Patents by Inventor Masaru Ohnishi

Masaru Ohnishi 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: 20160016421
    Abstract: An aim is to provide a technique for obtaining a higher quality print image by reducing a banding caused upon printing using a printing head having nozzle rows. As a solution, an activated nozzle row is reselected each time when the activated nozzle row has discharged ink for a preset number of times, and in each scan, an interval by which the activated nozzle row discharges ink in a main scanning direction is set to be an integer multiple of a resolution of an image to be printed on a print medium in the main scanning direction.
    Type: Application
    Filed: March 7, 2014
    Publication date: January 21, 2016
    Inventors: Masaru OHNISHI, Kousuke MURAI
  • Patent number: 9221278
    Abstract: An ink jet recording apparatus is provided and includes: a carriage on which a recording head for discharging ink droplets onto the recording medium is mounted and that moves relative to the recording medium; a platen that supports the recording medium at a predetermined position; and heating means for heating the recording medium, in which heating means includes a platen heater that is mounted on the platen and heats the recording medium from a lower side of the recording medium, a carriage heater that is mounted on the carriage and heats the recording medium from an upper side of the recording medium, and an upper heater that is disposed on a downstream side of the carriage in a moving direction of the recording medium and heats the recording medium from the upper side of the recording medium.
    Type: Grant
    Filed: February 19, 2013
    Date of Patent: December 29, 2015
    Assignee: MIMAKI ENGINEERING CO., LTD.
    Inventor: Masaru Ohnishi
  • Publication number: 20150343796
    Abstract: The invention has an object to provide a high-quality print. To achieve the object, an inkjet printing device (100) includes: a transferring roller, a print-heater (6) for heating a medium (20); and an after-heater (7) for heating an ink, wherein the device has a plurality of inkjet heads, and the plurality of inkjet heads discharges inks in different colors and are aligned along a direction of transfer of the medium.
    Type: Application
    Filed: December 16, 2013
    Publication date: December 3, 2015
    Inventor: MASARU OHNISHI
  • Publication number: 20150344710
    Abstract: The object is to provide an ink advantageous in that an ink film thereby formed excels in strength and adhesiveness to print media. To achieve the object, an ink according to the present invention includes: a disperse solvent; first binder resin particles (1) containing a coloring agent (3) and emulsified or suspended in the disperse solvent; and second binder resin particles (2) emulsified or suspended in the disperse solvent, wherein the second binder resin particles (2) have an average particle size smaller than an average particle size of the first binder resin particles (1).
    Type: Application
    Filed: December 20, 2013
    Publication date: December 3, 2015
    Inventor: Masaru OHNISHI
  • Publication number: 20150336388
    Abstract: The object is to reliably remove dirt and/or stains on the nozzle surface of a printer head. To accomplish the object, an inkjet printing device (100) is provided with a rotating brush (50) in a cap (103) mounted on a printer head (1), and a piezoelectric element (150) disposed on the side wall of the cap (103). The piezoelectric element (150) is ultrasonically vibrated at a predetermined frequency by means of a controller (20) and a power source (9). The ultrasonic vibration is transmitted into a cleaning solution in the cap (103) to remove dirt and/or stains adhered to a nozzle surface (3a). The rotating brush (50) is rotated by a motor, and its bristles (53) are vibrated by the ultrasonic vibration. Accordingly, dirt and/or stains on the nozzle surface (3a) are mechanically removed.
    Type: Application
    Filed: November 22, 2013
    Publication date: November 26, 2015
    Applicant: Mimaki Engineering Co., Ltd.
    Inventor: MASARU OHNISHI
  • Patent number: 9193168
    Abstract: A replaceable ink container of an ink supply device includes an opening plug for plugging an insertion opening into which a male connector is to be inserted. The opening plug includes an outer valve and an inner valve. The outer valve has an outer valve body pressed by the male connector and opened in a case where the male connector is inserted into the insertion opening. The outer valve body is closed by making contact with the male connector in a case where the male connector is pulled out from the insertion opening. The inner valve has an inner valve body indirectly pressed by the male connector and opened in the case where the male connector is inserted into the insertion opening. The inner valve body is closed by receiving at least a pressure of ink in the case where the male connector is pulled out from the insertion opening.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: November 24, 2015
    Assignee: MIMAKI ENGINEERING CO., LTD.
    Inventor: Masaru Ohnishi
  • Publication number: 20150328899
    Abstract: The object is to provide a printing device with a superior gas barrier property in an ink supplying passage. As a solution therefor, an ink supplying unit (10) of an inkjet printing device (100) includes a pressure chamber (11) connected to a supplying passage (21). The pressure chamber (11) is formed of a resin material having a superior gas barrier property, and can be warped by a biasing force in a direction along which a distance between opposing inner walls thereof is increased so as to be able to set an inside of the ink supplying passage to a negative pressure.
    Type: Application
    Filed: December 16, 2013
    Publication date: November 19, 2015
    Inventor: MASARU OHNISHI
  • Patent number: 9186914
    Abstract: Disclosed is an ink jet recording apparatus that prints an image onto a recording medium using an ink which is composed of an aqueous ink vehicle containing latex as a binder resin. The ink jet recording apparatus includes a carriage on which a recording head for discharging ink droplets onto the recording medium is mounted and that moves relative to the recording medium, in which an infrared heater that is disposed opposite to the recording medium and heats the recording medium is mounted on the carriage, and the infrared heater is disposed to be distant from the recording head in a moving direction (X direction) of the recording medium.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: November 17, 2015
    Assignee: MIMAKI ENGINEERING CO., LTD.
    Inventor: Masaru Ohnishi
  • Publication number: 20150321488
    Abstract: The object is to suitably satisfy a condition for preventing smearing of a printed object and a condition for endowing glossiness to the printed object. As a solution therefor, a plurality of inkjet heads (12y, 12m, 12c, 12k), a print heater (104) being a medium heating heater, and a sub-scan driving unit (16) being an opposing position changing unit that sequentially causes each of positions in a medium (50) in a moving direction of the medium (50) to oppose the respective inkjet heads (12y, 12m, 12c, 12k) are provided, where ink is ink containing solvent and is fixed onto the medium (50) by the solvent being dried, and the print heater (104) dries the ink that has been discharged from one of the inkjet heads and struck onto the medium before another inkjet head further discharges an ink droplet onto a struck position of the ink.
    Type: Application
    Filed: December 16, 2013
    Publication date: November 12, 2015
    Inventor: MASARU OHNISHI
  • Publication number: 20150321480
    Abstract: An ink supply device is provided for supplying ink (10c) to a recording head for discharging the ink in an inkjet printer, that includes: a replaceable ink container (30) being a container for storing the ink (10c) and being replaceable; and a male connector (41) to be inserted into the replaceable ink container (30) to take out the ink (10c) from the replaceable ink container (30), wherein the replaceable ink container (30) includes an opening plug (31) that plugs an insertion opening (30a) where the male connector (41) is to be inserted, and the opening plug (31) includes a reed valve (32) that is pressed by the male connector (41) and opened when the male connector (41) is inserted into the insertion opening (30a), and that is closed by making contact with the male connector (41) when the male connector (41) is pulled out from the insertion opening (30a).
    Type: Application
    Filed: November 15, 2013
    Publication date: November 12, 2015
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventor: MASARU OHNISHI
  • Publication number: 20150306871
    Abstract: The invention has an object to provide an advantageous technology that minimizes banding that may appear on an image printed using a print head having a nozzle row (22) to obtain printed images with a better image quality. A print operation includes discharging ink on a printing medium through an active nozzle row (23) and at least one nozzle (21) not continuous from at least one end of the active nozzle row (23). The active nozzle row (23) is re-selected so that an amount of shift of the active nozzle row (23) from one end of the nozzle row (22) is changed every time when the active nozzle row (23) discharges ink a predetermined number of times.
    Type: Application
    Filed: November 29, 2013
    Publication date: October 29, 2015
    Inventors: MASARU OHNISHI, KOSUKE MURAI
  • Publication number: 20150298494
    Abstract: An objective of the present invention is to provide a technology for forming an image having a three-dimensional appearance, at low cost or in a short delivery time, in a method of forming an image by way of transfer. A solution to solve the issue is a method for manufacturing a laminate; the method including; a step of forming a stereoscopic layer for forming a stereoscopic layer (2) by way of applying ink, containing a solid component, onto a base material (1); and a step of transfer for transferring a metallic layer (7) onto the stereoscopic layer (2) by way of pushing a transfer film (4), provided with the metallic layer (7), against the stereoscopic layer (2).
    Type: Application
    Filed: November 11, 2013
    Publication date: October 22, 2015
    Inventor: MASARU OHNISHI
  • Publication number: 20150298469
    Abstract: The disclosure provides a novel inkjet printing device advantageously equipped to prevent the occurrence of blocking. The inkjet printing device includes: an inkjet head for discharging an ink on a medium to carry out printing; a transferring roller for moving the medium and the inkjet head relative to each other; and a powdering applying unit for applying a powder on the medium, wherein the powdering applying unit is located on a downstream side relative to the inkjet head in a transferring direction by the transferring roller.
    Type: Application
    Filed: April 15, 2015
    Publication date: October 22, 2015
    Inventors: AKIFUMI SEKI, MASARU OHNISHI, KAZUYA NOZAKI
  • Publication number: 20150290948
    Abstract: A replaceable ink container of an ink supply device includes an opening plug for plugging an insertion opening into which a male connector is to be inserted. The opening plug includes an outer valve and an inner valve. The outer valve has an outer valve body pressed by the male connector and opened in a case where the male connector is inserted into the insertion opening. The outer valve body is closed by making contact with the male connector in a case where the male connector is pulled out from the insertion opening. The inner valve has an inner valve body indirectly pressed by the male connector and opened in the case where the male connector is inserted into the insertion opening. The inner valve body is closed by receiving at least a pressure of ink in the case where the male connector is pulled out from the insertion opening.
    Type: Application
    Filed: November 15, 2013
    Publication date: October 15, 2015
    Inventor: Masaru OHNISHI
  • Publication number: 20150273867
    Abstract: The invention has an object to provide a printing method wherein a wide variety of recording medium can be used, and printed materials richer and more vivid in color can be obtained by using sublimation dyes. To achieve the object, provided is a printing method including: an ink applying step for applying an ink on a recording medium (100), and the ink contains a solvent, a binder resin (11) dispersed or emulsified in the solvent, and a sublimation dye (12) entrained in particles of the binder resin (11); and a heating step for heating the ink to diffuse the sublimation dye (12) among the particles of the binder resin (11) for color development.
    Type: Application
    Filed: October 22, 2013
    Publication date: October 1, 2015
    Inventor: Masaru Ohnishi
  • Publication number: 20150273850
    Abstract: A damper device that supplies ink supplied from a tank to a recording head while suppressing pressure fluctuation, and has a head-side chamber communicating with the recording head; a tank-side chamber communicating with the tank; a communicating passage communicating the head-side chamber and the tank-side chamber; a valve for opening or closing the communicating passage; a spring that biases the valve in a direction along which the valve closes the communicating passage; a pressure receiving plate that receives air pressure, and changes volume of the head-side chamber according to a change in a position of itself; a rod member arranged between the valve and the pressure receiving plate, and configured to transmit force received from one of the valve and the pressure receiving plate to the other thereof; and a bellows unit that supports the pressure receiving plate so that the position of the pressure receiving plate is changeable.
    Type: Application
    Filed: October 30, 2013
    Publication date: October 1, 2015
    Inventor: Masaru Ohnishi
  • Publication number: 20150251423
    Abstract: A print device for performing print using an ink jet method includes an ink jet head for discharging ink droplets, and a drive signal output section for outputting a drive signal for allowing the ink jet head to discharge ink droplets. The ink jet heads includes a nozzle for discharging ink droplets, an ink chamber for storing ink to be supplied to the nozzle at a former stage of the nozzle, the ink chamber having a hole connected to the nozzle on any surface of the ink chamber and an opening on a position different from the hole, a thin film for covering the opening of the ink chamber, and a piezoelectric element that is displaced according to the drive signal so as to apply pressure to the ink chamber. The piezoelectric element is disposed on the thin film with a main surface along the thin film.
    Type: Application
    Filed: March 5, 2015
    Publication date: September 10, 2015
    Inventor: MASARU OHNISHI
  • Publication number: 20150251409
    Abstract: It is aimed to provide a printing device capable of sequentially perform printing on recording medium and the like. As a solution thereto, a printing device 100 according to the present invention includes an ink jet head 1, a ring-shaped transfer belt 2 that transfers ink onto a medium 12, an ultraviolet irradiator 4 that cures the ink at a degree that is not completely cured, a driving roller 8 that rotationally drives the transfer belt 2, a transparent roller 9 and a transfer roller 10 that transfer the ink onto the medium 12, and an ultraviolet irradiator 5 that cures the ink.
    Type: Application
    Filed: September 24, 2013
    Publication date: September 10, 2015
    Inventor: Masaru Ohnishi
  • Publication number: 20150224794
    Abstract: To prevent generation of stray light from an ultraviolet ray emitting diode, an ultraviolet ray emitting diode unit 10 includes a single ultraviolet ray emitting diode 4, and a single transparent member 5 arranged to include an optical axis O, and in a cross section of the transparent member 5 that includes the optical axis O and that is vertical to a first direction (X direction) that vertically intersects with the optical axis O, a width in an optical axis direction of a center portion including the optical axis O is longer than a width in the optical axis direction of a peripheral portion that is farther away from the optical axis O than the center portion.
    Type: Application
    Filed: February 4, 2015
    Publication date: August 13, 2015
    Inventor: MASARU OHNISHI
  • Publication number: 20150217572
    Abstract: The aim is to provide a low cost and highly reliable head cleaning technique. As a solution, a cleaning device 20 includes a cleaning tank 21 for immersing a head 10 in cleaning solution and cleaning the head; and liquid level height adjusting means for adjusting a liquid level height of the cleaning solution in the cleaning tank 21, wherein the liquid level height adjusting means includes a supply chamber 25 that stores the cleaning solution to be supplied to the cleaning tank 21, and communicates with the cleaning tank 21, and a driving section 23 for adjusting relative heights of the cleaning tank 21 and the supply chamber 25 by moving the supply chamber 25.
    Type: Application
    Filed: August 6, 2013
    Publication date: August 6, 2015
    Inventor: Masaru Ohnishi