Patents by Inventor Makoto Bekki

Makoto Bekki 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: 20230272608
    Abstract: A flush toilet according to the present invention includes a bowl including a bowl-shaped waste receiving surface, a rim, a spouting port formed in the rim and a pooled water portion having a front region and a rear region, and includes a configuration where a ratio of an inflow flow rate of flush water into the front region of the pooled water portion in a second half of flushing period in a flushing period to “a total inflow flow rate of flush water into the pooled water portion” is larger than a ratio of an inflow flow rate of flush water into the front region of the pooled water portion in a first half of flushing period to “the total inflow flow rate of flush water into the pooled water portion”.
    Type: Application
    Filed: February 24, 2023
    Publication date: August 31, 2023
    Applicant: TOTO LTD.
    Inventors: Shoko KOBAYASHI, Makoto BEKKI, Daiki OKABE
  • Publication number: 20230272607
    Abstract: A flush toilet of the present invention includes a bowl including a waste receiving surface that receives waste, a rim formed on an upper part of the waste receiving surface and a well portion that is formed below the waste receiving surface and in which a pooled water surface is formed, one or more spouting ports that spout flush water along the rim, and a discharge conduit connected to a bottom portion of the bowl, the flush toilet including a configuration where a forward main flow F1 and a rearward main flow F2 of flush water spouted from the spouting ports circulate around a waste receiving surface 16 of a bowl 6 and flow, in the beginning of flushing start, into three or more regions of the pooled water surface divided into four regions S1, S2, S3 and S4.
    Type: Application
    Filed: February 24, 2023
    Publication date: August 31, 2023
    Applicant: TOTO LTD.
    Inventors: Shoko KOBAYASHI, Makoto BEKKI, Daiki OKABE
  • Publication number: 20230099578
    Abstract: A flush toilet according to the present invention includes a bowl including a well portion, and a discharge trap conduit, the well portion includes a bottom wall formed above and in front of an inlet of the discharge trap conduit, a side wall formed to surround the bottom wall, and a connecting portion that connects an outer edge of the bottom wall and a lower edge of the side wall, the bottom wall of the well portion includes an inclined portion, and guiding portions that are formed on left and right outer sides of the inclined portion and that guide flush water or waste from front toward the inlet of the discharge trap conduit, and the inclined portion, in a side cross-sectional view, is entirely formed into an upwardly convex shape and formed to be inclined downward from front toward the inlet of the discharge trap conduit.
    Type: Application
    Filed: September 29, 2022
    Publication date: March 30, 2023
    Inventors: Daiki Okabe, Makoto Bekki, Shoko Kobayashi
  • Patent number: 10753076
    Abstract: Problem: To provide a flush toilet wherein anomalous sounds can be suppressed from occurring when flush water is spouted from the rim spout port together with air accumulated in the upper portion within the rim conduit, and quietness can be improved. Solution: The flush toilet of the present invention includes: a bowl portion 20 having a bowl-shaped waste receiving surface 14 and a rim portion 18 formed on a top edge of a waste receiving surface; a rim spout port 26 configured to spout flush water from the rim portion onto the bowl portion; a rim conduit 24 disposed in the rim portion extending from a rear side region of the bowl portion to the rim spout port; and a stirring portion 44 configured to agitate flush water which is supplied into the rim conduit 24.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: August 25, 2020
    Assignee: TOTO LTD.
    Inventors: Shu Kashirajima, Makoto Bekki, Hironori Yamasaki
  • Patent number: 10704243
    Abstract: Disclosed is a flush toilet which comprises: a bowl portion having a waste-receiving surface and a rim provided along an upper edge of the waste-receiving surface; a drain trap conduit connected to the bowl portion to drain waste therethrough; a rim spout section including a rim spout port provided in a part of the rim located in a front region of the bowl portion for spouting the flush water, and a rim water-conducting passage provided to conduct flush water to the rim spout port; and a first water-conducting hose for supplying the flush water to the rim water-conducting passage located in the front region of the bowl portion, via beneath the waste-receiving surface, wherein the first water-conducting hose is configured to enable flush water to remain thereinside during stop of supply of the flush water.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: July 7, 2020
    Assignee: TOTO LTD.
    Inventors: Shu Kashirajima, Makoto Bekki, Hironori Yamasaki
  • Publication number: 20190078307
    Abstract: Problem: To provide a flush toilet wherein anomalous sounds can be suppressed from occurring when flush water is spouted from the rim spout port together with air accumulated in the upper portion within the rim conduit, and quietness can be improved. Solution: The flush toilet of the present invention includes: a bowl portion 20 having a bowl-shaped waste receiving surface 14 and a rim portion 18 formed on a top edge of a waste receiving surface; a rim spout port 26 configured to spout flush water from the rim portion onto the bowl portion; a rim conduit 24 disposed in the rim portion extending from a rear side region of the bowl portion to the rim spout port; and a stirring portion 44 configured to agitate flush water which is supplied into the rim conduit 24.
    Type: Application
    Filed: August 24, 2018
    Publication date: March 14, 2019
    Applicant: TOTO LTD.
    Inventors: Shu KASHIRAJIMA, Makoto BEKKI, Hironori YAMASAKI
  • Publication number: 20180282987
    Abstract: Disclosed is a flush toilet which comprises: a bowl portion having a waste-receiving surface and a rim provided along an upper edge of the waste-receiving surface; a drain trap conduit connected to the bowl portion to drain waste therethrough; a rim spout section including a rim spout port provided in a part of the rim located in a front region of the bowl portion for spouting the flush water, and a rim water-conducting passage provided to conduct flush water to the rim spout port; and a first water-conducting hose for supplying the flush water to the rim water-conducting passage located in the front region of the bowl portion, via beneath the waste-receiving surface, wherein the first water-conducting hose is configured to enable flush water to remain thereinside during stop of supply of the flush water.
    Type: Application
    Filed: March 7, 2018
    Publication date: October 4, 2018
    Applicant: TOTO LTD.
    Inventors: Shu Kashirajima, Makoto Bekki, Hironori Yamasaki
  • Patent number: 9631350
    Abstract: A flush toilet has a reservoir tank, a toilet main unit, a water supply apparatus, a water discharge apparatus, and a control device for controlling flushing of the bowl portion of the toilet main unit; wherein this control device includes a time measurement device for measuring the time after the water discharge apparatus has been driven for a predetermined time to discharge flush water, until the water level rises from a dead water level inside the reservoir tank with the water discharge apparatus in an off state to a predetermined stopped water level prior to start of flush; and the driving time of the water discharge apparatus responsive to pressure losses in the toilet main unit is adjusted by comparing the water level rise time measured by the time measurement device with the water level rise time in a standard toilet.
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: April 25, 2017
    Assignee: Toto Ltd.
    Inventors: Makoto Bekki, Masaaki Inoue, Yu Yamasaki, Hiroyuki Hara
  • Publication number: 20150089730
    Abstract: A flush toilet has a reservoir tank, a toilet main unit, a water supply apparatus, a water discharge apparatus, and a control device for controlling flushing of the bowl portion of the toilet main unit; wherein this control device includes a time measurement device for measuring the time after the water discharge apparatus has been driven for a predetermined time to discharge flush water, until the water level rises from a dead water level inside the reservoir tank with the water discharge apparatus in an off state to a predetermined stopped water level prior to start of flush; and the driving time of the water discharge apparatus responsive to pressure losses in the toilet main unit is adjusted by comparing the water level rise time measured by the time measurement device with the water level rise time in a standard toilet.
    Type: Application
    Filed: September 10, 2014
    Publication date: April 2, 2015
    Inventors: Makoto BEKKI, Masaaki INOUE, Yu YAMASAKI, Hiroyuki HARA
  • Publication number: 20140238875
    Abstract: In detection of a test substance including a biomolecule by utilizing photocurrent detection of dye sensitization, disclosed is a detection method in which process of the photocurrent detection is carried out by using an electrolyte solution not necessarily requiring an organic solvent. By making the electrolyte medium an aqueous system not containing an organic solvent, not only its usability can be enhanced but also measurement values with less dispersion can be obtained. Therefore, detection of the test substance including a biomolecule by utilizing the photocurrent detection of dye sensitization according to the present invention is characterized by that the processes from a reaction process of a test substance till detection of the photocurrent are carried out in a single apparatus, and that process of the photocurrent detection is carried out by using an electrolyte solution not necessarily requiring an aprotic solvent.
    Type: Application
    Filed: September 26, 2012
    Publication date: August 28, 2014
    Applicant: TOTO LTD.
    Inventors: Makoto Bekki, Junya Narita, Yumi Ogami, Koki Kanehira
  • Patent number: 8501492
    Abstract: In utilizing photocurrent generated in the photoexcitation of a dye in specific detection of an analyte, highly accurate detection can be realized by discharging charged current generated in the formation of a sensor unit and, in the detection of photocurrent of a plurality of detection spots provided on a working electrode, discharging photocurrent which is derived from a detection spot subjected to the latest photocurrent measurement and becomes noise current.
    Type: Grant
    Filed: March 18, 2010
    Date of Patent: August 6, 2013
    Assignee: Toto Ltd.
    Inventors: Makoto Bekki, Shuji Sonezaki
  • Publication number: 20120100627
    Abstract: In utilizing photocurrent generated in the photoexcitation of a dye in specific detection of an analyte, highly accurate detection can be realized by discharging charged current generated in the formation of a sensor unit and, in the detection of photocurrent of a plurality of detection spots provided on a working electrode, discharging photocurrent which is derived from a detection spot subjected to the latest photocurrent measurement and becomes noise current.
    Type: Application
    Filed: March 18, 2010
    Publication date: April 26, 2012
    Applicant: TOTO LTD.
    Inventors: Makoto Bekki, Shuji Sonezaki
  • Patent number: 8092670
    Abstract: A method, an electrode, a measuring cell, and a measuring device are disclosed which can detect and quantitatively determine an analyte having specific bonding properties, in a highly sensitive, simple and accurate manner using photocurrent. This method comprises contacting a working electrode and a counter electrode with an electrolyte medium, wherein the working electrode has an analyte immobilized thereon through a probe substance and wherein the analyte is bonded to a sensitizing dye; irradiating the working electrode with light to photoexcite the sensitizing dye; and detecting photocurrent flowing between the working electrode and the counter electrode, wherein the photocurrent is generated by transfer of electrons from the photoexcited sensitizing dye to the working electrode.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: January 10, 2012
    Assignee: Toto Ltd.
    Inventors: Makoto Bekki, Hitoshi Ohara, Shuji Sonezaki, Koki Kanehira, Yumi Ogami, Hiroshi Ishikawa, Yumi Osaki, Hiromasa Tokudome, Yoko Yamada, Masahiro Miyauchi
  • Publication number: 20110220517
    Abstract: This invention provides a method for detecting an analyte, which, in specific detection of an analyte using photocurrent that is generated by photoexcitation of a sensitizing dye, can significantly simplify the structure and a detection procedure of a sensor unit and a device using the sensor unit and can realize detection with high accuracy, and also provides a sensor unit and a device using the sensor unit. According to the method, an analyte-containing sample solution and a sensitizing dye are brought into contact with the surface of a working electrode to immobilize the sensitizing dye onto the working electrode through specific binding. Subsequently, an electrolyte is supplied in situ while allowing the sample solution to be held without being removed to bring the working electrode and a counter electrode into contact with the electrolyte.
    Type: Application
    Filed: January 9, 2009
    Publication date: September 15, 2011
    Applicant: TOTO LTD.
    Inventors: Makoto Bekki, Masako Ajimi, Hitoshi Ohara, Shuji Sonezaki, Yoshimasa Yamana
  • Publication number: 20110193187
    Abstract: Disclosed is an electrode member for specific detection of an analyte using a photocurrent. The electrode member has at least a conductive substrate and an electron-accepting substance provided on said conductive substrate. The aforementioned electron-accepting substance consists at least of a first substance layer that is made of a semiconductor and a second substance that is made of a semiconductor of a kind different from that of the aforementioned semiconductor, a metal or a metal oxide, and is carried on the surface of said first substance layer. With the electrode member, improved detection sensitivity for the test substance and improved measurement precision can be achieved with specific detection of an analyte using a photocurrent.
    Type: Application
    Filed: September 1, 2009
    Publication date: August 11, 2011
    Applicant: TOTO LTD.
    Inventors: Masako Nakamura, Makoto Bekki, Jyunya Narita, Shuji Sonezaki, Hitoshi Ohara
  • Publication number: 20090294305
    Abstract: A method, an electrode, a measuring cell, and a measuring device are disclosed which can detect and quantitatively determine an analyte having specific bonding properties, in a highly sensitive, simple and accurate manner using photocurrent. This method comprises contacting a working electrode and a counter electrode with an electrolyte medium, wherein the working electrode has an analyte immobilized thereon through a probe substance and wherein the analyte is bonded to a sensitizing dye; irradiating the working electrode with light to photoexcite the sensitizing dye; and detecting photocurrent flowing between the working electrode and the counter electrode, wherein the photocurrent is generated by transfer of electrons from the photoexcited sensitizing dye to the working electrode.
    Type: Application
    Filed: September 28, 2006
    Publication date: December 3, 2009
    Applicant: Toto Ltd.
    Inventors: Makoto Bekki, Hitoshi Ohara, Shuji Sonezaki, Koki Kanehira, Yumi Ogami, Hiroshi Ishikawa, Yumi Osaki, Hiromasa Tokudome, Yoko Yamada, Masahiro Miyauchi
  • Publication number: 20090205979
    Abstract: There is disclosed an electrolyte medium which makes it possible to significantly simplify device structure and detection procedure as well as to detect photocurrent with high sensitivity and accuracy, in specific detection of an analyte with use of photocurrent generated by photo-excitation of a sensitizing dye. The electrolyte-containing sheet comprises a hydrous substrate; and an electrolyte contained in the hydrous substrate. The electrolyte-containing sheet is used as an electrolyte medium in specific detection of an analyte with use of photocurrent generated by photo-excitation of a sensitizing dye. A gel matrix or a water-absorbent substrate can be used as the hydrous substrate.
    Type: Application
    Filed: January 6, 2009
    Publication date: August 20, 2009
    Applicant: TOTO LTD.
    Inventors: Makoto Bekki, Hitoshi Ohara, Shuji Sonezaki, Yoshimasa Yamana