discharge port at part of its side surface. The shutter is slidable along the surface of the sealing member to open and close the discharge port. The urging member urges the shutter in a direction in which the discharge port is closed. The sealing member is secured to the outer circumferential surface of the pipe-like transporting path. The sealing member also has a reduced part; its dimension in a width direction orthogonal to a direction in which the shutter moves is gradually reduced from the upstream end in the closing direction of the shutter toward the downstream end.Type: GrantFiled: February 18, 2013Date of Patent: October 7, 2014Assignee: Kyocera Document Solutions Inc.Inventors: Takeshi Fujimura, Ryoji Nishimura, Hiroaki Ohashi, Masahiro Kashimoto
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Patent number: 8840862Abstract: An apparatus for continuous high temperature gas treatment of particulate matter including a starting material supply port (1) through which starting particulate matter is supplied from an upper part of the apparatus; a treatment, gas supply port (2) through which a treating gas is supplied; a product discharge port (3) through which a product after treatment is discharged from a lower part of the apparatus; a treatment chamber (4) in which the particulate matter is treated with the treatment gas; a gas-solid separation chamber (5) provided in fluid communication with an upper part of the treatment chamber (4); and a cooling chamber (6) provided in fluid communication with a lower part of the treatment chamber (4). A heater (7) is provided on the outer periphery of the upper part of the treatment chamber (4), and a cooler (8) is provided on the outer periphery of the cooling chamber (6).Type: GrantFiled: March 30, 2011Date of Patent: September 23, 2014Assignee: Kureha CorporationInventors: Hiroaki Ohashi, Masaru Kagoshima, Yoshiki Shigaki
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Publication number: 20140205311Abstract: A developing device includes a contact member and a developing adhesion member. The contact member is provided to an air releasing part communicating an inside and an outside of a developer case storing a developer containing a toner, in a condition being contactable with an agitating member agitating and conveying the developer in the developing case. The developing adhesion member is supported by the contact member and is configured to collect the developer within air flowing from the inside to the outside of the developing case and to receive vibration caused by agitating and conveying operations of the agitating member through the contact member.Type: ApplicationFiled: January 15, 2014Publication date: July 24, 2014Applicant: KYOCERA DOCUMENT SOLUTIONS INC.Inventors: Masahiro KASHIMOTO, Hiroaki OHASHI
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Publication number: 20140205310Abstract: A development device includes a sheet member, a support member, and a vibration applying device. The sheet member is disposed between a developer carrier and a blade to receive a developer falling from the developer carrier toward the blade. The developer carrier is disposed to face to an image carrier on which an electrostatic latent image is formed and configured to supply the developer to the image carrier in a facing area to the image carrier. The blade is configured to regulate an amount of the developer carried on the developer carrier. The support member holds the sheet member. The vibration applying device applies vibration to the sheet member. The sheet member is stretchable and flexible and is stretched over the support member.Type: ApplicationFiled: January 14, 2014Publication date: July 24, 2014Applicant: KYOCERA DOCUMENT SOLUTIONS INC.Inventors: Hiroaki OHASHI, Masahiro KASHIMOTO
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Publication number: 20140184903Abstract: An image pickup apparatus capable of performing zooming and release operation easily whether the photographer operates with right-handed or left-handed without being lack of design. The image pickup apparatus includes a lens unit, a first ring operation unit that is ring shaped and arranged around the lens unit, a base unit configured to hold the first ring operation unit so that the first ring operation unit is capable of sliding in a first direction and a second direction perpendicular to an optical axis of the lens unit, and a first detector configured to detect a slide of the first ring operation unit in the first direction or the second direction. The first direction and the second direction are opposite to each other.Type: ApplicationFiled: December 20, 2013Publication date: July 3, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Tomoki Takahashi, Miyabi Miyagawa, Takeshi Kikkawa, Hiroaki Ohashi