Patents by Inventor Koichi Matsui
Koichi Matsui 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: 11972074Abstract: This display device includes: a drive processing unit inputs an input signal with respect to a plurality of drive lines; an output detection processing unit that detects an output signal that is output from a plurality of sense lines; a grouping processing unit that groups the plurality of drive lines into a plurality of groups each having a set grouped number of adjacent drive lines; and a touch operation detection processing unit that detects a touch operation made with respect to a touch panel based on a linear element sequence calculated by a matrix operation of an input sequence and an output sequence. The drive processing unit inputs the input signal having the same pattern to each of the grouped number of drive lines that have been grouped by the grouping processing unit.Type: GrantFiled: July 5, 2023Date of Patent: April 30, 2024Assignee: SHARP KABUSHIKI KAISHAInventors: Kuniaki Matsui, Koichi Sugiyama
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Publication number: 20240121637Abstract: A wireless communication monitoring system for monitoring a hardware failure of a wireless communication unit of a wireless communication device using a remote monitoring control device, in which the wireless communication device transmits or receives a predetermined radio signal to or from a monitoring device added or attached to the host device to perform a life and death check for checking an operation, and the remote monitoring control device detects a hardware failure of the wireless communication unit of the wireless communication device on the basis of a result of the life and death check received from the wireless communication device. This makes it possible to detect a failure that cannot be detected from information obtained from a device state request to a wireless communication device of the related art.Type: ApplicationFiled: February 17, 2021Publication date: April 11, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Akira MATSUSHITA, Mitsuru NISHINO, Munehiro MATSUI, Masaki SHIMA, Koichi HARADA, Hiroki SHIBAYAMA, Fumihiro YAMASHITA
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Patent number: 9932250Abstract: According to one embodiment, a membrane filtration system includes a raw water tank, a pretreatment membrane module, a raw water feed line, a high-pressure RO membrane module, a high-pressure line, a preceding power recovery unit which pressurize the pretreated water by transmitting the pressure of the concentrate to the pretreated water, a succeeding power recovery unit which pressurize the raw water by transmitting a remaining pressure of the concentrate to the raw water, a concentrate discharge line, a first pressure transmission line communicating to the power recovery unit by being branched from the high-pressure line, a second pressure transmission line communicating to the power recovery unit by being branched from the raw water feed line, and a valve provided in the drain line to regulate a discharge of the concentrate from the power recovery unit in accordance with a pressure loss in the pretreatment membrane module.Type: GrantFiled: September 21, 2015Date of Patent: April 3, 2018Assignee: Kabushiki Kaisha ToshibaInventors: Takeshi Matsushiro, Katsuya Yokokawa, Futoshi Kurokawa, Ryo Namba, Koichi Matsui, Hideaki Yamagata, Yuka Hiraga, Seiichi Murayama, Hiroyuki Tokimoto
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Publication number: 20160009572Abstract: According to one embodiment, a membrane filtration system includes a raw water tank, a pretreatment membrane module, a raw water feed line, a high-pressure RO membrane module, a high-pressure line, a preceding power recovery unit which pressurize the pretreated water by transmitting the pressure of the concentrate to the pretreated water, a succeeding power recovery unit which pressurize the raw water by transmitting a remaining pressure of the concentrate to the raw water, a concentrate discharge line, a first pressure transmission line communicating to the power recovery unit by being branched from the high-pressure line, a second pressure transmission line communicating to the power recovery unit by being branched from the raw water feed line, and a valve provided in the drain line to regulate a discharge of the concentrate from the power recovery unit in accordance with a pressure loss in the pretreatment membrane module.Type: ApplicationFiled: September 21, 2015Publication date: January 14, 2016Inventors: Takeshi MATSUSHIRO, Katsuya YOKOKAWA, Futoshi KUROKAWA, Ryo NAMBA, Koichi MATSUI, Hideaki YAMAGATA, Yuka HIRAGA, Seiichi MURAYAMA, Hiroyuki TOKIMOTO
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Patent number: 9145310Abstract: According to one embodiment, a seawater desalination apparatus includes a pressure sensor configured to measure a pressure of seawater which is supplied to a reverse osmosis membrane that is configured to separate seawater into fresh water and condensed seawater and to discharge the fresh water and the condensed seawater, a sensor configured to measure a flow amount of the fresh water which is discharged from the reverse osmosis membrane, a sensor configured to measure a flow amount of the condensed seawater discharged from the reverse osmosis membrane or a flow amount of the seawater discharged from a booster pump, a sensor configured to measure a flow amount of the seawater which is supplied to a power recovery device, and a controller configured to execute control based on values measured by the sensors.Type: GrantFiled: May 10, 2011Date of Patent: September 29, 2015Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Ryo Namba, Katsuya Yokokawa, Hideaki Yamagata, Koichi Matsui, Futoshi Kurokawa, Takeshi Matsushiro
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Patent number: 8834712Abstract: According to one embodiment, a seawater desalination system includes a membrane filtering pump, a first to third flowmeter, a filtering membrane, a high-pressure pump, a pressure gauge, a reverse osmosis membrane, a discharge valve and a control module. The membrane filtering pump outputs seawater according to a first control signal. The first flowmeter measures flow rate Q1. The high-pressure pump outputs filtered water from the filtering membrane according to a second control signal. The first pressure gauge measures pressure P1. The reverse osmosis membrane desalinates the filtered water into fresh water. The second flowmeter measures flow rate Q2. The third flowmeter measures flow rate Q3. The discharge valve discharges a high-concentration salt water according to a third control signal. The control module performs first, second, and third flow rate control with reference to the flow rate Q1, Q2 and Q3 and the pressure P1.Type: GrantFiled: January 25, 2011Date of Patent: September 16, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Kyosuke Katayama, Takeshi Matsushiro, Futoshi Kurokawa, Takanori Fukagawa, Kazuhiko Kimijima, Koichi Matsui
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Patent number: 8702978Abstract: According to one embodiment, a apparatus includes a controller configured to obtain values measured by a first sensor and a second sensor, receive pH target values at the entrance of a first reverse osmosis membrane and at the entrance of a second reverse osmosis membrane, and use a transfer function from the acid injection to pH at the entrance of the first reverse osmosis membrane, a transfer function from the alkaline injection to pH at the entrance of the first reverse osmosis membrane, a transfer function from the acid injection to pH at the entrance of the second reverse osmosis membrane, and a transfer function from the alkaline injection to pH at the entrance of the second reverse osmosis membrane, to control an injection rate of the acid injected from a first injection device and an injection rate of the alkali injected from a second injection device.Type: GrantFiled: July 19, 2011Date of Patent: April 22, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Katsuya Yokokawa, Takeshi Matsushiro, Ryo Namba, Hideaki Yamagata, Koichi Matsui, Futoshi Kurokawa
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Publication number: 20130094949Abstract: According to one embodiment, a power recovery device is used in an apparatus in which firstly pressurized raw water (FPRW) is supplied to a reverse osmosis membrane unit to extract fresh water and condensed and depressurized raw water (HPB) remains. The device recovers the energy of HPB, rises a pressure of raw water (LPF) by using the recovered energy, and adds such secondly pressurized raw water (HPF) to the FPRW. The device accommodates a fixed center shaft and a rotary member on the shaft in a housing. LPF flows into one paired chambers of the housing and radial channels of the member to push and rotate the member, and HPB is introduced into the channels through paired openings of the shaft to push out LPF as HPF from the channels and another paired chambers of the housing.Type: ApplicationFiled: November 28, 2012Publication date: April 18, 2013Inventors: Ryoichi Takahashi, Koichi Matsui
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Patent number: 8366610Abstract: An endoscope apparatus includes: an optical adapter provided with a discrimination capacitor; and an endoscope configured to be detachably provided with the optical adapter at a distal end portion of the endoscope, and configured to include a reference capacitor which is arranged to be connected in series to the discrimination capacitor in a state where the optical adapter is mounted, a DC power supply which is connected in series to the reference capacitor, and a control circuit which calculates a capacitance of the discrimination capacitor on the basis of a voltage value at a connection point between the discrimination capacitor and the reference capacitor, so as to discriminate the kind of the optical adapter.Type: GrantFiled: February 4, 2008Date of Patent: February 5, 2013Assignee: Olympus CorporationInventor: Koichi Matsui
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Publication number: 20120067791Abstract: According to one embodiment, a apparatus includes a controller configured to obtain values measured by a first sensor and a second sensor, receive pH target values at the entrance of a first reverse osmosis membrane and at the entrance of a second reverse osmosis membrane, and use a transfer function from the acid injection to pH at the entrance of the first reverse osmosis membrane, a transfer function from the alkaline injection to pH at the entrance of the first reverse osmosis membrane, a transfer function from the acid injection to pH at the entrance of the second reverse osmosis membrane, and a transfer function from the alkaline injection to pH at the entrance of the second reverse osmosis membrane, to control an injection rate of the acid injected from a first injection device and an injection rate of the alkali injected from a second injection device.Type: ApplicationFiled: July 19, 2011Publication date: March 22, 2012Inventors: Katsuya YOKOKAWA, Takeshi Matsushiro, Ryo Namba, Hideaki Yamagata, Koichi Matsui, Futoshi Kurokawa
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Publication number: 20120061300Abstract: According to one embodiment, a membrane filtration system includes a raw water tank, a pretreatment membrane module, a raw water feed line, a high-pressure RO membrane module, a high-pressure line, a preceding power recovery unit which pressurize the pretreated water by transmitting the pressure of the concentrate to the pretreated water, a succeeding power recovery unit which pressurize the raw water by transmitting a remaining pressure of the concentrate to the raw water, a concentrate discharge line, a first pressure transmission line communicating to the power recovery unit by being branched from the high-pressure line, a second pressure transmission line communicating to the power recovery unit by being branched from the raw water feed line, and a valve provided in the drain line to regulate a discharge of the concentrate from the power recovery unit in accordance with a pressure loss in the pretreatment membrane module.Type: ApplicationFiled: July 19, 2011Publication date: March 15, 2012Inventors: Takeshi Matsushiro, Katsuya Yokokawa, Futoshi Kurokawa, Ryo Namba, Koichi Matsui, Hideaki Yamagata, Yuka Hiraga, Seiichi Murayama, Hiroyuki Tokimoto
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Publication number: 20110278208Abstract: According to one embodiment, a seawater desalination apparatus includes a pressure sensor configured to measure a pressure of seawater which is supplied to a reverse osmosis membrane that is configured to separate seawater into fresh water and condensed seawater and to discharge the fresh water and the condensed seawater, a sensor configured to measure a flow amount of the fresh water which is discharged from the reverse osmosis membrane, a sensor configured to measure a flow amount of the condensed seawater discharged from the reverse osmosis membrane or a flow amount of the seawater discharged from a booster pump, a sensor configured to measure a flow amount of the seawater which is supplied to a power recovery device, and a controller configured to execute control based on values measured by the sensors.Type: ApplicationFiled: May 10, 2011Publication date: November 17, 2011Inventors: Ryo NAMBA, Katsuya Yokokawa, Hideaki Yamagata, Koichi Matsui, Futoshi Kurokawa, Takeshi Matsushiro
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Publication number: 20110220561Abstract: According to one embodiment, a seawater desalination system includes a membrane filtering pump, a first to third flowmeter, a filtering membrane, a high-pressure pump, a pressure gauge, a reverse osmosis membrane, a discharge valve and a control module. The membrane filtering pump outputs seawater according to a first control signal. The first flowmeter measures flow rate Q1. The high-pressure pump outputs filtered water from the filtering membrane according to a second control signal. The first pressure gauge measures pressure P1. The reverse osmosis membrane desalinates the filtered water into fresh water. The second flowmeter measures flow rate Q2. The third flowmeter measures flow rate Q3. The discharge valve discharges a high-concentration salt water according to a third control signal. The control module performs first, second, and third flow rate control with reference to the flow rate Q1, Q2 and Q3 and the pressure P1.Type: ApplicationFiled: January 25, 2011Publication date: September 15, 2011Inventors: Kyosuke Katayama, Takeshi Matsushiro, Futoshi Kurokawa, Takanori Fukagawa, Kazuhiko Kimijima, Koichi Matsui
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Publication number: 20110073203Abstract: A five-port switch valve includes a cylinder having five chambers defined by four partitions, and two actuators. The valve body of one actuator alternately opens and closes a hole formed in the partition and a hole formed in the partition. The valve body of the other actuator alternately opens and closes a hole formed in the partition and a hole formed in the partition. By virtue of this structure, brine fed into the central chamber through a port is alternately fed into two pressure converters through ports.Type: ApplicationFiled: August 25, 2010Publication date: March 31, 2011Inventors: Fumihide NAGASHIMA, Ryoichi Takahashi, Koichi Matsui
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Publication number: 20110062063Abstract: According to one embodiment, a power recovery apparatus used in a desalination apparatus including a reverse osmosis membrane which extracts fresh water from seawater and ejects concentrated water includes a pressure conversion section and a seawater supply section to collect energy of the concentrated water. The pressure conversion section includes a movable part dividing inside of the conversion section into first and second spaces, moves the movable part by causing the first space to receive the concentrated water, and pushes out seawater filled in the second space by the movable part to output the seawater. The seawater supply section merges the seawater from the pressure conversion section with the seawater supplied to the reverse osmosis membrane.Type: ApplicationFiled: August 24, 2010Publication date: March 17, 2011Inventors: Ryoichi TAKAHASHI, Fumihide Nagashima, Koichi Matsui, Futoshi Kurokawa, Hideaki Yamagata
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Publication number: 20110062062Abstract: According to one embodiment, a power recovery apparatus used in a desalination apparatus including a reverse osmosis membrane which extracts fresh water from seawater and ejects concentrated water includes a pressure conversion section and a seawater supply section to collect energy of the concentrated water. The pressure conversion section includes a movable part dividing inside of the conversion section into first and second spaces, moves the movable part by causing the first space to receive the concentrated water, and pushes out seawater filled in the second space by the movable part to output the seawater. The pressure conversion section further includes a drive mechanism which drives the movable part so as to output the seawater from the second space. The seawater supply section merges the seawater from the pressure conversion section with the seawater supplied to the reverse osmosis membrane.Type: ApplicationFiled: August 23, 2010Publication date: March 17, 2011Inventors: Ryoichi TAKAHASHI, Tetsuya Shinohara, Fumihide Nagashima, Koichi Matsui, Futoshi Kurokawa
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Publication number: 20110066979Abstract: An endoscope apparatus is a nondestructive testing apparatus and includes: a menu display instruction section for inputting an instruction for displaying a menu screen in a hierarchical structure on a monitor; and a display control section which emphasis-displays a display portion in a hierarchy selected on the menu screen displayed in response to the instruction by the menu display instruction section compared with a display portion in a higher-level hierarchy than the selected hierarchy and a display portion in a lower-level hierarchy than the selected hierarchy, the selected hierarchy being derived from an item in the higher-level hierarchy, and which identifiably displays the item in the higher-level hierarchy, and identifiably displays an already-set item among items in the lower-level hierarchy, when the display portion in the selected hierarchy is emphasis-displayed, the lower-level hierarchy being derived from an item in the selected hierarchy.Type: ApplicationFiled: September 14, 2010Publication date: March 17, 2011Applicant: OLYMPUS CORPORATIONInventor: Koichi MATSUI
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Publication number: 20110056878Abstract: According to one embodiment, a membrane filtration system includes a raw water tank, a first tank, a second tank, a nanofiltration membrane module comprises a nanofiltration membrane, and removes the solute from the raw water with a solute removal rate of 1% to 30%, a first pump for supplying the raw water from the raw water tank to the module to cause the raw water to permeate through the membrane and send the water that has permeated through the membrane as a primary water to the first tank, a RO module comprises a RO membrane that further removes the solute from the primary water, and a second pump for supplying the primary water from the first tank to the RO module to cause the primary water to permeate through the membrane and send the water that has permeated through the membrane as a secondary water to the second tank.Type: ApplicationFiled: August 12, 2010Publication date: March 10, 2011Inventors: Takeshi Matsushiro, Nobuyuki Ashikaga, Takashi Menju, Futoshi Kurokawa, Yoshie Akai, Koichi Matsui, Hideaki Yamagata, Hideyuki Tsuji, Takanori Fukagawa, Takahiro Soma
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Publication number: 20090284588Abstract: An endoscope apparatus includes: an optical adapter provided with a discrimination capacitor; and an endoscope configured to be detachably provided with the optical adapter at a distal end portion of the endoscope, and configured to include a reference capacitor which is arranged to be connected in series to the discrimination capacitor in a state where the optical adapter is mounted, a DC power supply which is connected in series to the reference capacitor, and a control circuit which calculates a capacitance of the discrimination capacitor on the basis of a voltage value at a connection point between the discrimination capacitor and the reference capacitor, so as to discriminate the kind of the optical adapter.Type: ApplicationFiled: February 4, 2008Publication date: November 19, 2009Applicant: Olympus CorporationInventor: Koichi Matsui
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Patent number: 6669629Abstract: The endoscope system comprises a endoscope in which a bendable portion is motor bendable; an operation switch for giving an instruction as to a bending amount; a motor for bending the bendable portion in accordance with a bending instruction signal; a detection portion for detecting the bent state of the bendable portion; a first driving power generating portion which generates power for driving the motor in accordance with a difference between an instructed bending amount fed via the operation switch and a value representing the bending state of the bending portion and given by the detection portion; a second driving power generating portion for generating a pulse driving power having a predetermined magnitude; and a control portion whose control includes selecting one of the first and second driving power generating means depending on said difference, and causing the thus selected means to drive motor so as to bend the bendable portion.Type: GrantFiled: April 24, 2002Date of Patent: December 30, 2003Assignee: Olympus Optical Co., Ltd.Inventor: Koichi Matsui