Patents by Inventor Ryouhel Kirisawa

Ryouhel Kirisawa 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).

  • NONVOLATILE SEMICONDUCTOR MEMORY DEVICE
    Publication number: 20110013454
    Abstract: A nonvolatile semiconductor memory device comprises: a plurality of first memory strings; a first select transistor having one end thereof connected to one end of the first memory strings; a first line commonly connected to the other end of a plurality of the first select transistors; a switch circuit having one end thereof connected to the first line; and a second line commonly connected to the other end of a plurality of the switch circuits. The switch circuit controls electrical connection between the second line and the first line.
    Type: Application
    Filed: March 18, 2010
    Publication date: January 20, 2011
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Tomoo Hishida, Yoshihisa Iwata, Megumi Ishiduki, Ryota Katsumata, Yoshiaki Fukuzumi, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka, Yosuke Komori, Junya Matsunami, Tomoko Fujiwara, Hideaki Aochi, Ryouhel Kirisawa, Yoshimasa Mikajiri, Shigeto Oota