Patents by Inventor Hiroyuki Matsuba

Hiroyuki Matsuba 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: 20060146104
    Abstract: An inkjet recording apparatus ejects ink from recording heads to a recording paper, thereby attaching the ink to the medium for recording. The apparatus includes a carriage driving motor, a transfer motor, a scanner which reciprocates a carriage having the recording heads in a scanning direction, and a transfer machine. The transfer machine transfers the recording paper in a transfer direction perpendicular to the scanning direction. Both of the motors are located at approximately the same place in an ejecting direction of ink from the heads to the paper, and at the same height of a transfer path of the paper or on the carriage side with respect to the transfer path.
    Type: Application
    Filed: March 7, 2006
    Publication date: July 6, 2006
    Inventors: Tetsuya Matsuzaki, Shinichi Kitamura, Hiroyuki Matsuba, Kensei Otsubo
  • Patent number: 7059712
    Abstract: An inkjet recording apparatus ejects ink from recording heads to a recording paper, thereby attaching the ink to the medium for recording. The apparatus includes a carriage driving motor, a transfer motor, a scanner which reciprocates a carriage having the recording heads in a scanning direction, and a transfer machine. The transfer machine transfers the recording paper in a transfer direction perpendicular to the scanning direction. Both of the motors are located at approximately the same place in an ejecting direction of ink from the heads to the paper, and at the same height of a transfer path of the paper or on the carriage side with respect to the transfer path.
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: June 13, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Tetsuya Matsuzaki, Shinichi Kitamura, Hiroyuki Matsuba, Kensei Otsubo
  • Patent number: 7029105
    Abstract: An ink-jet recording device according to the present invention includes: a paper supply tray arranged inward of a predetermined face of a main body to supply recording sheets; a paper display tray arranged inward of the same face as the paper supply tray to receive recording sheets discharged after recording; an ink cartridge loading unit, which is arranged inward of the same face as the paper supply tray, and into which an ink cartridge containing ink used for recording is loaded detachably; and a controller which disables removal of the ink cartridge during a removal inhibited period.
    Type: Grant
    Filed: February 13, 2003
    Date of Patent: April 18, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroyuki Matsuba, Hiroyuki Ogata, Yoshinobu Ishimoto, Tetsuya Matsuzaki, Masaharu Tanaka, Takashi Yoshihara, Tadashi Maki
  • Publication number: 20050248612
    Abstract: For a line head in an ink jet recorder wherein the line head comprises a plurality of long narrow rectangular plate like nozzle heads which are inclined together in a direction relative to that in which they are disposed side by side in a line in the line head, the invention is designed to be capable of wiping ink as well that gets into gaps between adjacent nozzle heads. To this end, an elastically deformable blade 13 is used that is brought into pressure contact with nozzle faces of a line head 23 and moved in a direction in which nozzle heads 24 are inclined while maintaining the blade 13 under pressure to cause it to be deformed against the nozzle faces as it is moved. Also, contaminants adhered on the blade by the wiping action is flushed with cleaning liquid rather than by a contaminant removal member.
    Type: Application
    Filed: April 27, 2005
    Publication date: November 10, 2005
    Applicants: Matsushita Electric Industrial Co., Ltd., Miyakoshi Printing Machinery Co., Ltd.
    Inventors: Hiroyuki Matsuba, Yoshinobu Ishimoto, Tetsuya Matsuzaki, Hideo Izawa, Takao Namiki
  • Publication number: 20050248607
    Abstract: In order to maintain ink supply pressure to a recording head constant while supplying the recording head with ink with an minimum of air entrained therein, the invention provides an ink supplier which comprises a main ink reservoir, a subsidiary ink reservoir connected to the main ink reservoir for replenishment with ink from the main ink reservoir and a means whereby a position head of the ink liquid level in the subsidiary ink reservoir is maintained substantially constant relative to a printing head face of the recording head. Included preferably also are a deaerator associated with the subsidiary ink reservoir for removing air from ink therein and a float floating on ink in the subsidiary ink reservoir.
    Type: Application
    Filed: April 27, 2005
    Publication date: November 10, 2005
    Applicants: Matsushita Electric Industrial Co., Ltd., Miyakoshi Printing Machinery Co., Ltd.
    Inventors: Hiroyuki Matsuba, Kazunari Chikanawa, Shigeyuki Takao, Tetsuya Matsuzaki, Hideo Izawa, Takao Namiki
  • Patent number: 6929358
    Abstract: An inkjet recording apparatus ejects ink from recording heads to a recording paper, thereby attaching the ink to the medium for recording. The apparatus includes a carriage driving motor, a transfer motor, a scanner which reciprocates a carriage having the recording heads in a scanning direction, and a transfer machine. The transfer machine transfers the recording paper in a transfer direction perpendicular to the scanning direction. Both of the motors are located at approximately the same place in an ejecting direction of ink from the heads to the paper, and at the same height of a transfer path of the paper or on the carriage side with respect to the transfer path.
    Type: Grant
    Filed: March 14, 2003
    Date of Patent: August 16, 2005
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Tetsuya Matsuzaki, Shinichi Kitamura, Hiroyuki Matsuba, Kensei Otsubo
  • Publication number: 20050162488
    Abstract: An inkjet recording apparatus ejects ink from recording heads to a recording paper, thereby attaching the ink to the medium for recording. The apparatus includes a carriage driving motor, a transfer motor, a scanner which reciprocates a carriage having the recording heads in a scanning direction, and a transfer machine. The transfer machine transfers the recording paper in a transfer direction perpendicular to the scanning direction. Both of the motors are located at approximately the same place in an ejecting direction of ink from the heads to the paper, and at the same height of a transfer path of the paper or on the carriage side with respect to the transfer path.
    Type: Application
    Filed: March 24, 2005
    Publication date: July 28, 2005
    Inventors: Tetsuya Matsuzaki, Shinichi Kitamura, Hiroyuki Matsuba, Kensei Otsubo
  • Publication number: 20050134636
    Abstract: An ink-jet recording device according to the present invention includes: a paper supply tray arranged inward of a predetermined face of a main body to supply recording sheets; a paper display tray arranged inward of the same face as the paper supply tray to receive recording sheets discharged after recording; an ink cartridge loading unit, which is arranged inward of the same face as the paper supply tray, and into which an ink cartridge containing ink used for recording is loaded detachably; and a controller which disables removal of the ink cartridge during a removal inhibited period.
    Type: Application
    Filed: January 18, 2005
    Publication date: June 23, 2005
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroyuki Matsuba, Hiroyuki Ogata, Yoshinobu Ishimoto, Tetsuya Matsuzaki, Masaharu Tanaka, Takashi Yoshihara, Tadashi Maki
  • Publication number: 20050046666
    Abstract: An inkjet recording apparatus includes an absorber 57 which abuts a nozzle surface 43a of a line head 4 to absorb ink adhered on the nozzle surface 43a. A portion of the absorber 57 which corresponds to an opening of a nozzle 44 is removed. The absorber 57 abuts the nozzle surface 43a except for a portion near the nozzle 44. Ink remaining on the nozzle surface 43a is absorbed by the absorber 57. Thus, when the nozzle surface 43a is wiped with a blade 56, collection of a large amount of remaining ink is prevented.
    Type: Application
    Filed: August 27, 2004
    Publication date: March 3, 2005
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hideaki Horio, Hiroyuki Matsuba, Yoshinobu Ishimoto
  • Publication number: 20050046665
    Abstract: A plurality of line heads 4 are arranged along the transfer direction of a recording medium 12. Each line head 4 has a nozzle surface in which nozzles are provided over the entire width of the recording medium 12. A plurality of purge units 5 are arranged along the transfer direction of the recording medium 12 at external positions which deviate from the recording medium 12 in the width direction of the recording medium 12. The purge units 5 respectively correspond to the line heads 4. Each purge unit 5 cleans the nozzle surface of a corresponding one of the line heads 4.
    Type: Application
    Filed: August 27, 2004
    Publication date: March 3, 2005
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroyuki Matsuba, Yoshinobu Ishimoto, Takashi Yoshihara
  • Publication number: 20050001868
    Abstract: An ink jet recording apparatus, which performs printing by ink ejection, comprises a pressure chamber in which ink liquid is filled; a nozzle hole 116 which is formed communicating with the pressure chamber; a piezoelectric element 113 which is formed on the pressure chamber, and deforms the pressure chamber by mechanical expansion and contraction, whereby pressure is generated in the pressure chamber and ink is ejected from the nozzle hole 116; and a dew point control unit 123 which keeps a dew point in an atmosphere of the piezoelectric element 113 and the vicinity of the piezoelectric element 113 at a lower value than a dew point in an environment where the ink jet recording apparatus is set. The dew point control unit 123 comprises a compressor 123a, and an air drier 123b which dries compression gas from this compressor 123a and feeds it to the piezoelectric element 113.
    Type: Application
    Filed: April 28, 2004
    Publication date: January 6, 2005
    Inventors: Hiroyuki Matsuba, Tohru Nakagawa, Hideo Torii, Takeshi Kamada, Kazunari Chikanawa, Hiroaki Nakashima, Seishi Tomari
  • Publication number: 20050001877
    Abstract: Plural nozzle arrays of which each comprises plural nozzle holes 247a from which ink is ejected are arranged slantingly in a main scanning direction. A distance between a first arbitrary nozzle hole 247a-1 and a second nozzle hole 247a-2, in a nozzle array adjacent to the array to which this first nozzle hole 247a-1 belongs, which is adjacent to the first nozzle hole 247a-1, and a distance between the first nozzle hole 247a-1 and a third nozzle hole 247a-3, in the nozzle array to which the second nozzle hole 247a-2 belongs, which is further adjacent to the first nozzle hole 247a-1 are different from each other.
    Type: Application
    Filed: April 28, 2004
    Publication date: January 6, 2005
    Inventors: Kazunari Chikanawa, Hiroaki Nakashima, Seishi Tomari, Hiroyuki Matsuba, Tohru Nakagawa, Hideo Torii, Takeshi Kamada
  • Publication number: 20050001881
    Abstract: An ink jet head unit comprises a head 2 in which plural nozzle arrays 2a, 2b, 2c, 3d of which each comprises many nozzle holes are formed, and ink is ejected from the nozzle holes; a head base on which the head 2 is mounted; and flat cables 4a, 4b flexibly formed by covering many transmission wires with an insulation film, of which one end sides where the transmission wires are exposed are fixed, in mounted parts 7a, 7b interposed between the nozzle arrays 2a, 2b and the nozzle arrays 2c, 2d, onto the head 2 thereby to transmit ink ejection signals for driving the head 2.
    Type: Application
    Filed: April 28, 2004
    Publication date: January 6, 2005
    Inventors: Hiroaki Nakashima, Kazunari Chikanawa, Seishi Tomari, Hiroyuki Matsuba, Tohru Nakagawa, Hideo Torii, Takeshi Kamada
  • Publication number: 20030156172
    Abstract: An ink-jet recording device according to the present invention includes: a paper supply tray arranged inward of a predetermined face of a main body to supply recording sheets; a paper display tray arranged inward of the same face as the paper supply tray to receive recording sheets discharged after recording; an ink cartridge loading unit, which is arranged inward of the same face as the paper supply tray, and into which an ink cartridge containing ink used for recording is loaded detachably; and a controller which disables removal of the ink cartridge during a removal inhibited period.
    Type: Application
    Filed: February 13, 2003
    Publication date: August 21, 2003
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroyuki Matsuba, Hiroyuki Ogata, Yoshinobu Ishimoto, Tetsuya Matsuzaki, Masaharu Tanaka, Takashi Yoshihara, Tadashi Maki
  • Publication number: 20030151649
    Abstract: An inkjet recording apparatus ejects ink from recording heads to a recording paper, thereby attaching the ink to the medium for recording. The apparatus includes a carriage driving motor, a transfer motor, a scanner which reciprocates a carriage having the recording heads in a scanning direction, and a transfer machine. The transfer machine transfers the recording paper in a transfer direction perpendicular to the scanning direction. Both of the motors are located at approximately the same place in an ejecting direction of ink from the heads to the paper, and at the same height of a transfer path of the paper or on the carriage side with respect to the transfer path.
    Type: Application
    Filed: March 14, 2003
    Publication date: August 14, 2003
    Inventors: Tetsuya Matsuzaki, Shinichi Kitamura, Hiroyuki Matsuba, Kensei Otsubo
  • Patent number: 6582067
    Abstract: An inkjet recording apparatus ejects ink from recording heads to a recording paper, thereby attaching the ink to the medium for recording. The apparatus includes a carriage driving motor, a transfer motor, a scanner which reciprocates a carriage having the recording heads in a scanning direction, and a transfer machine. The transfer machine transfers the recording paper in a transfer direction perpendicular to the scanning direction. Both of the motors are located at approximately the same place in an ejecting direction of ink from the heads to the paper, and at the same height of a transfer path of the paper or on the carriage side with respect to the transfer path. A single ink supply tube supplies ink in a greater amount per unit time than other ink supply tubes. At least a part of the ink supply tube has a larger diameter than the other ink supplies tubes.
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: June 24, 2003
    Assignee: Matsushita Electric Industrial, Co. Ltd.
    Inventors: Tetsuya Matsuzaki, Shinichi Kitamura, Hiroyuki Matsuba, Kensei Otsubo
  • Publication number: 20010026304
    Abstract: An inkjet recording apparatus ejects ink from recording heads to a recording paper, thereby attaching the ink to the medium for recording. The apparatus includes a carriage driving motor, a transfer motor, a scanner which reciprocates a carriage—having the recording heads—in a scanning direction, and a transfer machine. The transfer machine transfers the recording paper in a transfer direction perpendicular to the scanning direction. Both of the motors are located at approx. the same place in an ejecting direction of ink from the head to the paper, and at the same height of a transfer path of the paper or on the carriage side with respect to the transfer path.
    Type: Application
    Filed: March 20, 2001
    Publication date: October 4, 2001
    Inventors: Tetsuya Matsuzaki, Shinichi Kitamura, Hiroyuki Matsuba, Kensei Otsubo
  • Patent number: 5465242
    Abstract: An optical disk device for use as a mass storage device includes an axially and angularly movable support mounted on a hollow shaft and supporting a condensing lens that converges a laser beam onto an optical disk mounted in position. A substantially cylindrical side yoke is disposed concentrically around the hollow shaft, and a magnet is coupled to said side yoke, the magnet and the side yoke jointly providing a magnetic circuit. A tracking coil is mounted on the support, the side yoke extending through the tracking coil in magnetically coacting relationship to the magnetic circuit. When an electric current flows through the tracking coil, the support and hence the condensing lens are angularly moved in a wide angular range about shaft to access a desired track on the optical disk. The condensing lens is disposed off the shaft, but is spaced from the shaft by a relatively small distance.
    Type: Grant
    Filed: April 14, 1994
    Date of Patent: November 7, 1995
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yugi Terashima, Shogo Horinouchi, Hiroyuki Matsuba
  • Patent number: 5331611
    Abstract: A recording/reproducing apparatus equipped with an optical pickup device movably disposed in opposed relation to a recording medium for applying a light beam to the recording medium to receive light reflected from the recording medium, and further equipped with a magnetic-field generating device also movably disposed in opposed relation to the recording medium for generating a magnetic field with respect to the recording medium. The optical pickup device and the magnetic-field generating device are coupled to each other through a power transmission device whereby the magnetic-field generating device is driven in connection with a movement of the optical pickup device. The magnetic-field generating device is supported by a rotatable supporting member, and the power transmission device comprises a projection attached to the supporting member and a lever having a configuration engageable with the projection.
    Type: Grant
    Filed: June 17, 1992
    Date of Patent: July 19, 1994
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Hiroyuki Matsuba