Patents by Inventor Junichiro Yamamoto

Junichiro Yamamoto 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).

  • Publication number: 20110112299
    Abstract: Provided are a tetracyclic compound represented by the formula (I): [in the formula (I), the formula (A) represents a benzene ring or the like, X represents CH or a nitrogen atom, Q represents —O— or the like, R1, R2, and R3 may be the same or different and each represent a hydrogen atom or the like, l, m, and n each represent an integer from one to the maximum substitutable number of substituents, and R4 and R5 may be the same or different and each represent a hydrogen atom or the like], or a pharmaceutically acceptable salt thereof, and the like.
    Type: Application
    Filed: July 3, 2009
    Publication date: May 12, 2011
    Applicant: KYOWA HAKKO KIRIN CO., LTD.
    Inventors: Junichiro Yamamoto, Kiyotoshi Mori, Tomohiro Era, Yoshisuke Nakasato, Kenji Uchida
  • Patent number: D628722
    Type: Grant
    Filed: May 13, 2010
    Date of Patent: December 7, 2010
    Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba
    Inventors: Junichiro Yamamoto, Aiko Hiraga, Shigeru Osawa
  • Patent number: D628723
    Type: Grant
    Filed: July 28, 2010
    Date of Patent: December 7, 2010
    Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba
    Inventors: Junichiro Yamamoto, Masao Segawa, Makoto Sakai, Tomohiko Sato
  • Patent number: D631573
    Type: Grant
    Filed: May 13, 2010
    Date of Patent: January 25, 2011
    Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba
    Inventors: Junichiro Yamamoto, Aiko Hiraga, Shigeru Osawa
  • Patent number: D634045
    Type: Grant
    Filed: February 25, 2010
    Date of Patent: March 8, 2011
    Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba
    Inventors: Kazufumi Yoshida, Junichiro Yamamoto, Shizuka Sakamoto
  • Patent number: D636922
    Type: Grant
    Filed: February 25, 2010
    Date of Patent: April 26, 2011
    Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba
    Inventors: Kazufumi Yoshida, Junichiro Yamamoto, Shizuka Sakamoto
  • Patent number: D639488
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: June 7, 2011
    Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba
    Inventors: Kazufumi Yoshida, Junichiro Yamamoto, Shizuka Ishida
  • Patent number: D639496
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: June 7, 2011
    Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba
    Inventors: Asuka Wada, Junichiro Yamamoto
  • Patent number: D639497
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: June 7, 2011
    Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba
    Inventors: Kozo Ogawa, Toshiya Tanaka, Asuka Wada, Junichiro Yamamoto
  • Patent number: D640815
    Type: Grant
    Filed: September 9, 2010
    Date of Patent: June 28, 2011
    Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba
    Inventors: Hirokazu Yamada, Junichiro Yamamoto, Kazufumi Yoshida, Tomohiko Sato
  • Patent number: D643948
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: August 23, 2011
    Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba
    Inventors: Asuka Wada, Junichiro Yamamoto
  • Patent number: D643949
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: August 23, 2011
    Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba
    Inventors: Junichiro Yamamoto, Makoto Sakai, Tomohiko Sato
  • Patent number: D643971
    Type: Grant
    Filed: January 3, 2011
    Date of Patent: August 23, 2011
    Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba
    Inventors: Junichiro Yamamoto, Asuka Wada, Shigeru Osawa
  • Patent number: D648060
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: November 1, 2011
    Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba
    Inventors: Junichiro Yamamoto, Kazufumi Yoshida, Naoki Sugishita, Yasuhiro Sano, Koji Yanagida, Kenichi Suzuki
  • Patent number: D648061
    Type: Grant
    Filed: January 3, 2011
    Date of Patent: November 1, 2011
    Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba
    Inventors: Junichiro Yamamoto, Asuka Wada, Shigeru Osawa
  • Patent number: D652537
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: January 17, 2012
    Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba
    Inventors: Asuka Wada, Junichiro Yamamoto
  • Patent number: D652562
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: January 17, 2012
    Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba
    Inventors: Kazufumi Yoshida, Junichiro Yamamoto, Shizuka Ishida
  • Patent number: D652980
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: January 24, 2012
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Kazufumi Yoshida, Junichiro Yamamoto
  • Patent number: D654209
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: February 14, 2012
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Kazufumi Yoshida, Junichiro Yamamoto
  • Patent number: D659860
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: May 15, 2012
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Masayuki Yoshinobu, Shigeru Motoki, Kunihiko Ikada, Junichiro Yamamoto, Hairong Pang, Xinchao Xu