Patents by Inventor Keisuke Nakazawa
Keisuke Nakazawa 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: 20250116898Abstract: A color filter substrate includes first and second color filters exhibiting different colors and a light blocking portion. The light blocking portion includes a first transmissive film, a first reflective film on an upper layer side of the first transmissive film, a second transmissive film on an upper layer side of the first reflective film, and a second reflective film on an upper layer side of the second transmissive film and being thicker than the first reflective film. The first transmissive film includes a first bottom surface and a first side surface being inclined at a first angle with respect to the first bottom surface. The second reflective film includes a second bottom surface extending parallel to the first bottom surface and a second side surface being inclined at a second angle with respect to the second bottom surface. The first angle and the second angle are acute angles.Type: ApplicationFiled: August 2, 2024Publication date: April 10, 2025Inventors: Makoto NAKAZAWA, Keisuke YOSHIDA
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Publication number: 20250079475Abstract: A separator of an embodiment is a separator of an electrochemical cell stack obtained by stacking a cell including a polymer electrolyte membrane, an anode electrode, and a cathode electrode, and the separator. The separator includes a substrate formed of a metal material, and a corrosion-resistant film formed on a surface on the anode electrode side of the substrate and a surface on the cathode electrode side of the substrate, and formed of crystals of a corrosion-resistant material. An arithmetic average roughness Ra and a maximum height roughness Rz at the surface of the substrate are smaller than a particle size of the crystals.Type: ApplicationFiled: July 10, 2024Publication date: March 6, 2025Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Keisuke NAKAZAWA, Hiromasa KANOME, Kiyoshi IMAI
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Patent number: 10549312Abstract: In one embodiment, a spin coating apparatus includes a coating liquid feeding module to drop a coating liquid onto a substrate, and a motor to rotate the substrate. The module drops a first drop amount of the coating liquid onto the substrate at a first discharge rate, while the motor rotates the substrate at a first number of rotations. The module drops a second drop amount of the coating liquid onto the substrate at a second discharge rate larger than the first discharge rate, while the motor rotates the substrate at a second number of rotations smaller than the first number of rotations, after the first drop amount of the coating liquid is dropped. The module discharges the coating liquid onto the substrate at a third discharge rate smaller than the second discharge rate, after the coating liquid is discharged onto the substrate at the second discharge rate.Type: GrantFiled: February 11, 2016Date of Patent: February 4, 2020Assignee: Toshiba Memory CorporationInventor: Keisuke Nakazawa
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Patent number: 10218874Abstract: An information processing system includes a first information processing device and a second information processing device that operates based on a request received from the first information processing device. The first information processing device includes a processor configured to implement a storage unit that stores a portion of information stored in the second information processing device, and a first communication control unit that transmits a job execution request to the second information processing device based on the stored information. When a communication connection between the first and second information processing devices is not established, the transmission of the job execution request is controlled to transmit the job execution request based on the portion of the information after the communication connection is established. The second information processing device executes a predetermined job based on the job execution request received from the first information processing device.Type: GrantFiled: April 25, 2016Date of Patent: February 26, 2019Assignee: Ricoh Company, Ltd.Inventors: Akiko Kitayama, Yuto Shibata, Keisuke Nakazawa
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Publication number: 20180063367Abstract: An information processing system includes a first information processing device and a second information processing device that operates based on a request received from the first information processing device. The first information processing device includes a processor configured to implement a storage unit that stores a portion of information stored in the second information processing device, and a first communication control unit that transmits a job execution request to the second information processing device based on the stored information. When a communication connection between the first and second information processing devices is not established, the transmission of the job execution request is controlled to transmit the job execution request based on the portion of the information after the communication connection is established. The second information processing device executes a predetermined job based on the job execution request received from the first information processing device.Type: ApplicationFiled: April 25, 2016Publication date: March 1, 2018Applicant: Ricoh Company, Ltd.Inventors: Akiko KITAYAMA, Yuto SHIBATA, Keisuke NAKAZAWA
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Patent number: 9793111Abstract: A spin coating method according to an embodiment includes forming a first material film on an underlying material. The underlying material is rotated while a solution of a second material film is supplied onto an upper surface of the first material film to make the solution stay on the upper surface of the first material film. Rotating of the underlying material is stopped or a rotational speed of the underlying material is reduced to 10 rpm or less. The underlying material is rotated after a first period elapses after the stopping of the rotating of the underlying material, or the rotational speed of the underlying material is increased after the first period elapses after the reducing of the rotational speed of the underlying material to spin off the solution from the upper surface of the first material film.Type: GrantFiled: March 10, 2016Date of Patent: October 17, 2017Assignee: Toshiba Memory CorporationInventor: Keisuke Nakazawa
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Patent number: 9765783Abstract: A gas compressor comprising a compressor main body including an approximately cylindrical rotor, a cylinder, a plurality of plate-like vanes formed to abut on the inner circumferential surface of the cylinder, and two side blocks is disclosed. A plurality of compression rooms is arranged inside the compressor main body so as to compress a medium and discharge the compressed high-pressure medium. A back-pressure-supplying groove supplies the back-pressure so as to project the vane toward the inner circumferential surface of the cylinder is arranged. An outer circumferential edge portion of the back-pressure-supplying groove is formed so as to increase a distance from a rotational center of the rotor toward the front side in the rotational direction of the rotor. A sectional surface area of a communication portion between the vane groove and the back-pressure-supplying groove increases until they are separated according to the rotation of the rotor.Type: GrantFiled: March 16, 2015Date of Patent: September 19, 2017Assignee: Calsonic Kansei CorporationInventors: Eiki Yanagawa, Keisuke Nakazawa
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Publication number: 20170163826Abstract: An information processing apparatus includes circuitry configured to: acquire process history data indicating a setting of one or more setting items, as a history of process executed based on the setting of the one or more setting items that are set on a setting screen in which one or more display parts to enable setting of the one or more setting items are arranged; calculate a use frequency of each of the one or more setting items based on the acquired process history data; and display a setting screen in which the one or more display parts are rearranged based on the use frequency of each of the one or more setting items, on a display.Type: ApplicationFiled: December 5, 2016Publication date: June 8, 2017Applicant: Ricoh Company, Ltd.Inventors: Keisuke Nakazawa, Miki Hashimoto, Hiroya Uruta, Yuto Shibata, Tomoki Shibukawa
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Patent number: 9628665Abstract: An information processing system includes a first information processing apparatus and a second information processing apparatus. The first information processing apparatus includes an acquisition part creating a first information request, a first transmitter transmitting the first information request to the second information processing apparatus, a first receiver receiving the first information from the second information processing apparatus, a display controller controlling displaying the first information, and a first storage storing second information, the display controller controlling displaying the second information when the second information is stored in the first storage.Type: GrantFiled: November 16, 2015Date of Patent: April 18, 2017Assignee: Ricoh Company, Ltd.Inventors: Daisuke Okada, Hiroya Uruta, Yuka Saito, Akiko Kitayama, Yuto Shibata, Chan Gu, Keisuke Nakazawa
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Publication number: 20170076941Abstract: A spin coating method according to an embodiment includes forming a first material film on an underlying material. The underlying material is rotated while a solution of a second material film is supplied onto an upper surface of the first material film to make the solution stay on the upper surface of the first material film. Rotating of the underlying material is stopped or a rotational speed of the underlying material is reduced to 10 rpm or less. The underlying material is rotated after a first period elapses after the stopping of the rotating of the underlying material, or the rotational speed of the underlying material is increased after the first period elapses after the reducing of the rotational speed of the underlying material to spin off the solution from the upper surface of the first material film.Type: ApplicationFiled: March 10, 2016Publication date: March 16, 2017Inventor: Keisuke NAKAZAWA
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Patent number: 9556872Abstract: A gas compressor comprises a rotor having vane grooves, a cylinder shaped to surround an outer circumference of the rotor, vanes plate-shaped, slidably inserted into the vane grooves, and abuttable at one ends on the inner circumference of the cylinder, upon receiving a back pressure from the vane grooves, two side blocks to enclose both ends of the rotor and the cylinder, respectively, compression chambers supplied with a medium to compress the medium to a high-pressure medium for discharge, an oil separator to separate, from the discharged high-pressure medium, oil to be used as the back pressure, an oil path through which the oil at a certain pressure is supplied to the vane grooves, and a high-pressure supply hole formed in at least one of the side blocks, including a small diameter portion and a large diameter portion integrally formed.Type: GrantFiled: February 18, 2015Date of Patent: January 31, 2017Assignee: Calsonic Kansei CorporationInventors: Keisuke Nakazawa, Eiki Yanagawa
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Publication number: 20160276291Abstract: According to one embodiment, a semiconductor device includes: a semiconductor substrate; and an insulating film provided above the semiconductor substrate. The insulating film includes: a plurality of first particles having a periodic structure; a plurality of second particles provided between the plurality of first particles and having an average particle outline size smaller than an average particle outline size of the plurality of first particles; and a filler provided between at least one of the plurality of first particles and the plurality of second particles.Type: ApplicationFiled: September 3, 2015Publication date: September 22, 2016Inventor: Keisuke NAKAZAWA
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Patent number: 9437476Abstract: In one embodiment, a method of manufacturing a semiconductor device includes forming a pattern portion and a flat portion on a substrate, the pattern portion including plural patterns, and the flat portion having a flat surface at a position lower than upper surfaces of the patterns. The method further includes transferring a first film on the substrate to continuously form the first film on the upper surfaces of the patterns and on the flat surface of the flat portion and to form a first air gap between the patterns.Type: GrantFiled: July 8, 2014Date of Patent: September 6, 2016Assignee: Kabushiki Kaisha ToshibaInventors: Keisuke Nakazawa, Ichiro Mizushima, Shinichi Nakao
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Patent number: 9431291Abstract: According to an embodiment, a method for manufacturing a semiconductor device includes transferring a continuous second layer, forming a third layer, and removing the second layer. The second layer is transferred onto a first layer. The first layer has a first opening. The second layer covers the first opening to form a first air gap. The third layer is formed on the first layer. The third layer has a second opening. The second opening is positioned on the first air gap. The second layer is removed through the second opening.Type: GrantFiled: April 22, 2015Date of Patent: August 30, 2016Assignee: Kabushiki Kaisha ToshibaInventor: Keisuke Nakazawa
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Publication number: 20160158795Abstract: In one embodiment, a spin coating apparatus includes a coating liquid feeding module to drop a coating liquid onto a substrate, and a motor to rotate the substrate. The module drops a first drop amount of the coating liquid onto the substrate at a first discharge rate, while the motor rotates the substrate at a first number of rotations. The module drops a second drop amount of the coating liquid onto the substrate at a second discharge rate larger than the first discharge rate, while the motor rotates the substrate at a second number of rotations smaller than the first number of rotations, after the first drop amount of the coating liquid is dropped. The module discharges the coating liquid onto the substrate at a third discharge rate smaller than the second discharge rate, after the coating liquid is discharged onto the substrate at the second discharge rate.Type: ApplicationFiled: February 11, 2016Publication date: June 9, 2016Inventor: Keisuke Nakazawa
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Publication number: 20160155093Abstract: A main body of the image forming apparatus includes a first user-information storage unit configured to store user information. An information processing terminal includes: a data processing unit configured to acquire attendance information; a user-information processing unit configured to acquire, from the main body of the image forming apparatus, user information of a user who has clocked in determined based on the attendance information and acquire user information read in by the reader from the user-information recording medium for user authentication; and, a second user-information storage unit configured to store the user information of the user who has clocked in. The user-information processing unit being configured to perform user authentication by using the user information stored by the second user-information storage unit and the user information read in by the reader from the user-information recording medium for user authentication.Type: ApplicationFiled: December 1, 2015Publication date: June 2, 2016Applicant: Ricoh Company, LimitedInventors: Yuto SHIBATA, Daisuke OKADA, Chan GU, Keisuke NAKAZAWA, Hiroya URUTA, Akiko KITAYAMA, Yuka SAITO
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Publication number: 20160150123Abstract: An information processing system includes a first information processing apparatus and a second information processing apparatus. The first information processing apparatus includes an acquisition part creating a first information request, a first transmitter transmitting the first information request to the second information processing apparatus, a first receiver receiving the first information from the second information processing apparatus, a display controller controlling displaying the first information, and a first storage storing second information, the display controller controlling displaying the second information when the second information is stored in the first storage.Type: ApplicationFiled: November 16, 2015Publication date: May 26, 2016Applicant: Ricoh Company, Ltd.Inventors: Daisuke OKADA, Hiroya URUTA, Yuka SAITO, Akiko KITAYAMA, Yuto SHIBATA, Chan GU, Keisuke NAKAZAWA
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Patent number: 9278373Abstract: In one embodiment, a spin coating apparatus includes a coating liquid feeding module to drop a coating liquid onto a substrate, and a motor to rotate the substrate. The module drops a first drop amount of the coating liquid onto the substrate at a first discharge rate, while the motor rotates the substrate at a first number of rotations. The module drops a second drop amount of the coating liquid onto the substrate at a second discharge rate larger than the first discharge rate, while the motor rotates the substrate at a second number of rotations smaller than the first number of rotations, after the first drop amount of the coating liquid is dropped. The module discharges the coating liquid onto the substrate at a third discharge rate smaller than the second discharge rate, after the coating liquid is discharged onto the substrate at the second discharge rate.Type: GrantFiled: September 4, 2013Date of Patent: March 8, 2016Assignee: Kabushiki Kaisha ToshibaInventor: Keisuke Nakazawa
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Publication number: 20160064272Abstract: According to an embodiment, a method for manufacturing a semiconductor device includes transferring a continuous second layer, forming a third layer, and removing the second layer. The second layer is transferred onto a first layer. The first layer has a first opening. The second layer covers the first opening to form a first air gap. The third layer is formed on the first layer. The third layer has a second opening. The second opening is positioned on the first air gap. The second layer is removed through the second opening.Type: ApplicationFiled: April 22, 2015Publication date: March 3, 2016Inventor: Keisuke NAKAZAWA
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Publication number: 20150267703Abstract: A gas compressor comprising a compressor main body including an approximately cylindrical rotor, a cylinder, a plurality of plate-like vanes formed to abut on the inner circumferential surface of the cylinder, and two side blocks is disclosed. A plurality of compression rooms is arranged inside the compressor main body so as to compress a medium and discharge the compressed high-pressure medium. A back-pressure-supplying groove supplies the back-pressure so as to project the vane toward the inner circumferential surface of the cylinder is arranged. An outer circumferential edge portion of the back-pressure-supplying groove is formed so as to increase a distance from a rotational center of the rotor toward the front side in the rotational direction of the rotor. A sectional surface area of a communication portion between the vane groove and the back-pressure-supplying groove increases until they are separated according to the rotation of the rotor.Type: ApplicationFiled: March 16, 2015Publication date: September 24, 2015Inventors: Eiki Yanagawa, Keisuke Nakazawa