Patents by Inventor Tomoyuki Nakamoto

Tomoyuki Nakamoto 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).

  • Patent number: 11508767
    Abstract: A solid-state imaging device according to an embodiment includes: a semiconductor substrate including a photoelectric conversion element; a lens disposed above a first light incident surface of the photoelectric conversion element; and a plurality of columnar structures disposed on a surface parallel to the first light incident surface that is located between a second light incident surface of the lens and the first light incident surface of the photoelectric conversion element. The columnar structure includes at least one of silicon, germanium, gallium phosphide, aluminum oxide, cerium oxide, hafnium oxide, indium oxide, tin oxide, niobium pentoxide, magnesium oxide, tantalum pentoxide, titanium pentoxide, titanium oxide, tungsten oxide, yttrium oxide, zinc oxide, zirconia, cerium fluoride, gadolinium fluoride, lanthanum fluoride, and neodymium fluoride.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: November 22, 2022
    Inventors: Mikinori Ito, Yuta Nakamoto, Tomomi Okano, Yuya Kitabayashi, Takashi Tanaka, Tomoyuki Arai, Natsuko Ootani
  • Patent number: 5811527
    Abstract: A lignin composition having a content of aluminum or iron or both at 0.05 to 5 wt. % (based on the solids of the lignin solution) and a content of extracts with chlorotrifluoroethylene dimer at 0.01 to 0.4 wt. % (based on solids in lignin solution). The lignin compositions possess high surface tension and are suitable as dispersing agents for cement.
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: September 22, 1998
    Assignee: Nippon Paper Industries Co., Ltd.
    Inventors: Hideaki Ishitoku, Toshihiro Sugiwaki, Masanobu Kawamura, Tomoyuki Nakamoto