Patents by Inventor Hidehiro Yoshida
Hidehiro Yoshida 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: 11383540Abstract: A printing unit includes a plurality of ink jet parts and an X-axis linear motion mechanism that moves each of the plurality of ink jet parts in the same main scanning direction. The X-axis linear motion mechanism moves the ink jet part involved in printing the workpiece among the plurality of ink jet parts so as to face the surface of the workpiece and moves the remaining ink jet part on the one X-axis linear motion mechanism so as to retreat from the surface of the workpiece. As a result, a printing apparatus that is capable of printing accurately onto the workpiece having a three-dimensional curved surface is provided.Type: GrantFiled: November 19, 2020Date of Patent: July 12, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Ryoji Hyuga, Takayuki Abe, Hidehiro Yoshida, Tohru Nakagawa, Makoto Okazaki
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Patent number: 11312136Abstract: An ink jet head includes a piezoelectric element that is driven in a d33 mode, a pressure generation chamber in which a pressure is generated by the piezoelectric element, and an individual ink supply flow passage that through which the ink is supplied to the pressure generation chamber. The ink jet head includes an individual ink discharge flow passage that through which the ink is discharged from the pressure generation chamber, and a nozzle that ejects the ink from the pressure generation chamber. In a cross-sectional view in a direction orthogonal to an arrangement direction of the nozzle, inner diameters of the pressure generation chamber, the individual ink supply flow passage, and the individual ink discharge flow passage are shorter on a part close to the nozzle than a part close to the piezoelectric element side. Accordingly, an ink jet head capable of ejecting high-viscosity ink can be provided.Type: GrantFiled: March 8, 2021Date of Patent: April 26, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Kazunobu Irie, Hidehiro Yoshida, Shuhei Nakatani, Futoshi Ohtsuka, Yousuke Toyofuku
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Patent number: 11279133Abstract: The ink jet device is provided with a plurality of ink jet heads including a plurality of nozzles disposed linearly with each other at intervals in a predetermined longitudinal direction and ejecting ink in different regions each other in the printing width direction; and a position adjusting mechanism performing rotating operation of changing the intervals in the printing width direction of the nozzles by rotating the plurality of ink jet heads around an axis perpendicular to the print surface of the print object, and performing a shifting operation of shifting at least one of the plurality of ink jet heads in the printing width direction.Type: GrantFiled: September 22, 2020Date of Patent: March 22, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Hidehiro Yoshida, Yousuke Toyofuku, Kentaro Kumazawa
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Publication number: 20210291521Abstract: An ink jet head includes a piezoelectric element that is driven in a d33 mode, a pressure generation chamber in which a pressure is generated by the piezoelectric element, and an individual ink supply flow passage that through which the ink is supplied to the pressure generation chamber. The ink jet head includes an individual ink discharge flow passage that through which the ink is discharged from the pressure generation chamber, and a nozzle that ejects the ink from the pressure generation chamber. In a cross-sectional view in a direction orthogonal to an arrangement direction of the nozzle, inner diameters of the pressure generation chamber, the individual ink supply flow passage, and the individual ink discharge flow passage are shorter on a part close to the nozzle than a part close to the piezoelectric element side. Accordingly, an ink jet head capable of ejecting high-viscosity ink can be provided.Type: ApplicationFiled: March 8, 2021Publication date: September 23, 2021Inventors: KAZUNOBU IRIE, HIDEHIRO YOSHIDA, SHUHEI NAKATANI, FUTOSHI OHTSUKA, YOUSUKE TOYOFUKU
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Publication number: 20210170769Abstract: A printing unit includes a plurality of ink jet parts and an X-axis linear motion mechanism that moves each of the plurality of ink jet parts in the same main scanning direction. The X-axis linear motion mechanism moves the ink jet part involved in printing the workpiece among the plurality of ink jet parts so as to face the surface of the workpiece and moves the remaining ink jet part on the one X-axis linear motion mechanism so as to retreat from the surface of the workpiece. As a result, a printing apparatus that is capable of printing accurately onto the workpiece having a three-dimensional curved surface is provided.Type: ApplicationFiled: November 19, 2020Publication date: June 10, 2021Inventors: RYOJI HYUGA, TAKAYUKI ABE, HIDEHIRO YOSHIDA, TOHRU NAKAGAWA, MAKOTO OKAZAKI
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Publication number: 20210167147Abstract: A light emitting device includes a first bank that partitions pixel regions, a second bank that is disposed above the first bank and defines the pixel regions, and a light emitting layer disposed in each of the pixel regions surrounded by the first bank or the second bank. In the light emitting device, at least one of the first bank and the second bank has a communicator via which two or more of the pixel regions including light emitting layers with a same color communicate with each other. Consequently, there are provided the light emitting device capable of improving the wettability with ink at the ends of the first bank and the second bank and thus suppressing a short circuit between an anode and a cathode and a display panel having the same.Type: ApplicationFiled: November 4, 2020Publication date: June 3, 2021Inventors: SHUHEI NAKATANI, HIDEHIRO YOSHIDA, KAZUNOBU IRIE
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Publication number: 20210094293Abstract: The ink jet device is provided with a plurality of ink jet heads including a plurality of nozzles disposed linearly with each other at intervals in a predetermined longitudinal direction and ejecting ink in different regions each other in the printing width direction; and a position adjusting mechanism performing rotating operation of changing the intervals in the printing width direction of the nozzles by rotating the plurality of ink jet heads around an axis perpendicular to the print surface of the print object, and performing a shifting operation of shifting at least one of the plurality of ink jet heads in the printing width direction.Type: ApplicationFiled: September 22, 2020Publication date: April 1, 2021Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Hidehiro YOSHIDA, Yousuke TOYOFUKU, Kentaro KUMAZAWA
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Patent number: 10913088Abstract: A liquid-coating apparatus includes: (a) a nozzle hole from which a liquid material is to be discharged; (b) a supply flow channel configured to supply the liquid material to the nozzle hole; (c) a plunger configured to reciprocate in contact with the liquid material inside the supply flow channel; (d) a displacement-expansion mechanism configured to displace the plunger; and (e) an actuator configured to displace the displacement-expansion mechanism, wherein at least one of a contact part of the displacement-expansion mechanism and a contact part of the actuator has a curved surface.Type: GrantFiled: July 20, 2018Date of Patent: February 9, 2021Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Kazuki Fukada, Tohru Nakagawa, Hidehiro Yoshida
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Publication number: 20200179919Abstract: A liquid discharge device includes a nozzle from which liquid drops are discharged, a fixing part for fixing the nozzle, and a driving part generating displacement, in which the nozzle is fixed to a first holding part in the driving part and a second holding part in the fixing part.Type: ApplicationFiled: February 13, 2020Publication date: June 11, 2020Inventors: KENICHI YAMAMOTO, TOHRU NAKAGAWA, HIDEHIRO YOSHIDA, FUTOSHI OHTSUKA
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Publication number: 20200086640Abstract: A liquid discharge device is used that includes: a nozzle having a first holding part and a second holding part and for discharging a liquid droplet; a base to which the nozzle is attached; a fixing part for fixing the nozzle to the base; and a drive part that creates displacement in the nozzle. The drive part holds at least one of the first holding part and the second holding part. Whichever of the first holding part and the second holding part that is not held by the drive part is held by the fixing part.Type: ApplicationFiled: September 29, 2017Publication date: March 19, 2020Inventors: KENICHI YAMAMOTO, TOHRU NAKAGAWA, HIDEHIRO YOSHIDA
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Publication number: 20190299485Abstract: [Object] To provide a method of performing deformation processing on a ceramic at a low temperature in a short time, and an apparatus therefor. [Solving Means] The method of performing deformation processing on a ceramic according to the present invention includes: a step of heating the ceramic within a temperature range of more than 700° C. and not more than 1400° C.; a step of applying a voltage to the heated ceramic; and a step of applying a stress to the heated ceramic to which the voltage has been applied.Type: ApplicationFiled: November 14, 2017Publication date: October 3, 2019Inventors: HIDEHIRO YOSHIDA, YAMATO SASAKI
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Publication number: 20190047015Abstract: An displacement-expansion mechanism and a liquid-coating apparatus including the same can achieve high-speed and stable control of coating of high-viscosity liquid materials. The liquid-coating apparatus, includes: (a) a nozzle hole from which a liquid material is discharged; (b) a supply flow channel that supplies the liquid material to the nozzle hole; (c) a plunger that reciprocates in contact with the liquid material inside the supply flow channel; (d) a displacement-expansion mechanism that displaces the plunger; and (e) an actuator that displaces the displacement-expansion mechanism, wherein at least either of contact parts of the displacement-expansion mechanism and the actuator has a curved surface.Type: ApplicationFiled: July 20, 2018Publication date: February 14, 2019Inventors: KAZUKI FUKADA, TOHRU NAKAGAWA, HIDEHIRO YOSHIDA
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Patent number: 10112389Abstract: In a common chamber (102) for distributing, to respective pressure chambers (211), an ink supplied from the ink inlet (101), resistant walls (111) are provided in areas that are located ahead and behind of the flow of the ink, i.e., areas around inlets of flow channels (221) that lead to respective pressure chambers (211), and any resistance against the flow of the ink is generated according to the heights of the resistant walls (111), thereby capturing a solid ingredient (150) included in the ink. In this case, by adjusting the heights of the resistant walls (111) to control capabilities of introducing the solid ingredient (150), it becomes possible to dispense desired amounts of the solid ingredient (150) to the respective pressure chamber (211).Type: GrantFiled: June 24, 2015Date of Patent: October 30, 2018Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Kenichi Yamamoto, Kazuki Fukada, Tohru Nakagawa, Kazunobu Irie, Takeshi Kita, Hidehiro Yoshida
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Patent number: 9855747Abstract: An inkjet head, includes: a pressure chamber communicating with an ink flow channel; a diaphragm linked to the pressure chamber; a piezoelectric element linked to the diaphragm; a nozzle communicating with the pressure chamber; and a vibrating mechanism placed in the ink flow channel and vibrates a supplied ink. Further provided is an inkjet device, including: the above inkjet head; a holding unit that holds a coating object; a moving mechanism that causes relative movement between the inkjet head and the holding unit; and a control unit that controls the inkjet head, the holding unit, and the moving mechanism.Type: GrantFiled: September 4, 2015Date of Patent: January 2, 2018Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Hidehiro Yoshida, Kazuki Fukada, Kenichi Yamamoto, Takeshi Kita
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Patent number: 9812516Abstract: A display panel including: a substrate; and a plurality of line banks arranged along a specific direction on the substrate, wherein the line banks are each formed of plural line segments connected to one another end to end, and each have a periodic structure.Type: GrantFiled: May 22, 2015Date of Patent: November 7, 2017Assignee: JOLED INC.Inventor: Hidehiro Yoshida
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Publication number: 20170203567Abstract: An inkjet head, includes: a pressure chamber communicating with an ink flow channel; a diaphragm linked to the pressure chamber; a piezoelectric element linked to the diaphragm; a nozzle communicating with the pressure chamber; and a vibrating mechanism placed in the ink flow channel and vibrates a supplied ink. Further provided is an inkjet device, including: the above inkjet head; a holding unit that holds a coating object; a moving mechanism that causes relative movement between the inkjet head and the holding unit; and a control unit that controls the inkjet head, the holding unit, and the moving mechanism.Type: ApplicationFiled: September 4, 2015Publication date: July 20, 2017Inventors: HIDEHIRO YOSHIDA, KAZUKI FUKADA, KENICHI YAMAMOTO, TAKESHI KITA
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Publication number: 20170200772Abstract: A substrate includes: a first panel region which includes a plurality of first cells disposed on the substrate which is a single substrate; a second panel region which includes a plurality of second cells disposed on the substrate and is different in size from the first panel region; a first dummy cell which has a same shape as a shape of the plurality of second cells and is disposed at a portion of an external surrounding area of the first panel region; and a second dummy cell which has a same shape as a shape of the plurality of first cells and is disposed at a portion of an external surrounding area of the second panel region.Type: ApplicationFiled: May 22, 2015Publication date: July 13, 2017Inventor: Hidehiro YOSHIDA
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Publication number: 20170120587Abstract: In a common chamber (102) for distributing, to respective pressure chambers (211), an ink supplied from the ink inlet (101), resistant walls (111) are provided in areas that are located ahead and behind of the flow of the ink, i.e., areas around inlets of flow channels (221) that lead to respective pressure chambers (211), and any resistance against the flow of the ink is generated according to the heights of the resistant walls (111), thereby capturing a solid ingredient (150) included in the ink. In this case, by adjusting the heights of the resistant walls (111) to control capabilities of introducing the solid ingredient (150), it becomes possible to dispense desired amounts of the solid ingredient (150) to the respective pressure chamber (211).Type: ApplicationFiled: June 24, 2015Publication date: May 4, 2017Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: KENICHI YAMAMOTO, KAZUKI FUKADA, TOHRU NAKAGAWA, KAZUNOBU IRIE, TAKESHI KITA, HIDEHIRO YOSHIDA
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Publication number: 20160240596Abstract: A display panel including: a substrate; and a plurality of line banks arranged along a specific direction on the substrate, wherein the line banks are each formed of plural line segments connected to one another end to end, and each have a periodic structure.Type: ApplicationFiled: May 22, 2015Publication date: August 18, 2016Applicant: JOLED INC.Inventor: Hidehiro YOSHIDA
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Patent number: 9240435Abstract: Disclosed is a coated type organic EL display wherein the light extraction efficiencies of all organic light-emitting elements are improved even when the organic light-emitting elements have different organic light-emitting layers for respective emission colors. Specifically disclosed is an organic EL display which comprises a substrate, a red organic light-emitting element (R), a green organic light-emitting element (G), and a blue organic light-emitting element (B), said organic light-emitting elements being arranged on the substrate. Each of the organic light-emitting elements has a pixel electrode that is a reflective electrode, a functional layer that is formed on the pixel electrode by coating, an organic light-emitting layer that is arranged on the functional layer, a counter electrode that is a transparent electrode arranged on the organic light-emitting layer, and a tapered bank that defines the functional layer formed by coating.Type: GrantFiled: May 18, 2010Date of Patent: January 19, 2016Assignee: JOLED INCInventors: Hidehiro Yoshida, Kenji Okumoto, Tsuneyuki Ejima, Shuhei Nakatani