Patents by Inventor Noriyuki HOSOKAWA

Noriyuki HOSOKAWA 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).

  • Manufacturing method for laminated iron core and manufacturing device for laminated iron core
    Patent number: 10587172
    Abstract: A method of manufacturing a divided laminated iron core, wherein the iron core laminae includes first iron core laminae and second iron core laminae, includes: a first connecting-portion punching step of punching each of connecting portions between divided iron core pieces constituting each first iron core lamina in a sheet steel strip; a second connecting-portion punching step of punching each of connecting portions between divided iron core pieces constituting each second iron core lamina; and a stacking step of stacking at least one of the first iron core laminae and at least one of the second iron core laminae and joining together the stacked iron core laminae, wherein the connecting portions between the divided iron core pieces of each first iron core lamina are configured to be separated more easily than the connecting portions between the divided iron core pieces of each second iron core lamina.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: March 10, 2020
    Assignee: KURODA PRECISION INDUSTRIES LTD.
    Inventors: Tomohiro Ogikubo, Tatsuhiro Yoshida, Noriyuki Hosokawa
  • MANUFACTURING METHOD FOR LAMINATED IRON CORE AND MANUFACTURING DEVICE FOR LAMINATED IRON CORE
    Publication number: 20180026501
    Abstract: A method of manufacturing a divided laminated iron core, wherein the iron core laminae includes first iron core laminae and second iron core laminae, includes: a first connecting-portion punching step of punching each of connecting portions between divided iron core pieces constituting each first iron core lamina in a sheet steel strip; a second connecting-portion punching step of punching each of connecting portions between divided iron core pieces constituting each second iron core lamina; and a stacking step of stacking at least one of the first iron core laminae and at least one of the second iron core laminae and joining together the stacked iron core laminae, wherein the connecting portions between the divided iron core pieces of each first iron core lamina are configured to be separated more easily than the connecting portions between the divided iron core pieces of each second iron core lamina.
    Type: Application
    Filed: March 16, 2015
    Publication date: January 25, 2018
    Inventors: Tomohiro OGIKUBO, Tatsuhiro YOSHIDA, Noriyuki HOSOKAWA