Patents by Inventor Miki NAKABAYASHI

Miki NAKABAYASHI 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).

  • Optical recording device, optical recording method, and information recording medium
    Patent number: 10074428
    Abstract: In a recording technique in which a plurality of light spots are simultaneously formed by using an ultra-short pulse laser and a spatial phase modulator, and a plurality of recording dots having refractive indexes different from those of the vicinities thereof are formed inside a recording medium, it is hard to make recording quality and a recording density compatible. Therefore, a plurality of dots are recorded at a predetermined dot pitch, and then other dots are recorded between the recorded dots.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: September 11, 2018
    Assignee: Hitachi, Ltd.
    Inventors: Manabu Shiozawa, Yasuhiko Shimotsuma, Masaaki Sakakura, Kiyotaka Miura, Miki Nakabayashi
  • OPTICAL RECORDING DEVICE, OPTICAL RECORDING METHOD, AND INFORMATION RECORDING MEDIUM
    Publication number: 20150302926
    Abstract: In a recording technique in which a plurality of light spots are simultaneously formed by using an ultra-short pulse laser and a spatial phase modulator, and a plurality of recording dots having refractive indexes different from those of the vicinities thereof are formed inside a recording medium, it is hard to make recording quality and a recording density compatible. Therefore, a plurality of dots are recorded at a predetermined dot pitch, and then other dots are recorded between the recorded dots.
    Type: Application
    Filed: December 21, 2012
    Publication date: October 22, 2015
    Inventors: Manabu SHIOZAWA, Yasuhiko SHIMOTSUMA, Masaaki SAKAKURA, Kiyotaka MIURA, Miki NAKABAYASHI