Patents by Inventor Satoshi Yamakawa
Satoshi Yamakawa 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: 10708355Abstract: A storage node administration device enables setting a logical capacity of a storage region based on an I/O performance value of a storage node. In a distributed data storage system, the storage node administration device includes a setting unit setting at least one reference node from a plurality of storage nodes having different I/O performances, dividing a storage region of the storage nodes other than the reference node into a first storage region and a second storage region, referring to the I/O performance and the logical capacity of the reference node, and setting the logical capacity of each region to match the I/O performance of the storage nodes other than the reference node; a determination unit determining system configuration information which reflects a configuration change of the distributed data storage system; and a transmission unit transmitting the system configuration information to the storage nodes having different I/O performances.Type: GrantFiled: May 15, 2014Date of Patent: July 7, 2020Assignee: NEC CORPORATIONInventor: Satoshi Yamakawa
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Patent number: 10662634Abstract: The bowl portion of the flush toilet includes a bowl-shaped waste receiving surface and a rim portion formed on a top edge of the bowl portion. The rim portion includes a rim inside wall portion located on an inner side of the top edge of the bowl portion. The rim inside wall portion has a rim inside surface located at a lower area of the rim inside wall portion and a rim inside wall upper sloped surface having a section in a vertical plane, the shape of the section being sloped from an upper edge of the rim inside surface to an upper edge of the rim inside wall portion. The ratio between the height of the rim inside surface and the height of the rim inside wall upper sloped surface is 1:1 to 6:1 in a section in a vertical plane at any area other than a rear area.Type: GrantFiled: February 8, 2017Date of Patent: May 26, 2020Assignee: TOTO LTD.Inventors: Shu Kashirajima, Masaki Kitamura, Satoshi Yamakawa, Kazuyoshi Mizoguchi
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Patent number: 10619337Abstract: The bowl portion of the flush toilet includes a bowl-shaped waste receiving surface and a rim portion formed on a top edge of the bowl portion. The rim portion includes a rim inside wall portion located on an inner side of the top edge of the bowl portion. The rim inside wall portion has a rim inside surface located at a lower area of the rim inside wall portion and a rim inside wall upper sloped surface having a section in a vertical plane, the shape of the section being sloped from an upper edge of the rim inside surface to an upper edge of the rim inside wall portion. The ratio between the height of the rim inside surface and the height of the rim inside wall upper sloped surface is 1:1 to 6:1 in a section in a vertical plane at any area other than a rear area.Type: GrantFiled: February 8, 2017Date of Patent: April 14, 2020Assignee: TOTO LTD.Inventors: Shu Kashirajima, Masaki Kitamura, Satoshi Yamakawa, Kazuyoshi Mizoguchi
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Patent number: 10301809Abstract: A flush toilet having a bowl portion including a bowl-shaped waste receiving surface and a rim portion wherein the rim portion includes a rim top inside corner portion, and a rim top outside corner portion, and in at least part of the entire perimeter of the rim portion, the rounding of the rim top inside corner portion is formed to be larger than the rounding of the rim top outside corner portion. This rim profile enables the rim portion top surface, the rim top inside corner portion, and the inside wall can be efficiently cleaned.Type: GrantFiled: September 28, 2015Date of Patent: May 28, 2019Assignee: TOTO LTD.Inventors: Masaki Kitamura, Satoshi Yamakawa, Kazuyoshi Mizoguchi, Shu Kashirajima
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Patent number: 10077547Abstract: A flush toilet wherein the rim inside wall portion comprises a rim inside wall upper sloped surface, and an improvement in user visibility and user rim portion cleanability is sought, flush water can be constrained from splashing outside the bowl portion by traveling by centrifugal force along the rim inside wall upper sloped surface from the inside surface formed at a relatively low height. The rim portion of the flush toilet of the invention includes a rim inside wall portion; the rim inside wall portion comprises a rim inside wall upper sloped surface, and an inside surface vertically extending straight up to the rim inside wall upper sloped surface; and the water supply apparatus comprises a constant flow rate valve for spouting a predetermined constant flow rate of flush water from the water spouting portion.Type: GrantFiled: June 8, 2017Date of Patent: September 18, 2018Assignee: TOTO LTD.Inventors: Shu Kashirajima, Kyoji Asada, Satoshi Yamakawa, Kazuyoshi Mizoguchi, Masaki Kitamura
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Publication number: 20180239646Abstract: In a distributed processing system it is difficult to use resources efficiently without underutilization of resources.Type: ApplicationFiled: December 10, 2015Publication date: August 23, 2018Applicant: NEC CorporationInventor: Satoshi YAMAKAWA
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Patent number: 9870402Abstract: A distributed storage device according to the present invention includes: a plurality of storage nodes, the plurality of storage nodes includes: a data storage unit that accumulates stream data output from a device; a first time frame generation unit that generates a time frame synchronized with another storage node and associates a data element included in stream data accumulated in the data storage unit with one of time frames; a data selection unit that selects a data element associated with a predetermined time frame from the stream data accumulated in the data storage unit, based on an access request from a client terminal; and a data transmission unit that transmits a data element selected by the data selection unit to the client terminal.Type: GrantFiled: September 27, 2013Date of Patent: January 16, 2018Assignee: NEC CORPORATIONInventors: Dai Kobayashi, Satoshi Yamakawa
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Patent number: 9850646Abstract: A flush toilet includes: a bowl portion; a rim portion disposed on a top edge of the bowl portion; a spout portion for spouting flush water supplied from the water supply source to the bowl portion to form a circulating current; a discharge passage for discharging waste in the bowl portion, an inlet portion of the discharge passage being connected at the bottom of the bowl portion; a sanitary washing device disposed at a rear of the bowl portion, the sanitary washing device including a nozzle for spraying flush water toward a user positioned over the bowl portion; and a skirt portion disposed to respectively cover sides of both the bowl portion and the discharge passage.Type: GrantFiled: November 2, 2016Date of Patent: December 26, 2017Assignee: TOTO LTD.Inventors: Kazuyoshi Mizoguchi, Satoshi Yamakawa, Masaki Kitamura, Shu Kashirajima
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Publication number: 20170275862Abstract: A flush toilet wherein the rim inside wall portion comprises a rim inside wall upper sloped surface, and an improvement in user visibility and user rim portion cleanability is sought, flush water can be constrained from splashing outside the bowl portion by traveling by centrifugal force along the rim inside wall upper sloped surface from the inside surface formed at a relatively low height. The rim portion of the flush toilet of the invention includes a rim inside wall portion; the rim inside wall portion comprises a rim inside wall upper sloped surface, and an inside surface vertically extending straight up to the rim inside wall upper sloped surface; and the water supply apparatus comprises a constant flow rate valve for spouting a predetermined constant flow rate of flush water from the water spouting portion.Type: ApplicationFiled: June 8, 2017Publication date: September 28, 2017Applicant: TOTO LTD.Inventors: Shu KASHIRAJIMA, Kyoji ASADA, Satoshi YAMAKAWA, Kazuyoshi MIZOGUCHI, Masaki KITAMURA
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Publication number: 20170226725Abstract: The bowl portion of the flush toilet includes a bowl-shaped waste receiving surface and a rim portion formed on a top edge of the bowl portion. The rim portion includes a rim inside wall portion located on an inner side of the top edge of the bowl portion. The rim inside wall portion has a rim inside surface located at a lower area of the rim inside wall portion and a rim inside wall upper sloped surface having a section in a vertical plane, the shape of the section being sloped from an upper edge of the rim inside surface to an upper edge of the rim inside wall portion. The ratio between the height of the rim inside surface and the height of the rim inside wall upper sloped surface is 1:1 to 6:1 in a section in a vertical plane at any area other than a rear area.Type: ApplicationFiled: February 8, 2017Publication date: August 10, 2017Applicant: TOTO LTD.Inventors: Shu KASHIRAJIMA, Masaki KITAMURA, Satoshi YAMAKAWA, Kazuyoshi MIZOGUCHI
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Patent number: 9702135Abstract: A flush toilet wherein the rim inside wall portion comprises a rim inside wall upper sloped surface, and an improvement in user visibility and user rim portion cleanability is sought, flush water can be constrained from splashing outside the bowl portion by traveling by centrifugal force along the rim inside wall upper sloped surface from the inside surface formed at a relatively low height. The rim portion of the flush toilet of the invention includes a rim inside wall portion; the rim inside wall portion comprises a rim inside wall upper sloped surface, and an inside surface vertically extending straight up to the rim inside wall upper sloped surface; and the water supply apparatus comprises a constant flow rate valve for spouting a predetermined constant flow rate of flush water from the water spouting portion.Type: GrantFiled: March 12, 2016Date of Patent: July 11, 2017Assignee: TOTO LTD.Inventors: Shu Kashirajima, Kyoji Asada, Satoshi Yamakawa, Kazuyoshi Mizoguchi, Masaki Kitamura
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Publication number: 20170138034Abstract: A flush toilet includes: a bowl portion; a rim portion disposed on a top edge of the bowl portion; a spout portion for spouting flush water supplied from the water supply source to the bowl portion to form a circulating current; a discharge passage for discharging waste in the bowl portion, an inlet portion of the discharge passage being connected at the bottom of the bowl portion; a sanitary washing device disposed at a rear of the bowl portion, the sanitary washing device including a nozzle for spraying flush water toward a user positioned over the bowl portion; and a skirt portion disposed to respectively cover sides of both the bowl portion and the discharge passage.Type: ApplicationFiled: November 2, 2016Publication date: May 18, 2017Inventors: Kazuyoshi MIZOGUCHI, Satoshi YAMAKAWA, Masaki KITAMURA, Shu KASHIRAJIMA
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Patent number: 9650776Abstract: A flush toilet wherein at least a portion of the exterior part of an exterior member installed on a rim portion can be easily installed and registered at the height of the rim outer wall upper sloped surface, and seen from the toilet lateral direction, the border between at least a part of the exterior part of the exterior member and the rim outer wall upper sloped surface appears as a single aligned straight line, imparting an aesthetic impression to the user. The rim portion of the flush toilet of the invention includes a rim outer wall upper sloped surface being positioned in an outside of an upper region of the rim outer wall portion, and at least a portion of the exterior part is disposed at the height of the rim outer wall upper sloped surface.Type: GrantFiled: March 12, 2016Date of Patent: May 16, 2017Assignee: TOTO LTD.Inventors: Shu Kashirajima, Masaki Kitamura, Satoshi Yamakawa, Kazuyoshi Mizoguchi
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Publication number: 20160308965Abstract: A storage node administration device enables setting a logical capacity of a storage region based on an I/O performance value of a storage node. In a distributed data storage system, the storage node administration device includes a setting unit setting at least one reference node from a plurality of storage nodes having different I/O performances, dividing a storage region of the storage nodes other than the reference node into a first storage region and a second storage region, referring to the I/O performance and the logical capacity of the reference node, and setting the logical capacity of each region to match the I/O performance of the storage nodes other than the reference node; a determination unit determining system configuration information which reflects a configuration change of the distributed data storage system; and a transmission unit transmitting the system configuration information to the storage nodes having different I/O performances.Type: ApplicationFiled: May 15, 2014Publication date: October 20, 2016Applicant: NEC CORPORATIONInventor: Satoshi YAMAKAWA
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Publication number: 20160273206Abstract: A flush toilet is provided wherein at least a portion of the exterior part of an exterior member installed on a rim portion can be easily installed and registered at the height of the rim outer wall upper sloped surface, and seen from the toilet lateral direction, the border between at least a part of the exterior part of the exterior member and the rim outer wall upper sloped surface appears as a single aligned straight line, imparting an aesthetic impression to the user. The rim portion 46 of the flush toilet 1 of the invention includes a rim outer wall upper sloped surface 56a being positioned in an outside of an upper region of the rim outer wall portion 56, and at least a portion of the exterior part is disposed at the height of the rim outer wall upper sloped surface 56a.Type: ApplicationFiled: March 12, 2016Publication date: September 22, 2016Inventors: Shu KASHIRAJIMA, Masaki KITAMURA, Satoshi YAMAKAWA, Kazuyoshi MIZOGUCHI
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Publication number: 20160273205Abstract: To provide a flush toilet wherein the rim inside wall portion comprises a rim inside wall upper sloped surface, and an improvement in user visibility and user rim portion cleanability is sought, flush water can be constrained from splashing outside the bowl portion by traveling by centrifugal force along the rim inside wall upper sloped surface from the inside surface formed at a relatively low height. The rim portion of the flush toilet 1 of the invention includes a rim inside wall portion 52; the rim inside wall portion 52 comprises a rim inside wall upper sloped surface 52a, and an inside surface 52b vertically extending straight up to the rim inside wall upper sloped surface; and the water supply apparatus 6 comprises a constant flow rate valve 16 for spouting a predetermined constant flow rate of flush water from the water spouting portion.Type: ApplicationFiled: March 12, 2016Publication date: September 22, 2016Inventors: Shu KASHIRAJIMA, Kyoji ASADA, Satoshi YAMAKAWA, Kazuyoshi MIZOGUCHI, Masaki KITAMURA
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Publication number: 20160147838Abstract: Disclosed is a technique that satisfies both the dispersion performance of the data storage locations and the access efficiency in data acquisition, even when handling a wide variety of sensor data. A receiving node determines, upon receipt of a data storage request or a data acquisition request, a data server in which data is to be stored. The receiving node includes key generation unit which generates a new key using a specified data key and a masked time-of-day acquired by applying a mask to a specified time-of-day, and destination node calculation unit which determines the data server in which the data is to be stored, using the new key generated by the key generation unit.Type: ApplicationFiled: April 30, 2014Publication date: May 26, 2016Inventors: Junpei KAMIMURA, Dai KOBAYASHI, Satoshi YAMAKAWA
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Publication number: 20160138255Abstract: A flush toilet having a bowl portion including a bowl-shaped waste receiving surface and a rim portion wherein the rim portion includes a rim top inside corner portion, and a rim top outside corner portion, and in at least part of the entire perimeter of the rim portion, the rounding of the rim top inside corner portion is formed to be larger than the rounding of the rim top outside corner portion. This rim profile enables the rim portion top surface, the rim top inside corner portion, and the inside wall can be efficiently cleaned.Type: ApplicationFiled: September 28, 2015Publication date: May 19, 2016Inventors: Masaki KITAMURA, Satoshi YAMAKAWA, Kazuyoshi MIZOGUCHI, Shu KASHIRAJIMA
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Publication number: 20150378856Abstract: Convenience of data access is to be secured. A storage system includes two or more storage devices that store original data or copy data of the original data, and a management device that identifies a first storage device for storing the original data and a second storage device for storing the copy data. The storage devices each include two or more data storage units different in accessibility, a data copy control unit that controls generation of the copy data, an access frequency control unit that pseudo-conforms the access frequency to the copy data to the access frequency to the original data, and a data storage location control unit that determines the storage location of the original data and the copy data based on the access frequency and accessibility.Type: ApplicationFiled: February 25, 2014Publication date: December 31, 2015Applicant: NEC CORPORATIONInventor: Satoshi YAMAKAWA
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Publication number: 20150347516Abstract: A distributed storage device according to the present invention includes: a plurality of storage nodes, the plurality of storage nodes includes: a data storage unit that accumulates stream data output from a device; a first time frame generation unit that generates a time frame synchronized with another storage node and associates a data element included in stream data accumulated in the data storage unit with one of time frames; a data selection unit that selects a data element associated with a predetermined time frame from the stream data accumulated in the data storage unit, based on an access request from a client terminal; and a data transmission unit that transmits a data element selected by the data selection unit to the client terminal.Type: ApplicationFiled: September 27, 2013Publication date: December 3, 2015Applicant: NEC CORPORATIONInventors: Dai KOBAYASHI, Satoshi YAMAKAWA