Patents by Inventor Keisuke Tsutsui
Keisuke Tsutsui 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: 11945962Abstract: The present invention provides a cationic electrodeposition coating composition that has both good anti-cissing property and good coating film appearance. This is a cationic electrodeposition coating composition containing a silicone compound (A) having an SP value of more than 10.5 and 15.0 or less, and a film forming resin (B), wherein the silicone compound (A) is contained in an amount of 0.01 parts by mass or more and 4.5 parts by mass or less per 100 parts by mass of the resin solid content of the film forming resin (B). For example, the silicone compound (A) is at least one species selected from the group consisting of a polyether modified silicone compound (A-1), a polyester modified silicone compound (A-2), and a polyacrylic modified silicone compound (A-3).Type: GrantFiled: December 12, 2019Date of Patent: April 2, 2024Assignee: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.Inventors: Masayuki Kotani, Yuko Hasegawa, Yasuyuki Furuya, Keigo Obata, Keisuke Tsutsui, Hiroki Arai, Hiroyoshi Yamazaki
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Publication number: 20240084164Abstract: The present invention provides a cationic electrodeposition coating composition that has both good anti-cissing property and good coating film appearance. This is a cationic electrodeposition coating composition containing a silicone compound (A) having an SP value of more than 10.5 and 15.0 or less, and a film forming resin (B), wherein the silicone compound (A) is contained in an amount of 0.01 parts by mass or more and 4.5 parts by mass or less per 100 parts by mass of the resin solid content of the film forming resin (B). For example, the silicone compound (A) is at least one species selected from the group consisting of a polyether modified silicone compound (A-1), a polyester modified silicone compound (A-2), and a polyacrylic modified silicone compound (A-3).Type: ApplicationFiled: November 9, 2023Publication date: March 14, 2024Applicant: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.Inventors: Masayuki KOTANI, Yuko HASEGAWA, Yasuyuki FURUYA, Keigo OBATA, Keisuke TSUTSUI, Hiroki ARAI, Hiroyoshi YAMAZAKI
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Publication number: 20220386849Abstract: An endoscope apparatus capable of transmitting an endoscope image as an optical signal includes: an electronic component that includes a reception circuit configured to receive an electric signal outputted from an image pickup device and supply the electric signal to a conversion device; a printed board provided with the electronic component; a shielding member that covers at least the reception circuit; a first path via a ground connection line that is provided for the electronic component, and electrically connects the shielding member to a ground; and a second path via a conductive portion that electrically connects the shielding member to the ground, wherein an impedance of the second path is lower than an impedance of the first path.Type: ApplicationFiled: August 1, 2022Publication date: December 8, 2022Applicant: OLYMPUS CORPORATIONInventors: Takehide FUJIMOTO, Makoto TSUNAKAWA, Keisuke TSUTSUI, Nanako UBAYAMA
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Patent number: 11297257Abstract: An image pickup system includes an image pickup apparatus, and an information processing apparatus connectable with the image pickup apparatus. The image pickup apparatus includes an effective pixel area including a plurality of effective pixels configured to output accumulated electric charge as an image signal, a global reset circuit configured to output a global reset signal, and a reading timing generation circuit configured to temporarily stop and resume, at optional timings, reading of the electric charge accumulated by the effective pixels included in each of a plurality of divided areas. The information processing apparatus detects brightness of an object based on the image signals, and determines, based on the brightness detection signal, the number of the plurality of divided areas, a timing of reading the electric charge accumulated by the effective pixels included in each of the plurality of divided areas, and a timing of outputting the global reset signal.Type: GrantFiled: November 25, 2020Date of Patent: April 5, 2022Assignee: OLYMPUS CORPORATIONInventor: Keisuke Tsutsui
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Patent number: 10980405Abstract: An imaging device includes: a pixel unit including a plurality of pixels that are arranged in a two-dimensional matrix, each pixel being configured to generate an imaging signal corresponding to an amount of light received and output the image signal; an A/D converter configured to conduct A/D conversion on the imaging signal generated by the pixel unit or on a drive power for driving the pixel unit, to generate a digital signal and output the digital signal to an external unit; a switch that is capable of switching a connection of the A/D converter to the pixel unit or a transmission line for transmitting the drive power; and a first controller configured to control the switch to connect the A/D converter to the transmission line in predetermined timing to cause the A/D converter to output a voltage value of the drive power to the external unit.Type: GrantFiled: December 14, 2018Date of Patent: April 20, 2021Assignee: OLYMPUS CORPORATIONInventors: Tomoharu Ogihara, Fumiyuki Okawa, Keisuke Tsutsui, Keisuke Ogawa
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Publication number: 20210105395Abstract: An image pickup system includes an image pickup apparatus, and an information processing apparatus connectable with the image pickup apparatus. The image pickup apparatus includes an effective pixel area including a plurality of effective pixels configured to output accumulated electric charge as an image signal, a global reset circuit configured to output a global reset signal, and a reading timing generation circuit configured to temporarily stop and resume, at optional timings, reading of the electric charge accumulated by the effective pixels included in each of a plurality of divided areas. The information processing apparatus detects brightness of an object based on the image signals, and determines, based on the brightness detection signal, the number of the plurality of divided areas, a timing of reading the electric charge accumulated by the effective pixels included in each of the plurality of divided areas, and a timing of outputting the global reset signal.Type: ApplicationFiled: November 25, 2020Publication date: April 8, 2021Applicant: OLYMPUS CORPORATIONInventor: Keisuke TSUTSUI
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Publication number: 20200407590Abstract: The present invention provides a cationic electrodeposition coating composition that has both good anti-cissing property and good coating film appearance. This is a cationic electrodeposition coating composition containing a silicone compound (A) having an SP value of more than 10.5 and 15.0 or less, and a film forming resin (B), wherein the silicone compound (A) is contained in an amount of 0.01 parts by mass or more and 4.5 parts by mass or less per 100 parts by mass of the resin solid content of the film forming resin (B). For example, the silicone compound (A) is at least one species selected from the group consisting of a polyether modified silicone compound (A-1), a polyester modified silicone compound (A-2), and a polyacrylic modified silicone compound (A-3).Type: ApplicationFiled: December 12, 2019Publication date: December 31, 2020Applicant: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.Inventors: Masayuki KOTANI, Yuko HASEGAWA, Yasuyuki FURUYA, Keigo OBATA, Keisuke TSUTSUI, Hiroki ARAI, Hiroyoshi YAMAZAKI
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Publication number: 20200077871Abstract: An endoscopic system comprises an image capturing device. The image capturing device captures an image of an examinee and generates a captured image signal with respect to the examinee. A control device is connected to the endoscope. A first controller is disposed in the endoscope and having a first sender/receiver communicating with the control device during a predetermined period when the endoscope is connected to the control device so as to send a plurality of parameters for driving the image capturing device to the control device. A second controller is disposed in the control device and having a second sender/receiver receiving the parameters sent from the first controller during the predetermined period when the endoscope is connected to the control device. An output value controller is disposed in the control device and setting predetermined output values relative to the control device required to drive the image capturing device.Type: ApplicationFiled: November 13, 2019Publication date: March 12, 2020Applicant: Olympus CorporationInventors: Tomoharu Ogihara, Keisuke Tsutsui
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Patent number: 10548461Abstract: An endoscope apparatus includes image sensors, a power supply unit, a failure detection unit, and a controller. The power supply unit supplies power independently to the image sensors. The failure detection unit detects a failure in each of the image sensors. The controller controls the power supply unit to stop power supply to an image sensor in which a failure is detected at the failure detection unit.Type: GrantFiled: May 24, 2016Date of Patent: February 4, 2020Assignee: OLYMPUS CORPORATIONInventors: Tomoharu Ogihara, Fumiyuki Okawa, Keisuke Tsutsui, Keisuke Ogawa
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Patent number: 10531026Abstract: An endoscope system includes: an image pickup device for picking up an object image; a drive control circuit for initializing and driving the image pickup device; and a monitoring portion for detecting abnormality of an image pickup signal from the image pickup device and outputting an initialization start signal to the drive control circuit. The monitoring portion compares a synchronization code, an optical black pixel value and an effective pixel value of the image pickup signal with respective thresholds indicating a normal range and a stipulated number of times or a stipulated number of pieces, and in a case of detecting abnormality of one of the synchronization code, the optical black pixel value and the effective pixel value, outputs the initialization start signal to the drive control circuit, and the drive control circuit initializes the image pickup device in a case of receiving the initialization start signal the monitoring portion.Type: GrantFiled: March 30, 2017Date of Patent: January 7, 2020Assignee: OLYMPUS CORPORATIONInventors: Keisuke Tsutsui, Fumiyuki Okawa
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Publication number: 20190117053Abstract: An imaging device includes: a pixel unit including a plurality of pixels that are arranged in a two-dimensional matrix, each pixel being configured to generate an imaging signal corresponding to an amount of light received and output the image signal; an A/D converter configured to conduct A/D conversion on the imaging signal generated by the pixel unit or on a drive power for driving the pixel unit, to generate a digital signal and output the digital signal to an external unit; a switch that is capable of switching a connection of the A/D converter to the pixel unit or a transmission line for transmitting the drive power; and a first controller configured to control the switch to connect the A/D converter to the transmission line in predetermined timing to cause the A/D converter to output a voltage value of the drive power to the external unit.Type: ApplicationFiled: December 14, 2018Publication date: April 25, 2019Applicant: OLYMPUS CORPORATIONInventors: Tomoharu OGIHARA, Fumiyuki OKAWA, Keisuke TSUTSUI, Keisuke OGAWA
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Patent number: 9936864Abstract: An image pickup apparatus includes a head portion including an image pickup device, and a connector portion integrally connected with the head portion via a cable. The head portion includes: an electronic shutter register configured to store a set value for controlling an image pickup device, among control data transmitted from the connector portion; and a communication circuit configured to, based on information indicating whether or not to transmit the set value for controlling the image pickup device, among the control data transmitted from the connector portion, to a register provided in the image pickup device, perform control of whether or not to transmit the set value stored in the electronic shutter register to the register provided in the image pickup device.Type: GrantFiled: January 26, 2017Date of Patent: April 10, 2018Assignee: Olympus CorporationInventors: Keisuke Tsutsui, Fumiyuki Okawa
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Patent number: 9775498Abstract: An endoscope system includes a head portion, a connector portion and a CCU. The head portion includes a test signal generating portion configured to generate a first test pattern signal. The connector portion includes: a test signal generating portion configured to generate a second test pattern signal which is a same pattern signal as the first test pattern; a first comparison circuit configured to output a comparison result of comparing the first test pattern signal with the second test pattern signal; and a test signal generating portion configured to generate a third test pattern signal. The CCU includes: a test signal generating portion configured to generate a fourth test pattern signal which is a same pattern signal as the third test pattern; and a second comparison circuit configured to output a comparison result of comparing the third test pattern signal with the fourth test pattern signal.Type: GrantFiled: December 15, 2016Date of Patent: October 3, 2017Assignee: OLYMPUS CORPORATIONInventors: Keisuke Tsutsui, Fumiyuki Okawa, Hiroyuki Usami
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Publication number: 20170208267Abstract: An endoscope system includes: an image pickup device for picking up an object image; a drive control circuit for initializing and driving the image pickup device; and a monitoring portion for detecting abnormality of an image pickup signal from the image pickup device and outputting an initialization start signal to the drive control circuit. The monitoring portion compares a synchronization code, an optical black pixel value and an effective pixel value of the image pickup signal with respective thresholds indicating a normal range and a stipulated number of times or a stipulated number of pieces, and in a case of detecting abnormality of one of the synchronization code, the optical black pixel value and the effective pixel value, outputs the initialization start signal to the drive control circuit, and the drive control circuit initializes the image pickup device in a case of receiving the initialization start signal the monitoring portion.Type: ApplicationFiled: March 30, 2017Publication date: July 20, 2017Applicant: OLYMPUS CORPORATIONInventors: Keisuke TSUTSUI, Fumiyuki OKAWA
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Publication number: 20170127924Abstract: An image pickup apparatus includes a head portion including an image pickup device, and a connector portion integrally connected with the head portion via a cable. The head portion includes: an electronic shutter register configured to store a set value for controlling an image pickup device, among control data transmitted from the connector portion; and a communication circuit configured to, based on information indicating whether or not to transmit the set value for controlling the image pickup device, among the control data transmitted from the connector portion, to a register provided in the image pickup device, perform control of whether or not to transmit the set value stored in the electronic shutter register to the register provided in the image pickup device.Type: ApplicationFiled: January 26, 2017Publication date: May 11, 2017Applicant: OLYMPUS CORPORATIONInventors: Keisuke TSUTSUI, Fumiyuki OKAWA
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Publication number: 20170095141Abstract: An endoscope system includes a head portion, a connector portion and a CCU. The head portion includes a test signal generating portion configured to generate a first test pattern signal. The connector portion includes: a test signal generating portion configured to generate a second test pattern signal which is a same pattern signal as the first test pattern; a first comparison circuit configured to output a comparison result of comparing the first test pattern signal with the second test pattern signal; and a test signal generating portion configured to generate a third test pattern signal. The CCU includes: a test signal generating portion configured to generate a fourth test pattern signal which is a same pattern signal as the third test pattern; and a second comparison circuit configured to output a comparison result of comparing the third test pattern signal with the fourth test pattern signal.Type: ApplicationFiled: December 15, 2016Publication date: April 6, 2017Applicant: OLYMPUS CORPORATIONInventors: Keisuke TSUTSUI, Fumiyuki OKAWA, Hiroyuki USAMI
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Publication number: 20160262596Abstract: An endoscope apparatus includes image sensors, a power supply unit, a failure detection unit, and a controller. The power supply unit supplies power independently to the image sensors. The failure detection unit detects a failure in each of the image sensors. The controller controls the power supply unit to stop power supply to an image sensor in which a failure is detected at the failure detection unit.Type: ApplicationFiled: May 24, 2016Publication date: September 15, 2016Applicant: OLYMPUS CORPORATIONInventors: Tomoharu OGIHARA, Fumiyuki OKAWA, Keisuke TSUTSUI, Keisuke OGAWA
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Patent number: 9030541Abstract: An endoscope system includes: a photoelectric conversion element; a contour enhancing section that detects an edge component in a picked-up image subjected to the photoelectric conversion, thereby generating a contour enhancement signal; an electronic zoom region determining section that determines an electronic zoom region in the picked-up image based on a strength of the contour enhancement signal; an instruction section that provides an instruction for enlargement/reduction of the image; a parameter setting section that sets a zoom parameter for an electronic zoom section according to the instruction provided by the instruction section; and the electronic zoom section that performs an electronic zoom of the picked-up image for the electronic zoom region determined, according to the parameter set by the parameter setting section.Type: GrantFiled: December 7, 2012Date of Patent: May 12, 2015Assignee: Olympus Medical Systems Corp.Inventors: Yuji Kutsuma, Keisuke Tsutsui
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Patent number: 8866940Abstract: An image pickup apparatus includes: an image pickup device that outputs pixel signals picked up by a plurality of pixels arranged in a two-dimensional manner for picking up an image of an object; a white spot positional information storage portion that stores positional information of a white-spot pixel that exists in the image pickup device; an image pickup device drive portion; and a white spot correction portion that, based on positional information of the white-spot pixel that is read out from the white spot positional information storage portion, performs correction with respect to the pixel signal of the pixel that is determined to be the white-spot pixel based on a white spot correction value calculated based on seven pixels that surround a pixel that is determined to be the white-spot pixel.Type: GrantFiled: March 14, 2014Date of Patent: October 21, 2014Assignee: Olympus Medical Systems Corp.Inventors: Keisuke Tsutsui, Shin Otsuka, Fumiyuki Okawa, Takayuki Hanawa
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Publication number: 20140211049Abstract: An image pickup apparatus includes: an image pickup device that outputs pixel signals picked up by a plurality of pixels arranged in a two-dimensional manner for picking up an image of an object; a white spot positional information storage portion that stores positional information of a white-spot pixel that exists in the image pickup device; an image pickup device drive portion; and a white spot correction portion that, based on positional information of the white-spot pixel that is read out from the white spot positional information storage portion, performs correction with respect to the pixel signal of the pixel that is determined to be the white-spot pixel based on a white spot correction value calculated based on seven pixels that surround a pixel that is determined to be the white-spot pixel.Type: ApplicationFiled: March 14, 2014Publication date: July 31, 2014Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Keisuke TSUTSUI, Shin OTSUKA, Fumiyuki OKAWA, Takayuki HANAWA