Patents by Inventor Hiromasa Yamagishi

Hiromasa Yamagishi 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: 20050063761
    Abstract: The present invention provides an image forming device comprising a first roller mechanism for sending out printing paper from a paper feed tray accommodating the printing paper therein, a second roller mechanism for transporting the printing paper to a printing start position where formation of an image on the paper is started, and a power supply mechanism for giving power to the first roller mechanism and the second roller mechanism.
    Type: Application
    Filed: September 22, 2004
    Publication date: March 24, 2005
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Hirofumi MATSUSHIMA, Hiromasa YAMAGISHI, Shuji SAKAI
  • Publication number: 20040218416
    Abstract: A tray for transporting a recording medium toward or away from a connector is provided with an auxiliary tray coupled thereto, and the auxiliary tray has a pusher for pressing the recording medium as placed on the tray against the connector. A chassis is provided with a pressure fitting mechanism for moving the auxiliary tray toward the connector, with the recording medium transported by the tray to a position opposed to the connector, and the pressure fitting mechanism causes the pusher to press the recording medium into the connector. The chassis is also provided with a guide mechanism for causing the auxiliary tray to escape downward from the path of movement of the tray, with no recording medium inserted in the tray.
    Type: Application
    Filed: February 10, 2004
    Publication date: November 4, 2004
    Inventors: Hiromasa Yamagishi, Tooru Omosako, Yoshiharu Akashi
  • Publication number: 20040081055
    Abstract: An inventive recording medium loader includes a connector provided on a chassis for engagement with a front edge of a generally rectangular planar recording medium, and a tray provided on the chassis for transporting the recording medium toward and away from the connector. An engagement piece having a claw to be brought into and out of engagement with a notch formed in the recording medium is provided on the tray, and a cam is provided in an engagement piece movement path on the chassis. Before the forward edge of the recording medium is engaged with the connector, the claw is brought into engagement with the notch of the recording medium by the cam to lock the recording medium on the tray. In this state, the recording medium is brought into engagement with the connector.
    Type: Application
    Filed: October 17, 2003
    Publication date: April 29, 2004
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Hiromasa Yamagishi, Toru Omosako
  • Patent number: 6341049
    Abstract: A cassette loading mechanism comprises a tray disposed inwardly of a side plate on a chassis and movable in a cassette loading direction for holding a cassette, and a loading member disposed externally of the side plate for driving the tray. The side plate is provided with engaging pieces corresponding to an upper end and a lower end of the loading member. The loading member is formed in the lower end thereof corresponding to the engaging piece with a cutout for permitting the loading member to move to inside the engaging piece when positioned for mounting on the side plate. The loading member is mounted on the side plate by fitting the upper end thereof to the other engaging piece of the side plate and causing the other end of the loading member to clear the engaging piece at the cutout and to move to inside of the engaging piece. The loading member is slidable from the mounted position to move within a range in which the loading member is in engagement with the side plate.
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: January 22, 2002
    Assignee: Sanyo Electric Co., Ltd.
    Inventor: Hiromasa Yamagishi
  • Patent number: 5535071
    Abstract: A front mechanism mounted on a chassis loads a cassette in place by causing a first projection and a second projection on each of opposite side portions of a cassette carrying tray to slide along respective guide grooves formed in each of side plates. Power is transmitted from a drive cam gear provided on the rear side of the chassis to the tray via a drive mechanism, intermediate gear and rotary gear. For loading, the tray initially starts to move as inclined with the first projection and the second projection sliding along slanting grooves and is thereafter lowered by sliding movement of the projection along a vertical groove and sliding movement of the projection along a descent groove while being corrected from the inclined position to a horizontal position. Upon completion of cassette loading, the intermediate gear and the rotary gear constitute a Geneva stop, and the drive cam gear disengages from the drive mechanism.
    Type: Grant
    Filed: July 26, 1994
    Date of Patent: July 9, 1996
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Hiromasa Yamagishi, Masahiko Takada, Takahiro Okuie, Osamu Takao, Haruhiko Yoneda, Akihiro Suzuki
  • Patent number: 4985791
    Abstract: A cassette loading device for transporting a tape cassette inserted into a cassette inlet to a recording-reproducing position comprises a system for transmitting power from a loading motor to a cassette holder, and a holder lock mechanism incorporated in the system for locking the cassette holder in a loading completed position. The holder lock mechanism comprises a first rotary member drivingly rotatable by the power of the motor, a second rotary member for transmitting the power to the cassette holder, and a coupling member engageable with the two rotary members at the same time for connecting the members together. When the cassette is completely loaded, the coupling member is self-locked to thereby prevent the second rotary member from rotating in an unloading direction.
    Type: Grant
    Filed: March 24, 1989
    Date of Patent: January 15, 1991
    Assignee: Sanyo Electric Co., Ltd.
    Inventor: Hiromasa Yamagishi
  • Patent number: D478329
    Type: Grant
    Filed: June 4, 2002
    Date of Patent: August 12, 2003
    Assignees: Hitachi, Ltd., Canon Kabushiki Kaisha, Sanyo Electric Co., Sharp Kabushiki Kaisha, Victor Company of Japan, Limited, Pioneer Corp., Phoenix Technologies K.K., Fujitsu Ltd.
    Inventors: Hiromasa Yamagishi, Ryuichi Onda, Tadaaki Tomikawa
  • Patent number: D482365
    Type: Grant
    Filed: June 4, 2002
    Date of Patent: November 18, 2003
    Assignees: Hitachi, Ltd., Canon Kabushiki Kaisha, Sanyo Electric Co., Ltd., Sharp Kabushiki Kaisha, Victor Company of Japan Ltd., Pioneer Corporation, Phoenix Technologies K.K., Fujitsu Limited
    Inventors: Hiromasa Yamagishi, Ryuichi Onda, Tadaaki Tomikawa