Patents by Inventor Daisuke Tezuka
Daisuke Tezuka 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: 20180272749Abstract: An information processing device is connected to a first reading device to read a recording medium to generate first data, a writing device to write on the recording medium based on second data, and a second reading device to read the recording medium to generate third data. The information processing device includes a first retrieval unit to obtain the first data; an identifying unit to identify the recording medium based on the first data; a second retrieval unit to obtain, upon detecting that the writing device writes on the recording medium, the third data; a determination unit to determine whether the second data differs from the third data; a calculation unit to calculate a number of times of writing on the recording medium; a storage unit to store the calculation value; and an evaluation unit to evaluate the recording medium based on the calculation value.Type: ApplicationFiled: March 14, 2016Publication date: September 27, 2018Inventors: Kazutaka YAMAMOTO, Daisuke TEZUKA, Yukari SUMITA
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Publication number: 20180239565Abstract: A data generating device is for generating writing data. The data generating device is connected to a writing device for writing a character on a recording medium based on the writing data. The data generating device includes an input unit configured to input the character and a layout, the layout being defined by a position, a size, and a range of writing the character; a calculation unit configured to calculate, in response to detecting that the character or the layout is changed, a writing time for writing by the writing device based on whether the character is to be written, an order of writing the character, and the layout; and an output unit configured to generate the writing data based on the character and the layout, and configured to output the generated writing data to the writing device.Type: ApplicationFiled: March 14, 2016Publication date: August 23, 2018Applicant: Ricoh Company, Ltd.Inventors: Kazutaka YAMAMOTO, Yukari SUMITA, Mutsuko NAGASHIMA, Daisuke TEZUKA
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Patent number: 9513188Abstract: According to an embodiment of the invention, a load estimation apparatus which estimates a load added to a laser light irradiation apparatus is provided. In the load estimation apparatus, a focal length adjustment unit adjusts the focal length in accordance with a distance from a light source to a light irradiation position in a recording medium, the apparatus comprising: an obtaining unit which obtains control data in which the light irradiation position is instructed with a coordinate; an operation amount detection unit which analyzes the coordinate of the control data to detect an operation amount of the focal distance adjustment unit; a load value calculation unit which accumulates load value information of the focal length adjustment unit in response to results of comparing the threshold and the operation amount when the operation amount is detected.Type: GrantFiled: March 16, 2015Date of Patent: December 6, 2016Assignee: RICOH COMPANY, LTD.Inventors: Takahiro Furukawa, Daisuke Tezuka
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Patent number: 9384457Abstract: A physical distribution management system includes an information write unit that writes, on an information recording medium attached to a conveyance container input to a conveyance unit, a size of the conveyance container; a size detection unit that detects the size of the conveyance container input to the conveyance unit; and an error detection unit that determines that an input error for the conveyance container input to the conveyance unit occurs when the size written on the information recording medium attached to the conveyance container input to the conveyance unit does not coincide with the size of the conveyance container input to the conveyance unit detected by the size detection unit.Type: GrantFiled: July 15, 2014Date of Patent: July 5, 2016Assignee: Ricoh Company, Ltd.Inventors: Takahiro Furukawa, Daisuke Tezuka
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Patent number: 9280690Abstract: A writing apparatus to which an external writing unit is connected comprises a writing unit that write, to a write object provided to a conveyed item, identification information thereof; a first reading unit in downstream side in a conveying direction than the writing unit, that reads identification information from the write object; a determination unit that determines whether the read identification information is consistent with identification information having to be written to the write object; and a notification unit configured to, when it is determined that identification information written to a first write object and read by the first reading unit is inconsistent with identification information having to be written to the first write object, notify the external writing unit of recovery information including the identification information having to be written to the first write object and/or a write content thereof.Type: GrantFiled: February 20, 2014Date of Patent: March 8, 2016Assignee: RICOH COMPANY, LIMITEDInventors: Takahiro Furukawa, Daisuke Tezuka
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Publication number: 20150260604Abstract: According to an embodiment of the invention, a load estimation apparatus which estimates a load added to a laser light irradiation apparatus is provided. In the load estimation apparatus, a focal length adjustment unit adjusts the focal length in accordance with a distance from a light source to a light irradiation position in a recording medium, the apparatus comprising: an obtaining unit which obtains control data in which the light irradiation position is instructed with a coordinate; an operation amount detection unit which analyzes the coordinate of the control data to detect an operation amount of the focal distance adjustment unit; a load value calculation unit which accumulates load value information of the focal length adjustment unit in response to results of comparing the threshold and the operation amount when the operation amount is detected.Type: ApplicationFiled: March 16, 2015Publication date: September 17, 2015Applicant: Ricoh Company, Ltd.Inventors: Takahiro FURUKAWA, Daisuke TEZUKA
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Publication number: 20150028095Abstract: A physical distribution management system includes an information write unit that writes, on an information recording medium attached to a conveyance container input to a conveyance unit, a size of the conveyance container; a size detection unit that detects the size of the conveyance container input to the conveyance unit; and an error detection unit that determines that an input error for the conveyance container input to the conveyance unit occurs when the size written on the information recording medium attached to the conveyance container input to the conveyance unit does not coincide with the size of the conveyance container input to the conveyance unit detected by the size detection unit.Type: ApplicationFiled: July 15, 2014Publication date: January 29, 2015Applicant: RICOH COMPANY, LIMITEDInventors: Takahiro FURUKAWA, Daisuke TEZUKA
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Publication number: 20140239058Abstract: A writing apparatus to which an external writing unit is connected comprises a writing unit that write, to a write object provided to a conveyed item, identification information thereof; a first reading unit in downstream side in a conveying direction than the writing unit, that reads identification information from the write object; a determination unit that determines whether the read identification information is consistent with identification information having to be written to the write object; and a notification unit configured to, when it is determined that identification information written to a first write object and read by the first reading unit is inconsistent with identification information having to be written to the first write object, notify the external writing unit of recovery information including the identification information having to be written to the first write object and/or a write content thereof.Type: ApplicationFiled: February 20, 2014Publication date: August 28, 2014Inventors: Takahiro Furukawa, Daisuke Tezuka
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Patent number: 8786652Abstract: An information processing apparatus that generates positional information relating to an energy transmitting position includes a shape information obtaining unit that obtains shape information of a region, a circumscribed rectangle generating unit that generates a circumscribed rectangle of the region, a parallel line generating unit that generates parallel lines extending across the region at a predetermined interval, an intersection calculating unit that calculates a first intersection point between a parallel line of the parallel lines and a line segment of an outline defining the region that is generated based on the shape information, and a data generating unit that generates parallel line data by dividing the parallel line at the first intersection point and removing a divided line that overlaps with the circumscribed rectangle, or by shortening an edge point of the parallel line to the first intersection point.Type: GrantFiled: January 10, 2013Date of Patent: July 22, 2014Assignee: Ricoh Company, Ltd.Inventors: Takahiro Furukawa, Daisuke Tezuka
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Patent number: 8570353Abstract: Disclosed is an image forming apparatus including a laser unit that has a function to emit a laser light to heat a thermal rewritable recording medium to write a drawing on the thermal rewritable recording medium and to erase a drawing written on the thermal rewritable recording medium by heating the thermal rewritable recording medium; and an erasing data generating unit that generates erasing data indicative of a position of an erasing area corresponding to a part of the thermal rewritable recording medium, the laser unit erasing the drawing written on the erasing area of the thermal rewritable recording medium based on the erasing data generated by the erasing data generating unit.Type: GrantFiled: December 20, 2011Date of Patent: October 29, 2013Assignee: Ricoh Company, Ltd.Inventors: Takahiro Furukawa, Daisuke Tezuka
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Publication number: 20130182060Abstract: An information processing apparatus that generates positional information relating to an energy transmitting position includes a shape information obtaining unit that obtains shape information of a region, a circumscribed rectangle generating unit that generates a circumscribed rectangle of the region, a parallel line generating unit that generates parallel lines extending across the region at a predetermined interval, an intersection calculating unit that calculates a first intersection point between a parallel line of the parallel lines and a line segment of an outline defining the region that is generated based on the shape information, and a data generating unit that generates parallel line data by dividing the parallel line at the first intersection point and removing a divided line that overlaps with the circumscribed rectangle, or by shortening an edge point of the parallel line to the first intersection point.Type: ApplicationFiled: January 10, 2013Publication date: July 18, 2013Inventors: Takahiro FURUKAWA, Daisuke TEZUKA
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Publication number: 20120162340Abstract: Disclosed is an image forming apparatus including a laser unit that has a function to emit a laser light to heat a thermal rewritable recording medium to write a drawing on the thermal rewritable recording medium and to erase a drawing written on the thermal rewritable recording medium by heating the thermal rewritable recording medium; and an erasing data generating unit that generates erasing data indicative of a position of an erasing area corresponding to a part of the thermal rewritable recording medium, the laser unit erasing the drawing written on the erasing area of the thermal rewritable recording medium based on the erasing data generated by the erasing data generating unit.Type: ApplicationFiled: December 20, 2011Publication date: June 28, 2012Inventors: Takahiro FURUKAWA, Daisuke Tezuka
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Publication number: 20120003525Abstract: The present invention provides a separator for an electricity storage device that is formed by superimposing two or more fiber layers, wherein at least one or more of the fiber layers is a synthetic fiber layer that contains synthetic fibers and a synthetic resin binding agent, and also provides a method of manufacturing the same. Moreover, the present invention provides a separator for an electricity storage device that contains thermoplastic synthetic fibers A, heat-resistant synthetic fibers B, natural fibers C, and a synthetic resin-based binding agent, and also provides a method of manufacturing the same.Type: ApplicationFiled: March 16, 2010Publication date: January 5, 2012Applicant: TOMOEGAWA CO., LTD.Inventors: Takeshi Hashimoto, Hiroki Totsuka, Masanori Takahata, Mitsuyoshi Takanashi, Yasuhiro Oota, Kazuhiko Sano, Daisuke Tezuka
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Publication number: 20110206972Abstract: Provided is a power storage device separator that is realized in the form of a heat-resistant, solvent-resistant, and dimensionally stable thin film. Also provided is a power storage device separator that can be realized in the form of a thin film which has excellent ion permeability and low resistance, which makes short-circuiting between electrodes and self-discharging difficult to occur, and in addition, which has excellent durability even after long periods of use under high temperature environments in the presence of organic solvents and ionic solutions.Type: ApplicationFiled: October 14, 2009Publication date: August 25, 2011Applicant: TOMOEGAWA CO., LTD.Inventors: Takeshi Hashimoto, Hiroki Totsuka, Masanori Takahata, Mitsuyoshi Takanashi, Yasuhiro Oota, Kazuhiko Sano, Daisuke Tezuka