Patents by Inventor Akio Hiroi

Akio Hiroi 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).

  • Film winding method, film winding apparatus, and film manufacturing apparatus
    Patent number: 7083137
    Abstract: A winding mechanism for winding a narrower web has a drive shaft with a torque transmitting member fixedly mounted thereon, and a holder rotatably mounted on the drive shaft with a spring disposed around an outer circumferential surface of the holder with cushioning members interposed therebetween. Stoppers are disposed respectively in three chambers defined in the holder. A groove is defined in an inner circumferential surface of a winding core around which the narrower web is wound, and the cushioning members are fitted in the groove. A pressing force of the spring is applied through the stoppers to the winding core which is mounted on the holder.
    Type: Grant
    Filed: May 20, 2004
    Date of Patent: August 1, 2006
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kenji Watanabe, Akio Hiroi, Fujio Kuwabara
  • Film winding method, film winding apparatus,and film manufacturing apparatus
    Publication number: 20040211857
    Abstract: A winding mechanism for winding a narrower web has a drive shaft with a torque transmitting member fixedly mounted thereon, and a holder rotatably mounted on the drive shaft with a spring disposed around an outer circumferential surface of the holder with cushioning members interposed therebetween. Stoppers are disposed respectively in three chambers defined in the holder. A groove is defined in an inner circumferential surface of a winding core around which the narrower web is wound, and the cushioning members are fitted in the groove. A pressing force of the spring is applied through the stoppers to the winding core which is mounted on the holder.
    Type: Application
    Filed: May 20, 2004
    Publication date: October 28, 2004
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Kenji Watanabe, Akio Hiroi, Fujio Kuwabara
  • Film winding method, film winding apparatus, and film manufacturing apparatus
    Patent number: 6755371
    Abstract: A winding mechanism for winding a narrower web has a drive shaft with a torque transmitting member fixedly mounted thereon, and a holder rotatably mounted on the drive shaft with a spring disposed around an outer circumferential surface of the holder with cushioning members interposed therebetween. Stoppers are disposed respectively in three chambers defined in the holder. A groove is defined in an inner circumferential surface of a winding core around which the narrower web is wound, and the cushioning members are fitted in the groove. A pressing force of the spring is applied through the stoppers to the winding core which is mounted on the holder.
    Type: Grant
    Filed: November 19, 2001
    Date of Patent: June 29, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kenji Watanabe, Akio Hiroi, Fujio Kuwabara
  • Film winding method, film winding apparatus, and film manufacturing apparatus
    Publication number: 20020084375
    Abstract: A winding mechanism for winding a narrower web has a drive shaft with a torque transmitting member fixedly mounted thereon, and a holder rotatably mounted on the drive shaft with a spring disposed around an outer circumferential surface of the holder with cushioning members interposed therebetween. Stoppers are disposed respectively in three chambers defined in the holder. A groove is defined in an inner circumferential surface of a winding core around which the narrower web is wound, and the cushioning members are fitted in the groove. A pressing force of the spring is applied through the stoppers to the winding core which is mounted on the holder.
    Type: Application
    Filed: November 19, 2001
    Publication date: July 4, 2002
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Kenji Watanabe, Akio Hiroi, Fujio Kuwabara