Patents by Inventor Akihiro Kawamura
Akihiro Kawamura 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: 11927904Abstract: Provided is an electrophotographic belt of an endless shape including a substrate, wherein the substrate contains a polyimide resin and carbon nanotubes, wherein a content of the carbon nanotubes in the substrate is 15 vol % or less with respect to a total volume of the polyimide resin, wherein the substrate has a tensile strength of 200 MPa or more in each of a peripheral direction thereof and a direction perpendicular to the peripheral direction, and wherein the substrate has a thermal conductivity of 0.9 W/(m·K) or more in a thickness direction thereof.Type: GrantFiled: June 9, 2022Date of Patent: March 12, 2024Assignee: Canon Kabushiki KaishaInventors: Akeshi Asaka, Taiki Watanabe, Yuma Kobayashi, Hidetaka Kawamura, Satoru Nishiuma, Akihiro Taya, Ryunosuke Kawahara
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Patent number: 10628696Abstract: An imaging device includes a reflection polarization prism having an incident surface on which illumination light emitted from a light emitter is incident and a transmission surface that passes the illumination light entered the incident surface through one surface of a light-transmitting member, an imager including an image sensor having a first light-receiving portion that receives light from a predetermined imaging area transmitting the light-transmitting member and a second light-receiving portion adjacent to the first light-receiving portion that receives the illumination light reflected on an opposite surface to the one surface of the light-transmitting member, and an optical member that emits the light introduced from the predetermined imaging area to the first light-receiving portion and emits the illumination light reflected on the opposite surface of the light-transmitting member to the second light-receiving portion.Type: GrantFiled: November 20, 2015Date of Patent: April 21, 2020Assignee: Ricoh Company, Ltd.Inventors: Izumi Itoh, Akihiro Kawamura, Ken Shirasaki, Kenichi Ishizuka, Kenya Fujiwara, Hiroyuki Satoh, Shusaku Takasu
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Publication number: 20200048485Abstract: Provided is an ink-jet ink set, including: a pigment; a binder resin; a dispersant; and a solvent, wherein the pigment includes, as a yellow colorant, at least any one selected from the group consisting of C.I. Pigment Brown 24, metal-coated C.I. Pigment Yellow 42, and C.I. Pigment Yellows 48, 53, 119, 161, and 189.Type: ApplicationFiled: November 7, 2017Publication date: February 13, 2020Applicant: SEIREN CO., LTD.Inventor: Akihiro Kawamura
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Publication number: 20190375226Abstract: A printed matter comprising a substrate and an ink jet image layer formed on the substrate, in which the ink jet image layer comprises a coloring material and a fluorine resin.Type: ApplicationFiled: February 13, 2018Publication date: December 12, 2019Applicant: SEIREN CO., LTD.Inventor: Akihiro KAWAMURA
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Publication number: 20190177562Abstract: An ink comprising a fluorine resin and a solvent having a solubility parameter value (SP vale) of 7 to 11, wherein the fluorine resin having a solubility of 500 (g/L) or more in diethylene glycol diethyl ether and an hydroxyl value of 20 to 100 mg KOH/g, wherein the fluorine resin is contained in the ink in an amount of 40% by mass or less, wherein an amount of the solvent in the ink is 50% by mass or more, wherein the solvent comprises at least one glycol methyl ether acetate selected from the group consisting of diethylene glycol diethyl ether, diethylene glycol dimethyl ether, diethylene glycol isopropyl methyl ether, tripropylene glycol dimethyl ether, diethylene glycol butyl methyl ether, propylene glycol monophenyl ether, tetraethylene glycol dimethyl ether, propylene glycol monomethyl ether and ethylene glycol monobenzyl ether, or at least one acetate solvent selected from the group consisting of propylene glycol diacetate, dipropylene glycol methyl ether acetate and 1,6-hexanediol diacetate, and whereType: ApplicationFiled: August 2, 2017Publication date: June 13, 2019Applicant: Seiren Co., Ltd.Inventor: Akihiro KAWAMURA
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Patent number: 10065625Abstract: An ECU is applied to a hybrid vehicle that is equipped with an internal combustion engine and a second motor-generator, which are configured to output a driving force for running. The hybrid vehicle is configured to run with the internal combustion engine in intermittent operation. Also, the ECU is configured to calculate an amount of dilution water that is mixed into oil in the internal combustion engine to dilute the oil. The ECU is configured to operate the internal combustion engine when the amount of the dilution water becomes larger than a first threshold.Type: GrantFiled: July 1, 2016Date of Patent: September 4, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Akihiro Kawamura, Shinji Matsuo, Chikara Inoue, Yukinori Ohta
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Publication number: 20180132714Abstract: The present invention is directed to an apparatus for identifying the rate of frequency at which a person perceives distinct visual images or sounds. The device, product and method comprise means for presenting the image(s) or sounds, means for selecting the distinct image(s) or sounds, means for selecting an instance number, presenting the image or sound in an amount equal to the instance number, the distinct image being displayed on a screen, the sound being presented via a speaker, at a first frequency rate at which frequency the person in unable to perceive the correct number of images or sounds, means for decreasing the frequency rate presentation of the distinct image or sound to a second frequency rate, the second frequency rate being the frequency at which the person is able to perceive individual occurrences of the image or sound in an amount equal to the instance number, and capturing the value of the second display frequency.Type: ApplicationFiled: November 16, 2016Publication date: May 17, 2018Inventors: Akihiro Kawamura, Jeffrey C. Flamm
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Publication number: 20170270381Abstract: An imaging device includes a reflection polarization prism having an incident surface on which illumination light emitted from a light emitter is incident and a transmission surface that passes the illumination light entered the incident surface through one surface of a light-transmitting member, an imager including an image sensor having a first light-receiving portion that receives light from a predetermined imaging area transmitting the light-transmitting member and a second light-receiving portion adjacent to the first light-receiving portion that receives the illumination light reflected on an opposite surface to the one surface of the light-transmitting member, and an optical member that emits the light introduced from the predetermined imaging area to the first light-receiving portion and emits the illumination light reflected on the opposite surface of the light-transmitting member to the second light-receiving portion.Type: ApplicationFiled: November 20, 2015Publication date: September 21, 2017Applicant: RICOH COMPANY, LTD.Inventors: Izumi ITOH, Akihiro KAWAMURA, Ken SHIRASAKI, Kenichi ISHIZUKA, Kenya FUJIWARA, Hiroyuki SATOH, Shusaku TAKASU
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Patent number: 9546255Abstract: To obtain a decorative film for insert molding, which is decorated by an ultraviolet curing ink-jet ink, and which exhibits excellent flexibility upon insert molding. A decorative film for insert molding, having on a film substrate a decorative layer formed from an ultraviolet curing ink-jet ink, wherein the elongation of the decorative film for insert molding is 150% or more under conditions at 180° C. and 50% or more under conditions at 25° C.Type: GrantFiled: March 3, 2014Date of Patent: January 17, 2017Assignee: SEIREN CO., LTD.Inventor: Akihiro Kawamura
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Publication number: 20170009684Abstract: An ECU is applied to a hybrid vehicle that is equipped with an internal combustion engine and a second motor-generator, which are configured to output a driving force for running. The hybrid vehicle is configured to run with the internal combustion engine in intermittent operation. Also, the ECU is configured to calculate an amount of dilution water that is mixed into oil in the internal combustion engine to dilute the oil. The ECU is configured to operate the internal combustion engine when the amount of the dilution water becomes larger than a first threshold.Type: ApplicationFiled: July 1, 2016Publication date: January 12, 2017Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Akihiro KAWAMURA, Shinji MATSUO, Chikara INOUE, Yukinori OHTA
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Publication number: 20160046777Abstract: To obtain a decorative film for insert molding, which is decorated by an ultraviolet curing ink-jet ink, and which exhibits excellent flexibility upon insert molding. A decorative film for insert molding, having on a film substrate a decorative layer formed from an ultraviolet curing ink-jet ink, wherein the elongation of the decorative film for insert molding is 150% or more under conditions at 180° C. and 50% or more under conditions at 25° C.Type: ApplicationFiled: March 3, 2014Publication date: February 18, 2016Inventor: Akihiro KAWAMURA
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Publication number: 20070126496Abstract: A semiconductor integrated circuit is provided with a signal processing circuit which operates based on a first reference voltage and processes a voice signal, an output amplifier which amplifiers the voice signal, and a pair of BTL output-type output amplifiers which operates based on a second voltage, amplifies the voice signal, and supplies the amplified signal to a speaker. And further, the integrated circuit is provided with a voltage comparator which compares the second reference voltage and a predetermined voltage and a precharging circuit which makes the first reference voltage rapidly reach a stable voltage for a time period during which the second reference voltage reaches the predetermined voltage based on the comparison results from the voltage comparator.Type: ApplicationFiled: November 29, 2006Publication date: June 7, 2007Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Akihiro Kawamura, Keiichi Fujii
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Publication number: 20050047615Abstract: To provide an audio signal amplifier and an audio apparatus having the same that automatically set the output level to an optimum level depending on power supply voltage and so on.Type: ApplicationFiled: August 23, 2004Publication date: March 3, 2005Inventors: Akihiro Kawamura, Keiichi Fujii, Junko Hirose
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Patent number: 6764311Abstract: A training/managing system and method of basic ability which enables objective and efficient management for improving the basic ability of persons by training toward some kind of target. The training/managing system of basic ability 1 is provided with training terminals 3-1 to 3-n for measuring/training ability to read characters of an employee to be trained, and a management device 4 which are connected to an information communicating network 2. The management device 4 is equipped with a data management server 5 for storing measured data in time-series; performing a predetermined arithmetical operation; and deriving management data, and a management terminal 7 for presenting the management data for a business administrator.Type: GrantFiled: August 29, 2001Date of Patent: July 20, 2004Inventor: Akihiro Kawamura
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Patent number: 6522863Abstract: A multiple listening training device which is novel and suitable for a training simultaneous listening to a plurality of audio exercises or video/audio exercises. In the multiple listening training device, a plurality of audio exercises, the contents of which are different from each other, are prepared and stored as sound data. The device plays back via an audio playback device one turn of audio material comprising a first part playing back simultaneously k pieces of audio exercises, a second part playing back simultaneously m pieces of audio exercises and a third part playing back simultaneously n pieces of audio exercises and the first part, the second part and the third part being arranged by time series. Wherein, k, m, n are integers not less than 1 and k<n<m.Type: GrantFiled: May 18, 2001Date of Patent: February 18, 2003Inventor: Akihiro Kawamura
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Patent number: 6409513Abstract: A system which utilizes a series of computer controlled exercises designed to strengthen eye muscles to reduce eye fatigue, to increase overall reading speed by performing variable reading speed exercises, and to enhance an eye-brain connection to improve reading comprehension and maintain the speed reading and comprehension skills. A specific variable reading rate process has the reader read at a first rate, then increase to a second rate, and finally decrease to a third reading rate that is faster than the first rate, and slower than the second rate. Eye-brain connection enhancement exercises include following objects moving in specific patterns across a computer screen, expanding peripheral vision by watching and following the outline of expanding objects, rapidly solving maze puzzles, sequentially locating a series of numbers on a single display screen, and two-point horizontal and vertical scanning.Type: GrantFiled: March 22, 2000Date of Patent: June 25, 2002Assignee: Infinite Mind, L.C.Inventors: Akihiro Kawamura, Jeffrey C. Flamm
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Publication number: 20020061507Abstract: A training/managing system and method of basic ability which enables objective and efficient management for improving the basic ability of persons by training toward some kind of target. The training/managing system of basic ability 1 is provided with training terminals 3-1 to 3-n for measuring/training ability to read characters of an employee to be trained, and a management device 4 which are connected to an information communicating network 2. The management device 4 is equipped with a data management server 5 for storing measured data in time-series; performing a predetermined arithmetical operation; and deriving management data, and a management terminal 7 for presenting the management data for a business administrator.Type: ApplicationFiled: August 29, 2001Publication date: May 23, 2002Inventor: Akihiro Kawamura
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Publication number: 20020051961Abstract: A device, system and method for providing information on an exercise, which is surmised to be possibly overcome by a user, from among a plurality of exercises requiring the user to deal with characters within a time predetermined individually. In an information providing system 1, a storage unit 3 stores data of the number of characters contained in sentences of examination questions for an examination as an exercise 5, a measuring unit 7 measures an ability to read characters of a user 2. On the basis of a result of the measurement, a retrieval unit 9 retrieves data of the examination such that the user can read through within the time which can be allocated for reading during the predetermined examination time. A result of the retrieval is output to the display unit 13 as an output unit 11 and an examination name is presented to the user 2. The user 2 can obtain information on the examination, which is surmised to be possibly passed, from among a large number of examinations.Type: ApplicationFiled: September 27, 2001Publication date: May 2, 2002Inventor: Akihiro Kawamura
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Publication number: 20020009700Abstract: A multiple listening training device which is novel and suitable for a training simultaneous listening to a plurality of audio exercises or video/audio exercises. In the multiple listening training device, a plurality of audio exercises, the contents of which are different from each other, are prepared and stored as sound data. The device plays back via an audio playback device one turn of audio material comprising a first part playing back simultaneously k pieces of audio exercises, a second part playing back simultaneously m pieces of audio exercises and a third part playing back simultaneously n pieces of audio exercises and the first part, the second part and the third part being arranged by time series. Wherein, k, m, n are integers not less than 1 and k<n<m.Type: ApplicationFiled: May 18, 2001Publication date: January 24, 2002Inventor: Akihiro Kawamura
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Patent number: 5595956Abstract: TTP dye sheets having a dye coat comprising a binder which comprises a mixture of a polyvinyl butyral polymer and a second polymer, at least 10% of the monomeric units of the second polymer being derived from parahydroxystyrene, the phenyl group of which may or may not be further substituted, are disclosed.Type: GrantFiled: May 3, 1995Date of Patent: January 21, 1997Inventors: Andrew T. Slark, David W. Jarvis, Akihiro Kawamura