Patents by Inventor Kentaro Yamanaka
Kentaro Yamanaka 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: 20240051192Abstract: A cover (5) of an electronic device has side walls (8) and a ceiling wall (9), and is molded by injection molding using a mold. The ceiling wall (9) has a flat plate shape. Disk-shaped thick portions (21) that locally protrude inward so as to be relatively thicker than an adjacent normal portion of the ceiling wall (9) are provided at a plurality of positions of the ceiling wall (9) corresponding to respective positions of ejection by ejection pins (25). Although a circular dent (22) is formed at a middle of the thick portion (21) due to the thick portion (21) being pressed by a tip of the ejection pin (25), even at this dent (22) portion, a thickness equal to or greater than that of the normal portion of the ceiling wall (9) is secured.Type: ApplicationFiled: December 15, 2021Publication date: February 15, 2024Applicant: Hitachi Astemo, Ltd.Inventors: Yudai MIYAZAWA, Kumiko YOSHINAGA, Kentaro YAMANAKA
-
Publication number: 20230311791Abstract: An electronic control device 10 includes a circuit board 13 and first and second members 14, 15. Various electronic components are mounted on the circuit board. The first member has the circuit board attached thereto, and has a groove 14a in the periphery of an attachment part for the circuit board. The second member has a protrusion 15a to be placed in the groove. The groove and the protrusion are joined with first adhesive to form an internal space and a casing that accommodates the circuit board. Retention parts 18-1,18-2 that retain excess adhesive are provided in the groove in the first member. Each of the retention parts opens into an inner side wall of the groove.Type: ApplicationFiled: June 29, 2021Publication date: October 5, 2023Applicant: HITACHI ASTEMO, LTD.Inventor: Kentaro YAMANAKA
-
Patent number: 11662678Abstract: A fixing device includes a fixing rotator over which a recording medium bearing an image is conveyed. A first heater heats the fixing rotator and generates heat evenly in a maximum conveyance span where the recording medium having a maximum width in a width direction of the recording medium is conveyed. The maximum width is available for the fixing rotator. A second heater heats the fixing rotator and generates heat in the maximum conveyance span. The second heater includes a first portion that generates heat in a first heat generation amount and a second portion that generates heat in a second heat generation amount that is greater than the first heat generation amount of the first portion.Type: GrantFiled: November 24, 2021Date of Patent: May 30, 2023Assignee: RICOH COMPANY, LTD.Inventors: Ryohei Matsuda, Ryuuichi Mimbu, Toshihiko Shimokawa, Satoshi Kuno, Kentaro Yamanaka
-
Publication number: 20230037858Abstract: An addition condensation product, i.e., an addition condensation product of an aromatic compound with a carbonyl compound, is obtained as a condensation reaction product in the state of uniform solution or the like, in which clumping caused by agglomeration of the condensation product of the aromatic compound with the carbonyl compound can be prevented by the presence of a surfactant at the time of the condensation reaction. In addition, a coating solution prepared by using an original solution or an adjusted solution whose viscosity is 2.0 mPa·s or greater exhibits an excellent polymer scale adhesion inhibition effect when applied to an inner wall and the like of a polymerization vessel; and in addition, a low-accumulative coating film is formed when the solution is applied to an inner wall and the like of a polymerization vessel.Type: ApplicationFiled: July 8, 2022Publication date: February 9, 2023Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Kentaro YAMANAKA, Yoshikatsu TSUCHIYA, Masahiro USUKI
-
Publication number: 20220171315Abstract: A fixing device includes a fixing rotator over which a recording medium bearing an image is conveyed. A first heater heats the fixing rotator and generates heat evenly in a maximum conveyance span where the recording medium having a maximum width in a width direction of the recording medium is conveyed. The maximum width is available for the fixing rotator. A second heater heats the fixing rotator and generates heat in the maximum conveyance span. The second heater includes a first portion that generates heat in a first heat generation amount and a second portion that generates heat in a second heat generation amount that is greater than the first heat generation amount of the first portion.Type: ApplicationFiled: November 24, 2021Publication date: June 2, 2022Inventors: Ryohei MATSUDA, Ryuuichi MIMBU, Toshihiko SHIMOKAWA, Satoshi KUNO, Kentaro YAMANAKA
-
Patent number: 11345651Abstract: Provided is an addition condensation product of an aromatic compound and a carbonyl compound. The addition condensation product includes an aromatic compound dimer in which two composition units derived from the aromatic compounds are bonded via one composition unit derived from the carbonyl compound and an aromatic compound multimer in which each of three or more composition units derived from the aromatic compounds is bonded via one composition unit derived from the carbonyl compound. A ratio of the aromatic compound dimer to the aromatic compound multimer is in the range of 1:75 to 1:1,000.Type: GrantFiled: June 2, 2021Date of Patent: May 31, 2022Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Yoshikatsu Tsuchiya, Kentaro Yamanaka, Masahiro Usuki
-
Publication number: 20210403405Abstract: Provided is an addition condensation product of an aromatic compound and a carbonyl compound. The addition condensation product includes an aromatic compound dimer in which two composition units derived from the aromatic compounds are bonded via one composition unit derived from the carbonyl compound and an aromatic compound multimer in which each of three or more composition units derived from the aromatic compounds is bonded via one composition unit derived from the carbonyl compound. A ratio of the aromatic compound dimer to the aromatic compound multimer is in the range of 1:75 to 1:1,000.Type: ApplicationFiled: June 2, 2021Publication date: December 30, 2021Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Yoshikatsu TSUCHIYA, Kentaro YAMANAKA, Masahiro USUKI
-
Publication number: 20210403611Abstract: A production method of an addition condensation product includes a step at which an aromatic compound, a carbonyl compound, and a catalyst are mixed in a reaction solvent, and an addition condensation reaction of the aromatic compound and the carbonyl compound is conducted in the temperature range of 60 to 97° C., both inclusive, to obtain the addition condensation product of the aromatic compound and the carbonyl compound. At the step to obtain the addition condensation product, 1 mole of the aromatic compound is mixed with 0.1 to 0.999 mole, both inclusive, of the carbonyl compound as the mole ratio. A ratio of the aromatic compound dimer to the aromatic compound multimer is in the range of 1:75 to 1:1,000.Type: ApplicationFiled: June 2, 2021Publication date: December 30, 2021Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Yoshikatsu TSUCHIYA, Kentaro YAMANAKA, Masahiro USUKI
-
Patent number: 10801494Abstract: A hydraulic control apparatus is provided including: an electromagnetic valve that has an input port communicating with a supply destination unit of oil and a control port that is switched between communication and disconnection by resultant force of a hydraulic pressure of the supply destination unit and electromagnetic force; a variable displacement pump which has a suction port communicating with a supply source of the oil, an ejection port communicating with the supply destination unit, and a control chamber communicating with the control port and rotates in accordance with drive of the supply destination unit, in which an amount of the oil ejected to the supply destination unit through the ejection port changes in accordance with a pressure in the control chamber; and a control unit that controls a value of a necessary current that is caused to flow through the electromagnetic valve.Type: GrantFiled: April 12, 2018Date of Patent: October 13, 2020Assignees: YAMADA MANUFACTURING CO., LTD., KEIHIN CORPORATIONInventors: Yuji Senbongi, Kenichi Fujiki, Toru Kobayashi, Ken Kaneko, Takahiro Satou, Haruyo Kobayashi, Yoshiharu Segawa, Naoki Oikawa, Syu Murayama, Kentaro Yamanaka, Yuhki Jyo
-
Patent number: 10700015Abstract: The electronic control unit ECU includes: a base 2 that has a bottom surface portion 7 on which a printed circuit board 3 is mounted and an opening opposed to the bottom surface portion 7; and a cover 1 that covers at least a part of the bottom surface portion 7 and is engaged with the base 2. Here, the cover 1 includes an overlap portion 5 that is spaced apart from and opposed to a side surface 11 of the base 2, and the overlap portion 5 includes a slit 15.Type: GrantFiled: October 3, 2017Date of Patent: June 30, 2020Assignee: Hitachi Automotive Systems, Ltd.Inventors: Yusaku Katsube, Masayuki Kawabata, Shoho Ishikawa, Kentaro Yamanaka
-
Publication number: 20190237408Abstract: The electronic control unit ECU includes: a base 2 that has a bottom surface portion 7 on which a printed circuit board 3 is mounted and an opening opposed to the bottom surface portion 7; and a cover 1 that covers at least a part of the bottom surface portion 7 and is engaged with the base 2. Here, the cover 1 includes an overlap portion 5 that is spaced apart from and opposed to a side surface 11 of the base 2, and the overlap portion 5 includes a slit 15.Type: ApplicationFiled: October 3, 2017Publication date: August 1, 2019Inventors: Yusaku KATSUBE, Masayuki KAWABATA, Shoho ISHIKAWA, Kentaro YAMANAKA
-
Publication number: 20190017596Abstract: A hydraulic control apparatus is provided including: an electromagnetic valve that has an input port communicating with a supply destination unit of oil and a control port that is switched between communication and disconnection by resultant force of a hydraulic pressure of the supply destination unit and electromagnetic force; a variable displacement pump which has a suction port communicating with a supply source of the oil, an ejection port communicating with the supply destination unit, and a control chamber communicating with the control port and rotates in accordance with drive of the supply destination unit, in which an amount of the oil ejected to the supply destination unit through the ejection port changes in accordance with a pressure in the control chamber; and a control unit that controls a value of a necessary current that is caused to flow through the electromagnetic valve.Type: ApplicationFiled: April 12, 2018Publication date: January 17, 2019Inventors: Yuji Senbongi, Kenichi Fujiki, Toru Kobayashi, Ken Kaneko, Takahiro Satou, Haruyo Kobayashi, Yoshiharu Segawa, Naoki Oikawa, Syu Murayama, Kentaro Yamanaka, Yuhki Jyo
-
Patent number: 9781849Abstract: An electronic control device (10) includes a housing having a plurality of housing members (1) joined together, a housing vent hole (2) formed through the housing member (1) so as to extend in a thickness direction of the housing member, a protection wall (3) covering an outer opening (2b) of the housing vent hole (2), with a gap (3b) left between the protection wall (3) and the outer opening (2b), a protection-wall vent hole (3a) formed in the protection wall (3) at a position apart from the housing vent hole (2) so as to extend from the gap (3b) in a radial direction of the housing vent hole (2), and an air-permeable waterproof membrane (5) fixed to an inner opening (2a) of the housing vent hole (2). A vent passage (6) with a bent part (6a) is formed between the air-permeable waterproof membrane (5) and the protection-wall vent hole (3a).Type: GrantFiled: September 12, 2013Date of Patent: October 3, 2017Assignee: Hitachi Automotive Systems, Ltd.Inventors: Yoshiyasu Negishi, Hitoshi Furudate, Takayuki Fukuzawa, Kentaro Yamanaka
-
Patent number: 9352643Abstract: A control apparatus includes an actuator ECU for controlling a plurality of ACMs. When an engine is started or restarted, the actuator ECU begins a vibration suppressing control process with the ACMs for suppressing vibrations transmitted to a vehicle body when a crankshaft angle, which is represented by a CRK pulse signal from a CRK sensor, reaches a beginning crankshaft angle.Type: GrantFiled: January 14, 2014Date of Patent: May 31, 2016Assignee: Honda Motor Co., Ltd.Inventors: Tatsuhiro Yone, Takashi Yamaguchi, Atsushi Mitsui, Kentaro Yamanaka
-
Patent number: 9093776Abstract: An electronic control device including a circuit board, a connector with connector pins having a board connecting portion at which the connector pins are electrically connected with the circuit board, a pair of housing members accommodating the circuit board and the connector therebetween, a waterproof seal portion through which connection between the connector and the pair of housing members and connection between the pair of housing members are provided in a fluid-tight manner, the waterproof seal portion including a connector-side waterproof seal portion disposed between the connector and one of the pair of housing members which is opposed to the board connecting portion of the connector pins, and a barrier portion disposed between the board connecting portion of the connector pins and the connector-side waterproof seal portion.Type: GrantFiled: May 8, 2013Date of Patent: July 28, 2015Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Kentaro Yamanaka, Hironori Ohhashi, Yoshio Kawai
-
Publication number: 20150208525Abstract: An electronic control device (10) includes a housing having a plurality of housing members (1) joined together, a housing vent hole (2) formed through the housing member (1) so as to extend in a thickness direction of the housing member, a protection wall (3) covering an outer opening (2b) of the housing vent hole (2), with a gap (3b) left between the protection wall (3) and the outer opening (2b), a protection-wall vent hole (3a) formed in the protection wall (3) at a position apart from the housing vent hole (2) so as to extend from the gap (3b) in a radial direction of the housing vent hole (2), and an air-permeable waterproof membrane (5) fixed to an inner opening (2a) of the housing vent hole (2). A vent passage (6) with a bent part (6a) is formed between the air-permeable waterproof membrane (5) and the protection-wall vent hole (3a).Type: ApplicationFiled: September 12, 2013Publication date: July 23, 2015Inventors: Yoshiyasu Negishi, Hitoshi Furudate, Takayuki Fukuzawa, Kentaro Yamanaka
-
Publication number: 20140200764Abstract: A control apparatus includes an actuator ECU for controlling a plurality of ACMs. When an engine is started or restarted, the actuator ECU begins a vibration suppressing control process with the ACMs for suppressing vibrations transmitted to a vehicle body when a crankshaft angle, which is represented by a CRK pulse signal from a CRK sensor, reaches a beginning crankshaft angle.Type: ApplicationFiled: January 14, 2014Publication date: July 17, 2014Applicant: Honda Motor Co., Ltd.Inventors: Tatsuhiro YONE, Takashi YAMAGUCHI, Atsushi MITSUI, Kentaro YAMANAKA
-
Publication number: 20140080329Abstract: An electronic control device including a circuit board, a connector with connector pins having a board connecting portion at which the connector pins are electrically connected with the circuit board, a pair of housing members accommodating the circuit board and the connector therebetween, a waterproof seal portion through which connection between the connector and the pair of housing members and connection between the pair of housing members are provided in a fluid-tight manner, the waterproof seal portion including a connector-side waterproof seal portion disposed between the connector and one of the pair of housing members which is opposed to the board connecting portion of the connector pins, and a barrier portion disposed between the board connecting portion of the connector pins and the connector-side waterproof seal portion.Type: ApplicationFiled: May 8, 2013Publication date: March 20, 2014Applicant: HITACHI AUTOMOTIVE SYSTEMS. LTD.Inventors: Kentaro YAMANAKA, Hironori OHHASHI, Yoshio KAWAI
-
Patent number: 8003105Abstract: The present invention relates to a method of treating cancer by co-administration of an effective amount of 1-(2-methoxyethyl)-2-methyl-4,9-dioxo-3-(pyrazin-2-ylmethyl)-4,9-dihydro-1H-naphtho[2,3-d]imidazol-3-ium bromide and an effective amount of one or more anticancer agents selected from the group consisting of carboplatin, cisplatin, paclitaxel, vinorelbine, gemcitabine, irinotecan, docetaxel, doxorubicin, dacarbazine and rituximab, or a retuximab-containing combination therapy selected from R-ICE and R-DHAP. The treatment method of the present invention is useful for the treatment for all solid tumors and lymphomas, preferably skin cancer, bladder cancer, breast cancer, uterine cancer, ovary cancer, prostate cancer, lung cancer, colon cancer, pancreas cancer, renal cancer, gastric cancer and the like. Particularly, they are expected as therapeutic agents for tumor types which show resistance against existing anticancer agents.Type: GrantFiled: June 29, 2009Date of Patent: August 23, 2011Assignee: Astellas Pharma Inc.Inventors: Takahito Nakahara, Kentaro Yamanaka, Aya Kita, Hiroshi Koutoku
-
Patent number: RE45105Abstract: The present invention relates to a method of treating cancer by co-administration of an effective amount of 1-(2-methoxy-ethyl)-2-methyl-4,9-dioxo-3-(pyrazin-2-ylmethyl)-4,9-dihydro-1H-naphtho[2,3-d]imidazol-3-ium bromide and an effective amount of one or more anticancer agents selected from the group consisting of carboplatin, cisplatin, paclitaxel, vinorelbine, gemcitabine, irinotecan, docetaxel, doxorubicin, dacarbazine and rituximab, or a retuximab-containing combination therapy selected from R-ICE and R-DHAP. The treatment method of the present invention is useful for the treatment for all solid tumors and lymphomas, preferably skin cancer, bladder cancer, breast cancer, uterine cancer, ovary cancer, prostate cancer, lung cancer, colon cancer, pancreas cancer, renal cancer, gastric cancer and the like. Particularly, they are expected as therapeutic agents for tumor types which show resistance against existing anticancer agents.Type: GrantFiled: August 22, 2013Date of Patent: September 2, 2014Assignee: Astellas Pharma Inc.Inventors: Takahito Nakahara, Kentaro Yamanaka, Aya Kita, Hiroshi Koutoku