Patents by Inventor Sachiko Sasaki

Sachiko Sasaki 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: 11917882
    Abstract: A light-emitting device, an electronic device, or a lighting device with low power consumption and high reliability is provided. The light-emitting device includes a first light-emitting element, a second light-emitting element, a third light-emitting element, and a fourth light-emitting element. The first to fourth light-emitting elements include the same EL layer between an anode and a cathode. The EL layer includes a first light-emitting layer and a second light-emitting layer. The first light-emitting layer contains a fluorescent substance. The peak wavelength of an emission spectrum of the fluorescent substance in a toluene solution of the fluorescent substance is 440 nm to 460 nm, preferably 440 nm to 455 nm. The second light-emitting layer contains a phosphorescent substance. The first light-emitting element exhibits blue emission. The second light-emitting element exhibits green emission. The third light-emitting element exhibits red emission.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: February 27, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Satoshi Seo, Toshiki Sasaki, Tsunenori Suzuki, Sachiko Kawakami, Naoaki Hashimoto
  • Patent number: 7410986
    Abstract: 4-aryl pyrimidine compounds of general formula and salts thereof: wherein X is CH or N; R1 is hydrogen, halogen, C1-6 alkyl, C1-6 alkoxy, etc.; R2 is hydrogen or hydroxy; R3 is hydrogen, C1-6 alkyl, etc.; R4 is hydrogen, hydroxy, halogen, amino, etc.; R5 is hydroxy, amino, carboxy, etc.; R6 is hydrogen, carbamoyl, cyano, carboxy, C1-6 alkoxycarbonyl, etc. and R7 is amino or C1-6 alkanoylamino. The compounds (I) or the salts thereof have an excellent anti-inflammatory activity and the like.
    Type: Grant
    Filed: November 19, 2001
    Date of Patent: August 12, 2008
    Assignee: Bayer Aktiengesellschaft
    Inventors: Toshiki Murata, Sachiko Sasaki, Takashi Yoshino, Yuka Ikegami, Tsutomu Masuda, Mitsuyuki Shimada, Takuya Shintani, Makoto Shimazaki, Timothy B. Lowinger, Karl B. Ziegelbauer, Kinji Fuchikami, Masaomi Umeda, Hiroshi Komura, Nagahiro Yoshida
  • Publication number: 20040097563
    Abstract: 4-aryl pyrimidine compounds of general formula and salts thereof: wherein X is CH or N; R1 is hydrogen, halogen, C1-6 alkyl, C1-6 alkoxy, etc.; R2 is hydrogen or hydroxy; R3 is hydrogen, C1-6 alkyl, etc.; R4 is hydrogen, hydroxy, halogen, amino, etc.; R5 is hydroxy, amino, carboxy, etc.; R6 is hydrogen, carbamoyl, cyano, carboxy, C1-6 alkoxycarbonyl, etc. and R7 is amino or C1-6 alkanoylamino. The compounds (I) or the salts thereof have an excellent anti-inflammatory activity and the like.
    Type: Application
    Filed: November 3, 2003
    Publication date: May 20, 2004
    Inventors: Toshiki Murata, Sachiko Sasaki, Takashi Yoshino, Yuka Ikegami, Tsutomu Masuda, Mitsuyuki Shimada, Takuya Shintani, Makoto Shimazaki, Timothy B. Lowinger, Karl B. Ziegelbauer, Kinji Fuchikami, Masaomi Umeda, Hiroshi Komura, Nagahiro Yoshida