Patents by Inventor Masayuki Eguchi

Masayuki Eguchi 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: 20210313302
    Abstract: A method of manufacturing a surface light source includes providing an intermediate structure body that includes a composite board including a supporting member and a wiring layer disposed on the supporting member and includes a plurality of light-emitting elements disposed apart from each other on the wiring layer of the composite board, disposing a plurality of covering members apart from each other to cover upper surfaces and lateral surfaces of the light-emitting elements and portions of the composite board around the light-emitting elements, disposing a light-shielding member such that a gap between the covering members is filled, removing the covering members to form a plurality of hole portions, and disposing a light-transmissive member in the hole portions.
    Type: Application
    Filed: March 31, 2021
    Publication date: October 7, 2021
    Applicant: NICHIA CORPORATION
    Inventors: Katsuyoshi KADAN, So SAKAMAKI, Masayuki EGUCHI
  • Patent number: 9248659
    Abstract: A filter unit including a liquid flow path through which ink flows and a filter chamber which forms a portion of the liquid flow path and is filled with a pressurized ink includes a filter unit main body and a second cover member which include the liquid flow path and form the filter chamber; and a filter which is disposed within the filter chamber, the second cover member being provided with a protruding portion in a region which opposes the filter, and the protruding portion being provided between a supply port of the ink which is supplied to the filter chamber and a discharge port of the ink which is discharged from the filter chamber in plan view in relation to the filter.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: February 2, 2016
    Assignee: Seiko Epson Corporation
    Inventors: Hiroyuki Ishii, Hiroyuki Hagiwara, Masayuki Eguchi
  • Patent number: 9085149
    Abstract: A flange portion is provided with two abutting protrusions, a spacer is formed with two abutting projections, the respective abutting protrusions and the abutting projections are formed on the outside of a tightening point tightened by a tightening member (a spacer fixing bolt and a spacer fixing nut) in the width direction orthogonal to an imaginary line connecting the tightening points of the flange portions on both sides, and a gap G is formed between the flange portion and the spacer at the tightening point (an opening limb portion of a spacer mounting hole and an insertion hole limb portion of a head insertion hole) before being tightened by the tightening member, while the flange portion and the spacer come into abutment with each other at the tightening point after having tightened in a state in which the abutting protrusions and the abutting protrusions come into abutment with each other.
    Type: Grant
    Filed: August 17, 2011
    Date of Patent: July 21, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Hiroyuki Hagiwara, Masayuki Eguchi, Kimiyasu Otsuki, Masanori Mochizuki
  • Publication number: 20150183225
    Abstract: A filter unit including a liquid flow path through which ink flows and a filter chamber which forms a portion of the liquid flow path and is filled with a pressurized ink includes a filter unit main body and a second cover member which include the liquid flow path and form the filter chamber; and a filter which is disposed within the filter chamber, the second cover member being provided with a protruding portion in a region which opposes the filter, and the protruding portion being provided between a supply port of the ink which is supplied to the filter chamber and a discharge port of the ink which is discharged from the filter chamber in plan view in relation to the filter.
    Type: Application
    Filed: December 22, 2014
    Publication date: July 2, 2015
    Inventors: Hiroyuki ISHII, Hiroyuki Hagiwara, Masayuki Eguchi
  • Publication number: 20140290228
    Abstract: A holding sealing material for an exhaust gas purifying apparatus includes a mat and a heater. The mat includes inorganic fibers. The heater is disposed on either one of main surfaces of the mat. An exhaust gas purifying apparatus includes a casing, an exhaust gas treating body, and a holding sealing material. The exhausted gas treating body is canned in the casing. The holding sealing material is wound around the exhaust gas treating body and disposed between the exhaust gas treating body and the casing. The holding sealing material includes a mat including inorganic fibers, and a heater disposed between the mat and the exhaust gas treating body.
    Type: Application
    Filed: March 25, 2014
    Publication date: October 2, 2014
    Applicant: IBIDEN CO., LTD.
    Inventors: Yuya SUGIURA, Masayuki EGUCHI, Masashi HAGINO
  • Patent number: 8820886
    Abstract: A liquid discharging head includes a liquid discharging head that has a nozzle plate on which a nozzle is formed, a cover that is provided at a periphery of the nozzle plate, and a liquid repellent film that are provided on surfaces of the nozzle plate and the cover which are opposed to a discharge target. In the liquid discharging head, a recess defined by the cover and the nozzle plate is filled with a filler and inner surfaces of the recess are covered by the filler.
    Type: Grant
    Filed: March 25, 2013
    Date of Patent: September 2, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Masayuki Eguchi, Shigeki Suzuki, Hiroshige Owaki
  • Patent number: 8668306
    Abstract: A liquid ejecting head including: a head unit having a nozzle forming surface on which a plurality of rows of nozzles ejecting a liquid are arranged and of which the nozzle forming surface is wiped by a wiping member along an arrangement direction of the nozzle rows; and a fixing member, wherein the fixing member has a fixing plate section on which an exposure opening section exposing the nozzles of the nozzle forming surface is formed and of which an upper surface is joined to the nozzle forming surface as a fixing reference surface in a state where the nozzle is exposed into the exposure opening section, and a cutout section, which opens the exposure opening section in the wiping direction and exposes an edge portion of the nozzle forming surface, is formed downstream of the wiping member in the wiping direction in the exposure opening section.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: March 11, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Masayuki Eguchi, Shigeki Suzuki
  • Patent number: 8616681
    Abstract: A recording head includes flange portions to which spacers are anchored on both sides of the recording head with a head case therebetween. Spacer attachment holes are provided in the flange portions in the center of the width direction orthogonal to a nozzle row in the recording head, and a round hole and an oblong hole relative to the spacers are provided in the flange portions in positions that are distanced from a center line in the width direction. Positioning holes for the flange portions are provided in the spacers in positions that correspond to the round hole and the oblong hole in the flange portions, and the spacers are anchored to the flange portions on both sides so as to be oriented symmetrically to each other, in a positioned state in which the positions of the positioning holes are aligned with the round hole and the oblong hole.
    Type: Grant
    Filed: October 13, 2011
    Date of Patent: December 31, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Hiroyuki Hagiwara, Masayuki Eguchi
  • Publication number: 20130342605
    Abstract: A liquid discharging head includes a liquid discharging head that has a nozzle plate on which a nozzle is formed, a cover that is provided at a periphery of the nozzle plate, and a liquid repellent film that are provided on surfaces of the nozzle plate and the cover which are opposed to a discharge target. In the liquid discharging head, a recess defined by the cover and the nozzle plate is filled with a filler and inner surfaces of the recess are covered by the filler.
    Type: Application
    Filed: March 25, 2013
    Publication date: December 26, 2013
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Masayuki Eguchi, Shigeki Suzuki, Hiroshige Owaki
  • Patent number: 8533950
    Abstract: The present invention relates to a holding and sealing material 2 set between a catalyst carrier 1 and a shell 95 which covering the outside of the catalyst carrier 1 in a catalytic converter for purifying an exhaust gas and manufacturing method thereof. An organic binder 22 on the holding and sealing material 2 has the glass transition point Tg (° c) of less than or equal to approximately 5° C. In addition, an infiltrating step and a drying step are conducted during the manufacturing. In the infiltrating step, the mat-like material is infiltrated with emulsion containing the organic binder. In the drying step, the mat-like material containing the emulsion is dried.
    Type: Grant
    Filed: October 24, 2008
    Date of Patent: September 17, 2013
    Assignee: Ibiden Co., Ltd.
    Inventor: Masayuki Eguchi
  • Patent number: 8491093
    Abstract: A liquid ejecting head unit includes a liquid ejecting head having a nozzle forming surface provided with nozzle rows consisting of several rows of nozzles for ejecting liquid; and a head fixing member to which the liquid ejecting head is fixed with an intermediate member therebetween. The liquid ejecting head has an intermediate-member fixing portion to which the intermediate member is fixed. The intermediate member has a head-fixing-member bonding surface to be securely bonded to an intermediate-member bonding surface of the head fixing member with adhesive. The head-fixing-member bonding surface has a chamfered portion along at least a portion of an outer edge thereof, the chamfered portion being provided such that the distance from the intermediate-member bonding surface gradually increases from the inner side toward the outer side of the head-fixing-member bonding surface.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: July 23, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Hiroyuki Hagiwara, Masayuki Eguchi, Kimiyasu Otsuki, Masanori Mochizuki
  • Patent number: 8465127
    Abstract: A recording head includes flange portions to which spacers are anchored on both sides of the recording head with a head case therebetween. Spacer attachment holes are provided in the flange portions in the center of the width direction orthogonal to a nozzle row in the recording head, and a round hole and an oblong hole relative to the spacers are provided in the flange portions in positions that are distanced from a center line in the width direction. Positioning holes for the flange portions are provided in the spacers in positions that correspond to the round hole and the oblong hole in the flange portions, and the spacers are anchored to the flange portions on both sides so as to be oriented symmetrically to each other, in a positioned state in which the positions of the positioning holes are aligned with the round hole and the oblong hole.
    Type: Grant
    Filed: October 13, 2011
    Date of Patent: June 18, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Hiroyuki Hagiwara, Masayuki Eguchi
  • Patent number: 8388899
    Abstract: An exhaust gas purifying apparatus includes an exhaust gas treating body, a metal casing, and a holding sealing material. The exhaust gas treating body has a longitudinal direction and includes cell walls extending along the longitudinal direction to define cells between the cells. The metal casing has an inner surface and houses the exhaust gas treating body to face the inner surface. The holding sealing material is provided between the exhaust gas treating body and the inner surface of the metal casing to hold the exhaust gas treating body in the metal casing. The holding sealing material includes an inorganic fiber aggregated body. The metal casing has a corrosion area at least on a part of the inner surface. The corrosion area includes a corroded base material of the metal casing.
    Type: Grant
    Filed: March 16, 2010
    Date of Patent: March 5, 2013
    Assignee: Ibiden Co., Ltd.
    Inventors: Kenichi Mitani, Masayuki Eguchi, Tatsunari Yanagisawa
  • Patent number: 8388788
    Abstract: A method of winding a holding sealing material includes providing a mat-shaped holding sealing material including inorganic fibers. An exhaust gas treating body is provided having cell walls extending along a longitudinal direction of the exhaust gas treating body to define cells. The mat-shaped holding sealing material is wound around an outer peripheral portion of the exhaust gas treating body to form multiple layers including a first layer and a second layer wound around the first layer. Each of the multiple layers is shifted along the longitudinal direction in a winding order such that the first layer is placed closer to one end face of the exhaust gas treating body than the second layer. A shift between the first layer and the second layer is from about 0.15% to about 15% of a length in a width direction of the holding sealing material.
    Type: Grant
    Filed: March 18, 2010
    Date of Patent: March 5, 2013
    Assignee: Ibiden Co., Ltd.
    Inventors: Mitsunori Yoshimi, Masayuki Eguchi, Yasuhiro Tsuchimoto
  • Patent number: 8268256
    Abstract: A holding sealing material includes mats which have a longitudinal direction and first and second longer side faces along the longitudinal direction and which include a lower mat and an upper mat laminated on the lower mat. A length of the lower mat in the longitudinal direction is longer than a length of the upper mat in the longitudinal direction. Each of the mats is connected to each other at a fixed portion which extends substantially along a width direction perpendicular to the longitudinal direction. The fixed portion has first and second end portions in the width direction. The first end portion is on a side of the first longer side face. The second end portion is on a side of the second longer side face. The first and second end portions are spaced apart from the first and second longer side face, respectively.
    Type: Grant
    Filed: April 16, 2009
    Date of Patent: September 18, 2012
    Assignee: Ibiden Co., Ltd.
    Inventors: Mitsunori Yoshimi, Masayuki Eguchi, Yasuhiro Tsuchimoto
  • Patent number: 8268255
    Abstract: A holding sealing material includes a plurality of mats. The plurality of mats have a longitudinal direction and include a lower mat and an upper mat laminated on the lower mat. Each of the plurality of mats includes inorganic fibers and has a substantially rectangular shape. A length of the lower mat in the longitudinal direction is longer than a length of the upper mat in the longitudinal direction. Each of the plurality of mats is connected to each other at at least two fixed portions. The at least two fixed portions are positioned at different positions in the longitudinal direction.
    Type: Grant
    Filed: April 16, 2009
    Date of Patent: September 18, 2012
    Assignee: Ibiden Co., Ltd.
    Inventors: Mitsunori Yoshimi, Masayuki Eguchi, Yasuhiro Tsuchimoto
  • Publication number: 20120147093
    Abstract: A liquid ejecting head unit includes a liquid ejecting head having a nozzle forming surface provided with nozzle rows consisting of several rows of nozzles for ejecting liquid; and a head fixing member to which the liquid ejecting head is fixed with an intermediate member therebetween. The liquid ejecting head has an intermediate-member fixing portion to which the intermediate member is fixed. The intermediate member has a head-fixing-member bonding surface to be securely bonded to an intermediate-member bonding surface of the head fixing member with adhesive. The head-fixing-member bonding surface has a chamfered portion along at least a portion of an outer edge thereof, the chamfered portion being provided such that the distance from the intermediate-member bonding surface gradually increases from the inner side toward the outer side of the head-fixing-member bonding surface.
    Type: Application
    Filed: December 8, 2011
    Publication date: June 14, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Hiroyuki Hagiwara, Masayuki Eguchi, Kimiyasu Otsuki, Masanori Mochizuki
  • Publication number: 20120092415
    Abstract: A recording head includes flange portions to which spacers are anchored on both sides of the recording head with a head case therebetween. Spacer attachment holes are provided in the flange portions in the center of the width direction orthogonal to a nozzle row in the recording head, and a round hole and an oblong hole relative to the spacers are provided in the flange portions in positions that are distanced from a center line in the width direction. Positioning holes for the flange portions are provided in the spacers in positions that correspond to the round hole and the oblong hole in the flange portions, and the spacers are anchored to the flange portions on both sides so as to be oriented symmetrically to each other, in a positioned state in which the positions of the positioning holes are aligned with the round hole and the oblong hole.
    Type: Application
    Filed: October 13, 2011
    Publication date: April 19, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Hiroyuki Hagiwara, Masayuki Eguchi
  • Publication number: 20120044307
    Abstract: A flange portion is provided with two abutting protrusions, a spacer is formed with two abutting projections, the respective abutting protrusions and the abutting projections are formed on the outside of a tightening point tightened by a tightening member (a spacer fixing bolt and a spacer fixing nut) in the width direction orthogonal to an imaginary line connecting the tightening points of the flange portions on both sides, and a gap G is formed between the flange portion and the spacer at the tightening point (an opening limb portion of a spacer mounting hole and an insertion hole limb portion of a head insertion hole) before being tightened by the tightening member, while the flange portion and the spacer come into abutment with each other at the tightening point after having tightened in a state in which the abutting protrusions and the abutting protrusions come into abutment with each other.
    Type: Application
    Filed: August 17, 2011
    Publication date: February 23, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Hiroyuki Hagiwara, Masayuki Eguchi, Kimiyasu Otsuki, Masanori Mochizuki
  • Publication number: 20100239468
    Abstract: An exhaust gas purifying apparatus includes an exhaust gas treating body, a metal casing, and a holding sealing material. The exhaust gas treating body has a longitudinal direction and includes cell walls extending along the longitudinal direction to define cells between the cells. The metal casing has an inner surface and houses the exhaust gas treating body to face the inner surface. The holding sealing material is provided between the exhaust gas treating body and the inner surface of the metal casing to hold the exhaust gas treating body in the metal casing. The holding sealing material includes an inorganic fiber aggregated body. The metal casing has a corrosion area at least on a part of the inner surface. The corrosion area includes a corroded base material of the metal casing.
    Type: Application
    Filed: March 16, 2010
    Publication date: September 23, 2010
    Applicant: IBIDEN CO., LTD.
    Inventors: Kenichi MITANI, Masayuki Eguchi, Tatsunari Yanagisawa