Patents by Inventor Takehiro Fujita
Takehiro Fujita 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).
-
Publication number: 20240315244Abstract: An antiviral coating agent includes a tannic acid derivative including at least one organic group having 1 to 18 carbon atoms and a binder resin having a number-average molecular weight of 1,000 or more. The average number of the organic groups included in a molecule of the tannic acid derivative is, for example, 1 to 19.Type: ApplicationFiled: July 1, 2022Publication date: September 26, 2024Applicants: National Institute for Materials Science, DIC CorporationInventors: Masanobu Naito, Takehiro Fujita, Shin-ichi Ohara, Hiroki Kobayashi, Tatsuya Kouyama, Takashi Tamaoka
-
Publication number: 20240311414Abstract: An information processing apparatus includes circuitry to acquire, from a first data group, a second data group related to a person. The first data group includes a plurality of types of data. The circuitry extracts a character string indicating knowledge related to the person from the second data group and determines whether a sharing status of the knowledge is appropriate based on a third data group to obtain a determination result. The third data group is an extraction source of the character string in the second data group. The circuitry outputs information based on the determination result.Type: ApplicationFiled: February 29, 2024Publication date: September 19, 2024Applicant: Ricoh Company, Ltd.Inventor: Takehiro Fujita
-
Publication number: 20240281734Abstract: Terminal used by a user includes a transmitter configured to transmit desire information required for determining a desired facility desired by the user to a server via a telecommunications network. The server includes a destination setting unit configured to set a destination of a vehicle on the basis of the desire information and a facility information acquisition unit configured to acquire, via the telecommunications network, facility information including information indicative of an empty situation of the desired facility. The vehicle includes an arrival time adjustment unit configured to manage a travel of the vehicle on the basis of the facility information to adjust an arrival time at which the vehicle arrives at the destination.Type: ApplicationFiled: May 1, 2024Publication date: August 22, 2024Applicant: Nissan Motor Co., Ltd.Inventors: Shingo Kajiwara, Takehiro Miyoshi, Seigo Watanabe, Kazumasa Fujita, Hiroya Fujimoto
-
Publication number: 20240158574Abstract: A polyetheretherkenote comprising a repeating unit represented by the following formula (1) and a terminal structure represented by the following formula (2):Type: ApplicationFiled: April 27, 2022Publication date: May 16, 2024Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Soshi NAMIKI, Takehiro FUJITA, Hiromu KUMAGAI, Yuko HOSHI
-
Patent number: 11973185Abstract: Provided is a method for producing a sulfide solid electrolyte having a high purity as side reaction hardly occurs, and having a high ionic conductivity, in a simplified manner. The method is for producing a sulfide solid electrolyte containing a lithium atom, a sulfur atom, a phosphorus atom and a halogen atom, comprising separately preparing a complex (1) containing a sulfide that contains a lithium atom, a sulfur atom and a phosphorus atom, as a constituent element, and a complex (2) containing a halide that contains a lithium atom and a halogen atom, as a constituent element, and mixing the complex (1) and the complex (2).Type: GrantFiled: May 6, 2021Date of Patent: April 30, 2024Assignee: Idemitsu Kosan Co., Ltd.Inventors: Naoya Masuda, Atsushi Yao, Akito Takashima, Takehiro Fujita, Yusuke Iseki
-
Publication number: 20240026086Abstract: To provide a material that can be easily ascertained whether antibacterial or antiviral function is imparted. In the polyphenol derivative, hydrogen atoms of some hydroxy groups or some hydrogen atoms of aromatic rings of a polyphenol are substituted by a luminescent group. In the polyphenol derivative, hydrogen atoms of some hydroxy groups or some hydrogen atoms of aromatic rings of a polyphenol may be substituted by a chain hydrocarbon group. The polyphenol derivative may be network polymerized into a polymer material.Type: ApplicationFiled: December 17, 2021Publication date: January 25, 2024Inventors: Ryohei MATSUBARA, Takako YAMAMOTO, Jun HASEGAWA, Masanobu NAITO, Takehiro FUJITA
-
Patent number: 11804974Abstract: An information processing apparatus, a meeting system, and a method. The information processing apparatus registers material to be distributed to a participant of a meeting, controls an output device to output the material, acquires meeting progress information indicating progress of the meeting and additional information added by the participant to the material, and generates meeting result information that indicates meeting result based on the material, the meeting progress information, and the additional information.Type: GrantFiled: August 8, 2022Date of Patent: October 31, 2023Assignee: Ricoh Company, Ltd.Inventor: Takehiro Fujita
-
Publication number: 20230239050Abstract: An optical wavelength multiplexing transmission device includes: a demultiplexer configured to demultiplex a wavelength multiplexing signal for each wavelength band from a multiplexed signal that includes wavelength multiplexing signals in a plurality of the wavelength bands; a processor configured to detect an optical power value of each wavelength multiplexing signal for each wavelength band; calculate a compensation amount used to compensate a tilt of the wavelength multiplexing signal, by using the optical power value and a predetermined calculation expression; and compensate the tilt of the wavelength multiplexing signal, based on the compensation amount; and a multiplexer configured to multiplex each wavelength multiplexing signal compensated by the processor and output the wavelength multiplexing signal to a transmission line.Type: ApplicationFiled: November 3, 2022Publication date: July 27, 2023Applicant: Fujitsu LimitedInventors: Shigeru ISHII, Tatsuya Tsuzuki, Takehiro Fujita, Tomoaki Takeyama
-
Publication number: 20230199350Abstract: An optical switching device including: an input unit to which multichannel light beams are redundantly input; a channel tunable optical filter that confirms, from the received multichannel light beams, whether correct input of a channel for an output destination is included; and an optical switch that outputs, to an optical transfer device which is the output destination, any one of the multichannel light beams that includes the channel which has been correctly input.Type: ApplicationFiled: February 13, 2023Publication date: June 22, 2023Applicant: Fujitsu LimitedInventors: Tatsuya TSUZUKI, Shigeru ISHII, Takehiro FUJITA
-
Publication number: 20230068678Abstract: An information processing apparatus, a meeting system, and a method. The information processing apparatus registers material to be distributed to a participant of a meeting, controls an output device to output the material, acquires meeting progress information indicating progress of the meeting and additional information added by the participant to the material, and generates meeting result information that indicates meeting result based on the material, the meeting progress information, and the additional information.Type: ApplicationFiled: August 8, 2022Publication date: March 2, 2023Applicant: Ricoh Company, Ltd.Inventor: Takehiro Fujita
-
Patent number: 11546627Abstract: High-quality video is provided using a small amount of coded bits. The moving picture decoding method performs inter-frame prediction processing. With the aforementioned inter-frame prediction processing, blocks with similar motion vectors from among the motion vectors in multiple blocks that have already been decoded are combined and a combined area is computed. A predicted vector for a target block to be decoded is computed using the motion vector of the aforementioned combined area, and a motion vector for the aforementioned target block is computed based on the aforementioned predicted vector and a difference vector which is included in a coded stream that is input. A predicted image is generated using the aforementioned motion vector, and a difference image which is included in the aforementioned coded stream and the aforementioned predicted image are added to generate a decoded image.Type: GrantFiled: August 24, 2021Date of Patent: January 3, 2023Assignee: Maxell, Ltd.Inventors: Masashi Takahashi, Muneaki Yamaguchi, Hiroaki Ito, Takehiro Fujita
-
Publication number: 20210385486Abstract: High-quality video is provided using a small amount of coded bits. The moving picture decoding method performs inter-frame prediction processing. With the aforementioned inter-frame prediction processing, blocks with similar motion vectors from among the motion vectors in multiple blocks that have already been decoded are combined and a combined area is computed. A predicted vector for a target block to be decoded is computed using the motion vector of the aforementioned combined area, and a motion vector for the aforementioned target block is computed based on the aforementioned predicted vector and a difference vector which is included in a coded stream that is input. A predicted image is generated using the aforementioned motion vector, and a difference image which is included in the aforementioned coded stream and the aforementioned predicted image are added to generate a decoded image.Type: ApplicationFiled: August 24, 2021Publication date: December 9, 2021Inventors: Masashi TAKAHASHI, Muneaki YAMAGUCHI, Hiroaki ITO, Takehiro FUJITA
-
Publication number: 20210351434Abstract: Provided is a method for producing a sulfide solid electrolyte having a high purity as side reaction hardly occurs, and having a high ionic conductivity, in a simplified manner. The method is for producing a sulfide solid electrolyte containing a lithium atom, a sulfur atom, a phosphorus atom and a halogen atom, comprising separately preparing a complex (1) containing a sulfide that contains a lithium atom, a sulfur atom and a phosphorus atom, as a constituent element, and a complex (2) containing a halide that contains a lithium atom and a halogen atom, as a constituent element, and mixing the complex (1) and the complex (2).Type: ApplicationFiled: May 6, 2021Publication date: November 11, 2021Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Naoya Masuda, Atsushi Yao, Akito Takashima, Takehiro Fujita, Yusuke Iseki
-
Patent number: 11148891Abstract: A sheet conveying device, which is included in an image forming apparatus, includes a pair of rotary bodies configured to convey a sheet and correct a positional deviation of the sheet, a pair of downstream side sheet conveying bodies disposed downstream from the pair of rotary bodies in a sheet conveying direction and configured to convey the sheet, and a detector configured to detect separation of the pair of rotary bodies. The pair of rotary bodies moves the sheet by moving from a home position on a sheet conveyance passage through which the sheet passes. The pair of rotary bodies moves to the home position while the pair of downstream side sheet conveying bodies is conveying the sheet, in response to detection of the separation of the pair of rotary bodies by the detector.Type: GrantFiled: September 25, 2018Date of Patent: October 19, 2021Assignee: RICOH COMPANY, LTD.Inventors: Daisuke Arai, Takehiro Fujita
-
Patent number: 11134263Abstract: High-quality video is provided using a small amount of coded bits. The moving picture decoding method performs inter-frame prediction processing. With the aforementioned inter-frame prediction processing, blocks with similar motion vectors from among the motion vectors in multiple blocks that have already been decoded are combined and a combined area is computed. A predicted vector for a target block to be decoded is computed using the motion vector of the aforementioned combined area, and a motion vector for the aforementioned target block is computed based on the aforementioned predicted vector and a difference vector which is included in a coded stream that is input. A predicted image is generated using the aforementioned motion vector, and a difference image which is included in the aforementioned coded stream and the aforementioned predicted image are added to generate a decoded image.Type: GrantFiled: July 21, 2020Date of Patent: September 28, 2021Assignee: Maxell, Ltd.Inventors: Masashi Takahashi, Muneaki Yamaguchi, Hiroaki Ito, Takehiro Fujita
-
Publication number: 20200351516Abstract: High-quality video is provided using a small amount of coded bits. The moving picture decoding method performs inter-frame prediction processing. With the aforementioned inter-frame prediction processing, blocks with similar motion vectors from among the motion vectors in multiple blocks that have already been decoded are combined and a combined area is computed. A predicted vector for a target block to be decoded is computed using the motion vector of the aforementioned combined area, and a motion vector for the aforementioned target block is computed based on the aforementioned predicted vector and a difference vector which is included in a coded stream that is input. A predicted image is generated using the aforementioned motion vector, and a difference image which is included in the aforementioned coded stream and the aforementioned predicted image are added to generate a decoded image.Type: ApplicationFiled: July 21, 2020Publication date: November 5, 2020Inventors: Masashi TAKAHASHI, Muneaki YAMAGUCHI, Hiroaki ITO, Takehiro FUJITA
-
Patent number: 10764599Abstract: High-quality video is provided using a small amount of coded bits. The moving picture decoding method performs inter-frame prediction processing. With the aforementioned inter-frame prediction processing, blocks with similar motion vectors from among the motion vectors in multiple blocks that have already been decoded are combined and a combined area is computed. A predicted vector for a target block to be decoded is computed using the motion vector of the aforementioned combined area, and a motion vector for the aforementioned target block is computed based on the aforementioned predicted vector and a difference vector which is included in a coded stream that is input. A predicted image is generated using the aforementioned motion vector, and a difference image which is included in the aforementioned coded stream and the aforementioned predicted image are added to generate a decoded image.Type: GrantFiled: June 20, 2019Date of Patent: September 1, 2020Assignee: Maxell, Ltd.Inventors: Masashi Takahashi, Muneaki Yamaguchi, Hiroaki Ito, Takehiro Fujita
-
Patent number: 10541749Abstract: A transmission apparatus includes a demultiplexer configured to demultiplex a multiplexed signal including wavelength multiplexed signals having individual wavelength bands into a wavelength multiplexed signal for each of the wavelength bands, a detector configured to detect a power value of each of the wavelength multiplexed signals for each of the wavelength bands, first compensators configured to compensate for a tilt in the wavelength multiplexed signal based on the power value for each of the wavelength bands, second compensators configured to compensate for a power of the wavelength multiplexed signal for each of the wavelength bands so as to reduce a power difference among wavelength multiplexed signals after the tilt compensation based on the power value for each of the wavelength bands, and a multiplexer configured to multiplex each of the wavelength multiplexed signals after the power compensation and output a multiplexed signal.Type: GrantFiled: March 19, 2019Date of Patent: January 21, 2020Assignee: FUJITSU LIMITEDInventors: Shigeru Ishii, Hiroki Oi, Takehiro Fujita, Tatsuya Tsuzuki
-
Patent number: 10513408Abstract: A sheet conveying device, which is included in an image forming apparatus, includes a pair of rollers configured to convey a sheet in a sheet conveyance passage, a detector configured to optically detect an attitude of the sheet, one of a rotation device to rotate the pair of rollers in a direction parallel to a plane of the sheet and a moving device to move the pair of rollers in a width direction, and a controller configured to correct the attitude of the pair of rollers at a time interval, based on a detection result obtained by the detector. The controller performs the correcting operation by setting, according to reflectance of the sheet, at least one of a light emission time of the detector, the time interval of the correcting operation, light emission intensity of the detector and a conveying speed of the sheet.Type: GrantFiled: June 6, 2018Date of Patent: December 24, 2019Assignee: RICOH COMPANY, LTD.Inventors: Shogo Nakamura, Takehiro Fujita, Tomoki Shimohira
-
Patent number: 10479638Abstract: A series of conveyance paths to convey a recording medium is formed across a printer and a post-processing device in a printing system. The printing system includes: a detection unit that detects that the post-processing device has entered a predetermined state; and a paper feeding control unit that limits the number of recording media fed to the conveyance path, when it is not detected that the post-processing device has entered the predetermined state, based on the number of recording media conveyable to the post-processing device after the post-processing device enters the predetermined state.Type: GrantFiled: October 14, 2015Date of Patent: November 19, 2019Assignee: RICOH COMPANY, LIMITEDInventor: Takehiro Fujita