Patents by Inventor Masafumi Hashiguchi
Masafumi Hashiguchi 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: 11156557Abstract: A chemiluminescence analyzer includes a reactor to cause waste liquid discharged from a blood purification apparatus to react with a reagent solution, a photodetector to measure an intensity of chemiluminescence arising in the reactor, a first liquid conveyor to convey the waste liquid from a waste liquid passage of the blood purification apparatus to the reactor, and a second liquid conveyor to convey the reagent solution to the reactor. The chemiluminescence analyzer further includes a liquid mixture passage extending from the reactor to convey a liquid mixture including the waste liquid and the reagent solution after reaction, a joint to couple the liquid mixture passage to the waste liquid passage of the blood purification apparatus, and an electric interface for connection with an external device.Type: GrantFiled: March 16, 2018Date of Patent: October 26, 2021Assignee: Ricoh Company, Ltd.Inventors: Toshio Yanata, Masafumi Hashiguchi, Yasuhide Fukushima, Yutaro Hoshino, Mikihiko Takao
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Patent number: 10691641Abstract: A method includes first determining whether a character string related to a specific type, from among types of a plurality of files, is included in attribute information of each of the plurality of files which a process that is being executed refers to or updates, second determining the types of each of the plurality of files using higher priority which is given to a first file than a second file from among the plurality of files, the first file having a first attribute information which includes the character string, the second file having a second attribute information which does not include the character string, and outputting a determination result regarding the types related to the plurality of files.Type: GrantFiled: April 21, 2017Date of Patent: June 23, 2020Assignee: FUJITSU LIMITEDInventors: Tsuguto Chiba, Masafumi Hashiguchi, Atsushi Shimano
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Patent number: 10670532Abstract: A measuring apparatus includes a light receiving device, a housing, an optical window, an electrical connection line, and a line enclosure. The light receiving device receives light and output a signal. The housing, made of a conductive material, covers the light receiving device. The optical window transmits the light. The optical window includes a conductive part having conductivity. The electrical connection line transmits the signal. The line enclosure is disposed around the electrical connection line and electrically connected to the conductive part and the housing.Type: GrantFiled: August 7, 2018Date of Patent: June 2, 2020Assignee: Ricoh Company, Ltd.Inventors: Masafumi Hashiguchi, Toshio Yanata, Yasuhide Fukushima, Mikihiko Takao
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Publication number: 20190049389Abstract: A measuring apparatus includes a light receiving device, a housing, an optical window, an electrical connection line, and a line enclosure. The light receiving device receives light and output a signal. The housing, made of a conductive material, covers the light receiving device. The optical window transmits the light. The optical window includes a conductive part having conductivity. The electrical connection line transmits the signal. The line enclosure is disposed around the electrical connection line and electrically connected to the conductive part and the housing.Type: ApplicationFiled: August 7, 2018Publication date: February 14, 2019Applicant: Ricoh Company, Ltd.Inventors: Masafumi HASHIGUCHI, Toshio YANATA, Yasuhide FUKUSHIMA, Mikihiko TAKAO
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Publication number: 20180266963Abstract: A chemiluminescence analyzer includes a reactor to cause waste liquid discharged from a blood purification apparatus to react with a reagent solution, a photodetector to measure an intensity of chemiluminescence arising in the reactor, a first liquid conveyor to convey the waste liquid from a waste liquid passage of the blood purification apparatus to the reactor, and a second liquid conveyor to convey the reagent solution to the reactor. The chemiluminescence analyzer further includes a liquid mixture passage extending from the reactor to convey a liquid mixture including the waste liquid and the reagent solution after reaction, a joint to couple the liquid mixture passage to the waste liquid passage of the blood purification apparatus, and an electric interface for connection with an external device.Type: ApplicationFiled: March 16, 2018Publication date: September 20, 2018Applicant: Ricoh Company, Ltd.Inventors: Toshio Yanata, Masafumi Hashiguchi, Yasuhide Fukushima, Yutaro Hoshino, Mikihiko Takao
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Publication number: 20170344571Abstract: A method includes first determining whether a character string related to a specific type, from among types of a plurality of files, is included in attribute information of each of the plurality of files which a process that is being executed refers to or updates, second determining the types of each of the plurality of files using higher priority which is given to a first file than a second file from among the plurality of files, the first file having a first attribute information which includes the character string, the second file having a second attribute information which does not include the character string, and outputting a determination result regarding the types related to the plurality of files.Type: ApplicationFiled: April 21, 2017Publication date: November 30, 2017Applicant: FUJITSU LIMITEDInventors: TSUGUTO CHIBA, Masafumi Hashiguchi, Atsushi Shimano
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Patent number: 9417872Abstract: A computer-readable recording medium stores a program for causing an apparatus to execute an address managing process including: associating information that identifies a branch destination routine of a branch instruction with a jump instruction in which a relative address to the branch destination routine, and generating the associated information and jump instruction in a branch destination management entry on a memory; setting a relative address to a position of the jump instruction that corresponds to the information that identifies the branch destination routine of the branch instruction, as a branch destination relative address of the branch instruction; and changing the jump destination of the jump instruction that corresponds to the information that identifies the branch destination routine, to a relative address to a position of the branch destination routine of the movement destination, with reference to the branch destination management entry when the branch destination routine is moved.Type: GrantFiled: June 4, 2013Date of Patent: August 16, 2016Assignee: FUJITSU LIMITEDInventor: Masafumi Hashiguchi
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Patent number: 8934795Abstract: An optical sensor unit includes: a light-emitting device; a light-receiving device that receives light which is emitted from the light-emitting device and reflected from an object to be detected, and outputs an output value in accordance with the light; a shutter member that openably and closably covers an incident/exit plane having an exit part where light of the light-emitting device is emitted to the object to be detected and an incident part where light reflected from the object to be detected enters, and has a facing surface facing the incident/exit plane that is an inclined surface inclined to the incident/exit plane; and a corrector that corrects an output value of the light-receiving device when receiving light reflected from the object to be detected, based on an output value of the light-receiving device obtained by emitting light to the inclined surface of the shutter member.Type: GrantFiled: June 26, 2012Date of Patent: January 13, 2015Assignee: Ricoh Company, Ltd.Inventors: Masafumi Hashiguchi, Toshio Yanata, Masahiko Sato, Masataka Akaishi, Sohichiroh Naka
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Patent number: 8930661Abstract: A memory leak detecting method includes: producing an object which occupies an area on a first area of the memory; checking a presence of a pointer which points at the object separately so as to remove the object and to repeatedly carry out a process for increasing a counter value of the object; moving the object from the area on the first area of the memory to an area on the second area of the memory when the counter value exceeding a first threshold; and moving the object from the area on the second area to the area on the first area and clearing the counter value of the object upon the object occupying the area on the second area.Type: GrantFiled: March 14, 2011Date of Patent: January 6, 2015Assignee: Fujitsu LimitedInventor: Masafumi Hashiguchi
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Patent number: 8818218Abstract: A photosensor includes a light emitting element to emit light to a target object, a light receiving element to receive the light emitted from the light emitting element and reflected by the target object, and a circuit board on which the light emitting element and the light receiving element are mounted, including at least one protrusion thereon. The light emitting element and the light receiving element each have a terminal. The at least one protrusion is configured to support one of the light emitting element and the light receiving element in a contact manner in a state that the terminal is electrically connected to the circuit board.Type: GrantFiled: July 2, 2012Date of Patent: August 26, 2014Assignee: Ricoh Company, Ltd.Inventors: Sohichiroh Naka, Toshio Yanata, Masahiko Sato, Masataka Akaishi, Masafumi Hashiguchi
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Patent number: 8774656Abstract: An image position detector includes a light emitting element to emit light to an image on an image carrier, a first light receiving element to receive a specular reflection of light from a surface of the image carrier and output a first light receiving signal, and a second light receiving element to receive a diffuse reflection of light from a surface of the image and output a second light receiving signal. The image position detector is configured to find the end position of the image according to a multiplied value obtained by multiplying values of the first and second light receiving signals by a constant coefficient.Type: GrantFiled: May 18, 2012Date of Patent: July 8, 2014Assignee: Ricoh Company, Ltd.Inventors: Masahiko Sato, Toshio Yanata, Masafumi Hashiguchi, Masataka Akaishi, Sohichiroh Naka, Norifumi Yamamoto
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Publication number: 20140006759Abstract: A computer-readable recording medium stores a program for causing an apparatus to execute an address managing process including: associating information that identifies a branch destination routine of a branch instruction with a jump instruction in which a relative address to the branch destination routine, and generating the associated information and jump instruction in a branch destination management entry on a memory; setting a relative address to a position of the jump instruction that corresponds to the information that identifies the branch destination routine of the branch instruction, as a branch destination relative address of the branch instruction; and changing the jump destination of the jump instruction that corresponds to the information that identifies the branch destination routine, to a relative address to a position of the branch destination routine of the movement destination, with reference to the branch destination management entry when the branch destination routine is moved.Type: ApplicationFiled: June 4, 2013Publication date: January 2, 2014Applicant: FUJITSU LIMITEDInventor: Masafumi HASHIGUCHI
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Patent number: 8474810Abstract: A reflective photosensor detects a target object. The photosensor includes a transparent circuit board, a light emitter and a light receiver on one surface of the circuit board, including a light emitting element and a light receiving element, respectively, and disposed so that the light emitting element and the light receiving element face the one surface, a concave portion on the other surface of the circuit board, including a first refractive face to oppose the light emitting element and refract light from the light emitting element to the light receiving element and a second refractive face to oppose the light receiving element and refract, to the light receiver, a component of the light refracted by the first refractive face and specularly reflected by the target object.Type: GrantFiled: June 27, 2012Date of Patent: July 2, 2013Assignee: Ricoh Company, Ltd.Inventors: Norifumi Yamamoto, Masahiko Sato, Toshio Yanata, Masafumi Hashiguchi, Masataka Akaishi, Sohichiroh Naka
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Publication number: 20130022363Abstract: A photosensor includes a light emitting element to emit light to a target object, a light receiving element to receive the light emitted from the light emitting element and reflected by the target object, and a circuit board on which the light emitting element and the light receiving element are mounted, including at least one protrusion thereon. The light emitting element and the light receiving element each have a terminal. The at least one protrusion is configured to support one of the light emitting element and the light receiving element in a contact manner in a state that the terminal is electrically connected to the circuit board.Type: ApplicationFiled: July 2, 2012Publication date: January 24, 2013Inventors: Sohichiroh NAKA, Toshio Yanata, Masahiko Sato, Masataka Akaishi, Masafumi Hashiguchi
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Publication number: 20130001857Abstract: A reflective photosensor detects a target object. The photosensor includes a transparent circuit board, a light emitter and a light receiver on one surface of the circuit board, including a light emitting element and a light receiving element, respectively, and disposed so that the light emitting element and the light receiving element face the one surface, a concave portion on the other surface of the circuit board, including a first refractive face to oppose the light emitting element and refract light from the light emitting element to the light receiving element and a second refractive face to oppose the light receiving element and refract, to the light receiver, a component of the light refracted by the first refractive face and specularly reflected by the target object.Type: ApplicationFiled: June 27, 2012Publication date: January 3, 2013Applicant: RICOH COMPANY, LTD.Inventors: Norifumi Yamamoto, Masahiko Sato, Toshio Yanata, Masafumi Hashiguchi, Masataka Akaishi, Sohichiroh Naka
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Publication number: 20130004189Abstract: An optical sensor unit includes: a light-emitting device; a light-receiving device that receives light which is emitted from the light-emitting device and reflected from an object to be detected, and outputs an output value in accordance with the light; a shutter member that openably and closably covers an incident/exit plane having an exit part where light of the light-emitting device is emitted to the object to be detected and an incident part where light reflected from the object to be detected enters, and has a facing surface facing the incident/exit plane that is an inclined surface inclined to the incident/exit plane; and a corrector that corrects an output value of the light-receiving device when receiving light reflected from the object to be detected, based on an output value of the light-receiving device obtained by emitting light to the inclined surface of the shutter member.Type: ApplicationFiled: June 26, 2012Publication date: January 3, 2013Applicant: Ricoh Company, Ltd.Inventors: Masafumi Hashiguchi, Toshio Yanata, Masahiko Sato, Masataka Akaishi, Sohichiroh Naka
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Patent number: 8332845Abstract: A recovery virtual machine acquires execution frequency information from a file, and converts a procedure, of which execution frequency is high in the execution frequency information acquired, to native code, and the time for starting the conversion is thereby reduced. Furthermore, by performing conversion at a timing at which a target procedure is invoked, load occurring due to the conversion is distributed, to prevent occurrence of failure in execution of an application caused by the load occurring due to the conversion.Type: GrantFiled: June 28, 2006Date of Patent: December 11, 2012Assignee: Fujitsu LimitedInventors: Yukihiro Kimura, Masakazu Hayashi, Masafumi Hashiguchi, Hidetoshi Hattori
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Publication number: 20120298845Abstract: An image position detector includes a light emitting element to emit light to an image on an image carrier, a first light receiving element to receive a specular reflection of light from a surface of the image carrier and output a first light receiving signal, and a second light receiving element to receive a diffuse reflection of light from a surface of the image and output a second light receiving signal. The image position detector is configured to find the end position of the image according to a multiplied value obtained by multiplying values of the first and second light receiving signals by a constant coefficient.Type: ApplicationFiled: May 18, 2012Publication date: November 29, 2012Applicant: RICOH COMPANY, LTD.Inventors: Masahiko Sato, Toshio Yanata, Masafumi Hashiguchi, Masataka Akaishi, Sohichiroh Naka, Norifumi Yamamoto
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Publication number: 20110238940Abstract: A memory leak detecting method includes: producing an object which occupies an area on a first area of the memory; checking a presence of a pointer which points at the object separately so as to remove the object and to repeatedly carry out a process for counting up a counter value of the object separately upon the pointer not being present and being present; moving the area occupied by the object from the area on the first area of the memory to an area on the second area of the memory upon the counter value exceeding a first threshold; and moving the area occupied by the object from the area on the second area to the area on the first area and clearing the counter value of the object upon the object occupying the area on the second area being run.Type: ApplicationFiled: March 14, 2011Publication date: September 29, 2011Applicant: FUJITSU LIMITEDInventor: Masafumi HASHIGUCHI
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Publication number: 20110222892Abstract: A density sensor detects a density of a subject according to a variation in received light. The density sensor comprises a base plate, a light emitting element irradiating a subject with light, the light receiving element receiving light reflected by the subject, lead terminals connected at one end with bottoms of the light emitting and receiving elements, respectively, and electrically connected at the other end with the base plate, and a package containing the light emitting and receiving elements and supported by the base plate, wherein at least one of the lead terminals is configured to be inclined from a halfway position so as to reflect light from the light emitting element in a direction away from the bottom of the light receiving element.Type: ApplicationFiled: March 14, 2011Publication date: September 15, 2011Applicant: RICOH COMPANY, LTD.Inventors: Masafumi HASHIGUCHI, Tomohide URAZATO, Norifumi YAMAMOTO, Masahiko SATO, Toshio YANATA, Tetsuya HIRATA