Patents Examined by Lisa Solomon
  • Patent number: 11731422
    Abstract: A liquid discharging head includes: individual channels; a first common liquid chamber provided commonly for the individual channels; and a second common liquid chamber provided commonly for the individual channels. Liquid is supplied from the first common liquid chamber to the individual channels and the liquid flows into the second common liquid chamber from the individual channels. Each of the individual channels has: a pressure chamber; a first channel; a nozzle connected to the first channel and configured to discharge the liquid; a second channel separated from the nozzle in a first direction and connecting the pressure chamber and the first channel; and a third channel connected to the first channel on a side opposite to the second channel in the first direction with the nozzle sandwiched between the third channel and the second channel.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: August 22, 2023
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Shotaro Kanzaki, Keita Sugiura
  • Patent number: 11712752
    Abstract: According to some examples in the disclosure, a method may comprise providing a first stream of discrete volumes of material; and directing a pulsed laser beam at a first discrete volume of material in the first stream of discrete volumes of material so as to interact with the first discrete volume of material and thereby displace the first discrete volume away from the first stream. An apparatus and a system are also disclosed.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: August 1, 2023
    Assignee: HP Indigo B.V.
    Inventors: Boaz Tagansky, Gil Fisher, Michael Plotkin, Mark Sandler, Albert Teishev
  • Patent number: 11712892
    Abstract: There is provided a head system including: a head; a first supply channel; and a first discharge channel. The head has two groups each including a manifold which extends in a first direction and a plurality of pressure chambers each connected to the manifold and a nozzle. The two groups include a first group and a second group arranged in a second direction intersecting the first direction. The first supply channel is connected to the one end of the manifold included in the first group, and is connected to the opposite end of the manifold included the second group. The first discharge channel is connected to the opposite end of the manifold included in the first group and is connected to the one end of the manifold included in the second group.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: August 1, 2023
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Itsuki Morimoto, Hirotoshi Ishizaki, Motohiro Tsuboi
  • Patent number: 11712894
    Abstract: A liquid jetting apparatus includes: individual channels; and a manifold commonly provided for the individual channels. Each of the individual channels has: a nozzle; a pressure chamber arranged away from the nozzle in a predetermined direction to extend along a plane orthogonal to the predetermined direction and connected to the manifold, a connecting channel connected to the pressure chamber to form at least a part of a channel communicating the pressure chamber and the nozzle, and a circulation channel connected to the connecting channel to form a part of a channel communicating the connecting channel and the pressure chamber. The connecting channel has a throttle, and the throttle has a smaller diameter along the plane orthogonal to the predetermined direction than a diameter, of a part of the connecting channel except the throttle, along the plane orthogonal to the predetermined direction.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: August 1, 2023
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Keita Sugiura
  • Patent number: 11712893
    Abstract: A liquid discharge head is provided, the liquid discharge head comprising a plurality of individual channels, a first manifold connected to the plurality of individual channels, a second manifold connected to the plurality of individual channels, and a bypass channel connecting the first manifold and the second manifold and being distinct from the individual channels. A flow channel resistance Rct brought about by the plurality of individual channels, a flow channel resistance Rbp of the bypass channel, a bending loss ?P provided when the liquid flows from the first manifold via the bypass channel to the second manifold, and a flow rate Q of the liquid flowing through the bypass channel fulfill a relationship of: 0.5<[Rct/(Rbp+(?P/Q))]<2.0.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: August 1, 2023
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Shotaro Kanzaki, Toru Kakiuchi, Takaaki Yoshino, Taisuke Mizuno, Jiro Yamamoto
  • Patent number: 11707429
    Abstract: An intracellular delivery device (1) including, a piezoelectric substrate (3) having a working surface (8), at least one interdigitated transducer (5) located on and in contact with the working surface (8), and a receptacle (11) located on the working surface for accommodating cells to be targeted for intracellular delivery therein, wherein an alternating signal applied to the interdigitated transducer generates acoustic wave energy through the piezoelectric substrate that can be transferred to the accommodated cells.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: July 25, 2023
    Assignee: ROYAL MELBOURNE INSTITUTE OF TECHNOLOGY
    Inventors: Shwathy Ramesan, Amgad Rezk, Leslie Yeo
  • Patent number: 11701886
    Abstract: A liquid ejection device includes: a nozzle through which a liquid is ejected; a liquid transfer tube through which the liquid is transferred to the nozzle; and a vibration generation unit configured to generate vibration, in which the vibration generation unit is in contact with one of the liquid, the nozzle, and the liquid transfer tube, and when the liquid ejected from the nozzle flies as a plurality of droplets in a state where the vibration generation unit does not generate vibration, and the number of the droplets passing through a predetermined position in a unit time is defined as a droplet frequency, a frequency of the vibration generated by the vibration generation unit is equal to or less than the droplet frequency.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: July 18, 2023
    Inventors: Hirokazu Sekino, Takeshi Seto, Hideki Kojima, Takahiro Matsuzaki, Yuji Saito
  • Patent number: 11697285
    Abstract: The head chip includes an actuator plate having ejection channels and non-ejection channels extending in a Y direction and arranged alternately in an X direction, an intermediate plate overlapped with the actuator plate in a Z direction, and provided with communication holes communicated with the ejection channels and through holes communicated with the non-ejection channels, and a nozzle plate overlapped with the intermediate plate in the Z direction in a state of closing the through holes, and provided with nozzle holes which are communicated with the communication holes, jet liquid contained in the ejection channels, and are formed at positions corresponding to the ejection channels. The non-ejection channels are communicated with an outside of the head chip. The through holes are each disposed at an inner side in the X direction of the inner surfaces extending in the Y direction of the non-ejection channel viewed from the Z direction.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: July 11, 2023
    Assignee: SII PRINTEK INC.
    Inventor: Satoshi Horiguchi
  • Patent number: 11691424
    Abstract: A liquid ejection head that includes ejection orifices and is configured by bonding a silicon substrate and a support substrate, flow passages which penetrate a bonding surface between the silicon substrate and the support substrate and through which different types of liquids flow. An in-partition wall space that is open to the bonding surface between the silicon substrate and the support substrate is formed in a partition wall for separating the flow passages. The internal pressure of the in-partition wall space is set to be lower than pressure of the liquid on each of the flow passages.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: July 4, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takayuki Kamimura, Michiko Johnson
  • Patent number: 11691416
    Abstract: An electric current based on electric charge produced on the piezoelectric body changes by going through a first path, a second path, a third path, and a fourth path in this order. On the first path, the electric current becomes larger as the voltage becomes higher. On the second path, the electric current becomes smaller as the voltage becomes higher. On the third path, the electric current becomes larger as the voltage becomes higher. On the fourth path, the electric current becomes smaller as the voltage becomes higher.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: July 4, 2023
    Inventors: Yasuaki Hamada, Shunsuke Yoshida, Yasuhiro Itayama, Toshihiro Shimizu, Masao Nakayama
  • Patent number: 11685155
    Abstract: A liquid ejecting apparatus includes a head unit that includes a nozzle that ejects a liquid, a control circuit that outputs a control signal that controls an operation of the head unit, a power supply circuit that supplies a power supply voltage to the head unit, and a liquid container that stores the liquid. The head unit includes a first terminal to which the control signal is input, a second terminal to which the power supply voltage is supplied, and a liquid supply port to which the liquid is supplied, the first terminal and the second terminal are located side by side along a first direction, and the second terminal is located between the first terminal and the liquid supply port in a second direction intersecting the first direction.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: June 27, 2023
    Inventors: Yusuke Matsumoto, Shunsuke Yamamichi
  • Patent number: 11685158
    Abstract: A liquid ejection head includes a supply manifold, a return manifold, a plurality of individual channels, and a connecting throttle channel. The supply manifold includes a supply port through which liquid is supplied from an exterior. The return manifold includes a return port through which liquid is discharged to the exterior. Each individual channel is connected, at an upstream end thereof, to the supply manifold and, at a downstream end thereof, to the return manifold. Each individual channel communicates with a corresponding one of nozzles and includes an individual throttle channel Through the connecting throttle channel, adjacent ones of the individual throttle channels communicate with each other. The connecting throttle channel has a channel resistance less than or equal to a channel resistance of each individual throttle channel.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: June 27, 2023
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Keita Hirai, Shohei Koide, Keita Sugiura, Hiroshi Katayama
  • Patent number: 11679586
    Abstract: There is provided a liquid discharge head including: a plurality of first individual channels; a first supply manifold; a first return manifold; a plurality of second individual channels; a second supply manifold; a second return manifold; and a first bypass channel communicating the first supply manifold and the second return manifold. The first bypass channel includes: a first supply connecting channel, a first return connecting channel, and a first connecting channel. Channel resistance in one of the first supply connecting channel and the first return connecting channel is greater than channel resistance in the first connecting channel.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: June 20, 2023
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Shotaro Kanzaki, Toru Kakiuchi, Takaaki Yoshino, Taisuke Mizuno, Jiro Yamamoto
  • Patent number: 11679588
    Abstract: A liquid discharging head includes: a first common channel, a second common channel; and individual channels. The individual channels have: nozzles aligned in a first direction; pressure chambers; descenders formed in a channel substrate arranged between a nozzle plate and a pressure chamber plate in a second direction orthogonal to the first direction; and a connecting channel. The connecting channel has: a first channel part formed in the nozzle plate, and a second channel part formed in the channel substrate, connected to the first channel part and having a length in the second direction which is shorter than that of the second common channel. The second common channel is formed in the channel substrate, overlaps with the descenders in a third direction orthogonal to both of the first direction and the second direction, and is partitioned from the descenders by a partition wall formed by the channel substrate.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: June 20, 2023
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Toru Kakiuchi
  • Patent number: 11673388
    Abstract: A plurality of head chips including: a nozzle plate having a plurality of nozzles configured to eject a liquid in a first direction, and a case having one or more first flow paths communicating with at least a part of the plurality of nozzles; a holder to which the plurality of head chips are fixed, which includes metal or ceramics, and which has a plurality of second flow paths communicating with at least one of the plurality of first flow paths; and a heater configured to heat the holder.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: June 13, 2023
    Inventors: Shingo Tomimatsu, Katsuhiro Okubo, Hiroki Kobayashi, Takahiro Kanegae
  • Patent number: 11673396
    Abstract: A liquid ejection head includes a print element substrate including multiple ejection openings, pressure chambers, a common flow path, and pumps, the pumps being configured to circulate liquid between the common flow path and the pressure chamber; and a flow path member laminated to the print element substrate. The flow path member includes a supply flow path and a collection flow path, the supply flow path being configured to supply liquid to the print element substrate, and the collection flow path being configured to collect liquid that is not ejected. The supply flow path and the collection flow path have liquid connection with the same common flow path. A circulating pump generates a flow of liquid flowing in an order of the supply flow path, the common flow path, and the collection flow path, the circulating pump being provided at a position different from the print element substrate.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: June 13, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuhiro Yamada, Yoshiyuki Nakagawa, Toru Nakakubo, Ryo Kasai, Takuro Yamazaki
  • Patent number: 11673390
    Abstract: There is provided a head system including a head; a supply channel; and a discharge channel. The head has four groups each including a manifold extending in a first direction. The four groups include a first to fourth groups arranged in a second direction intersecting the first direction. The supply channel is connected to the one end of the manifold included in each of two groups and is connected to the opposite end of the manifold included in each of remaining two groups, the two groups constituting a group A and the remaining two groups constituting a group B. The discharge channel is connected to the opposite end of the manifold included in each of the two groups constituting the group A and is connected to the one end of the manifold included in each of the two groups constituting the group B.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: June 13, 2023
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hirotoshi Ishizaki, Itsuki Morimoto
  • Patent number: 11660865
    Abstract: An Inkjet printer includes a substrate on a stage. A print head unit is positioned above the stage and discharges an ink on the substrate. The print head unit includes a manifold for guiding movement of the ink in a first direction therein. A head block is under the manifold and includes a plurality of channels connected to the manifold and piezoelectric elements adjacent to the channels to discharge the ink through the channels. A nozzle unit is under the head block and includes nozzles corresponding to the channels. A dispersion plate is between the manifold and the head block and disperses the ink in a second direction intersecting the first direction to supply the ink to the head block. Resistance plates are between the dispersion plate and the head block, are formed parallel substantially to the second direction, and prevent the ink from flowing in the first direction.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: May 30, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyong Sub Kim, Geun Tak Kim, Jae Hoon Kim
  • Patent number: 11660863
    Abstract: A manifold component for a droplet ejection head, the manifold component comprising: a mount for receiving an actuator component that provides one or more rows of fluid chambers, each chamber being provided with a respective at least one actuating element and a respective at least one nozzle, the at least one actuating element for each chamber being actuable to eject a droplet of fluid in an ejection direction through the corresponding at least one nozzle, each row extending in a row direction; a manifold chamber, which extends from a first end to a second end, and widens from said first end to said second end, the second end providing fluidic connection, in parallel, to at least a group of chambers within said one or more rows and being located adjacent said mount; and at least one port, each port opening into the manifold chamber at the first end thereof; wherein at least one portion between the first end and second end of the manifold chamber is shaped as a hyperbolic acoustic horn.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: May 30, 2023
    Assignee: Xaar Technology Limited
    Inventors: Sebastien Roger Gabriel Degraeve, Colin Brook
  • Patent number: 11660864
    Abstract: A liquid discharging head is provided with: individual channels; a first common channel; and a second common channel. The individual channels include: first individual channels which have first pressure chambers and which are aligned in a second direction to form a first individual channel array, and second individual channels which have second pressure chambers and which are aligned in the second direction to form a second individual channel array; the first individual channel array and the second individual channel array are arranged in a third direction. The first common channel communicates with both of the first individual channels and the second individual channels; and the first pressure chambers and the second pressure chambers do not overlap with the second common channel in a first direction, and do not overlap with each other in the second direction.
    Type: Grant
    Filed: June 11, 2021
    Date of Patent: May 30, 2023
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Hiroshi Katayama, Shotaro Kanzaki, Jiro Yamamoto, Keita Sugiura, Taisuke Mizuno