Patents by Inventor Koichi Omura

Koichi Omura 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: 20220412674
    Abstract: A heat exchanger core according to an embodiment includes: a first header space; a plurality of first layered header passages; a plurality of first communication port rows; and a plurality of first passages. The plurality of first layered header passages are stacked in a perpendicular direction to a reference plane so as to each extend along the reference plane. Each first layered header passage has an open end at a first edge adjacent to the first header space and communicates with the first header space through the open end. The plurality of first communication port rows are arranged in the perpendicular direction so as to correspond to the plurality of first layered header passages, respectively. Each first communication port row is formed by a plurality of first communication ports arranged along the reference plane. The plurality of first passages communicate with any of the first layered header passages through the plurality of first communication ports.
    Type: Application
    Filed: February 24, 2021
    Publication date: December 29, 2022
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Shunsaku EGUCHI, Minemasa OMURA, Yoichi UEFUJI, Hiroyuki NAKAHARAI, Koichi TANIMOTO, Masaya HATANAKA, Nobuhide HARA, Takuo ODA
  • Patent number: 4843465
    Abstract: A picture transmission system of the present invention is adapted to code picture data by a variable sampling rate coding system to transmit the same. Picture data are stored in a frame memory (16) of a transmission area so that differential values between the same and predictors from a predictive circuit (43) are obtained by a subtracter (41) and compression-coded by a variable sampling rate compression circuit (42) to be transmitted. The compression-coded differential values are expansion-decoded by a variable sampling rate expansion circuit (40) so that original differential values are supplied to an adder (45). The adder (45) adds up the differential values with predictors, to produce predictors for subsequent sampling points. In a receiving area, transmitted codes are expansion-decoded by a variable sampling rate expansion circuit (51), so that the decoded values are added up with predictors from a predictive circuit (53) by an adder (52) to output the original picture data.
    Type: Grant
    Filed: October 7, 1987
    Date of Patent: June 27, 1989
    Assignee: Matsushita Electric Works Ltd.
    Inventors: Hiroyoshi Yuasa, Koichi Omura
  • Patent number: 4703348
    Abstract: A picture transmission system of the present invention is adapted to code picture data by a variable sampling rate coding system to transmit the same. Picture data are stored in a frame memory (16) of a transmission area so that differential values between the same and predictors from a predictive circuit (43) are obtained by a subtracter (41) and compression-coded by a variable sampling rate compression circuit (42) to be transmitted. The compression-coded differential values are expansion-decoded by a variable sampling rate expansion circuit (40) so that original differential values are supplied to an adder (45). The adder (45) adds up the differential values with predictors, to produce predictors for subsequent sampling points. In a receiving area, transmitted codes are expansion-decoded by a variable sampling rate expansion circuit (51), so that the decoded values are added up with predictors from a predictive circuit (53) by an adder (52) to output the original picture data.
    Type: Grant
    Filed: April 24, 1985
    Date of Patent: October 27, 1987
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Hiroyoshi Yuasa, Koichi Omura
  • Patent number: 4679077
    Abstract: A visual image sensor system for detecting an abnormal change in a monitored scene is disclosed, wherein normal changes which may occur in the monitored scene are previously memorized to be selectively compared with changes in the monitored scene, whereby the normal changes are discriminated from the actual abnormal change to be detected. An alarm is issued when the monitored scene includes a change different from any of the memorized normal changes selected according to one or more rational selection standards, whereby false or redundant alarms due to the normal changes are prevented. For further precise detection, abnormal changes which may occur in the monitored scene are also previously memorized to be compared with the changes in the monitored scene.
    Type: Grant
    Filed: November 1, 1985
    Date of Patent: July 7, 1987
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Hiroyoshi Yuasa, Akira Yasuda, Koichi Omura
  • Patent number: 4509186
    Abstract: Speech recognition by first log-compressing the speech signal, then filtering into subband signals which are subtracted to form an indicator of voiced, unvoiced and silence intervals, whereby sequence and duration patterns are coded in +1, -1, and zero.
    Type: Grant
    Filed: December 31, 1981
    Date of Patent: April 2, 1985
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Koichi Omura, Hiroyoshi Yuasa