Patents by Inventor Masao Tsuji

Masao Tsuji 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: 5359055
    Abstract: There are provided pregnane derivatives represented by formula ##STR1## wherein A.sup.1 represents a hydrogen atom or a hydroxyl group, A.sup.2 represents a substituent such as a hydroxyl group when A.sup.1 represents a hydrogen atom, or A.sup.2 represents a hydrogen atom when A.sup.1 represents a hydroxyl group, or A.sup.1 and A.sup.2 are combined together to form an oxo group; D.sup.1 represents a substituent such as a hydroxyl group, and D.sup.2 represents a hydrogen atom, or D.sup.1 and D.sup.2 are combined together to form an epoxy group or a single bond; D.sup.3, D.sup.5 and D.sup.7 each represents a hydrogen atom, D.sup.4 represents a hydroxyl group, and D.sup.6 represents a substituent such as a hydroxyl group, or D.sup.3 and D.sup.4 may be combined together to form an epoxy group or a single bond, or D.sup.4 and D.sup.5 may be combined together to form a single bond, or D.sup.5 and D.sup.6 may be combined together to form an epoxy group or a single bond, or D.sup.6 and D.sup.
    Type: Grant
    Filed: November 27, 1991
    Date of Patent: October 25, 1994
    Assignee: Kuraray Co., Ltd.
    Inventors: Jiro Tsuji, Takashi Takahashi, Masao Tsuji, Naoshi Nakagawa, Tetsuo Takigawa
  • Patent number: 5262954
    Abstract: An automated manufacture line includes a host controller device which sets individual control conditions and a plurality of automatic working devices which are connected to the host controller device and perform their automatic works.
    Type: Grant
    Filed: May 8, 1991
    Date of Patent: November 16, 1993
    Assignees: Hitachi, Ltd., Hitachi Keiyo Engineering Co., Ltd.
    Inventors: Motoaki Fujino, Makoto Oouchida, Junichi Kobayashi, Masayuki Matsubara, Norio Tsuruta, Yoshinori Naruke, Masayoshi Ohzeki, Masao Tsuji, Housei Higashi, Tadamasa Kamikubo, Syunki Sakurai
  • Patent number: 5247067
    Abstract: The present invention relates to a peptide having the amino acid sequence: Lys Arg Ser Thr Asn, Arg Arg Tyr Lys Glu Lys Glu Lys or Ala Ile Ile Pro Asp Arg Glu Val Leu Tyr and which peptide is capable of specifically binding to the antibody which is specific to the non-A, non-B hepatitis associated antigen. The peptide can be used as an anti-HCV antibody assay reagent with high sensitivity.
    Type: Grant
    Filed: March 8, 1991
    Date of Patent: September 21, 1993
    Assignees: Kuraray Co., Ltd., Terukatsu Arima
    Inventors: Terukatsu Arima, Kyoko Yamada, Tadashi Hatanaka, Toshihiko Namba, Masao Tsuji
  • Patent number: 5218109
    Abstract: Steroid compounds of the following general formulas (I), (II) and (III) are provided: ##STR1## In the above formulas, R.sup.1 and R.sup.2 each is a hydrogen atom or a hydroxyl-protecting group, R is a group of the formula --CH.sub.2 --X (in which X is a substituent such as a hydroxyl group), a carboxyl group or a protected carboxyl group, A.sup.1 is an aryl group, a lower alkyl group or an aralkyl group, and Z.sup.1, Z.sup.2, Z.sup.3 and Z.sup.4 each is a hydrogen atom, a hydroxyl group or a protected hydroxyl group.The above steroid compounds are useful as intermediates for the synthesis of vitamin D.sub.3 derivatives having a hydroxyl group at the 1.alpha.-position.
    Type: Grant
    Filed: March 5, 1990
    Date of Patent: June 8, 1993
    Assignee: Kuraray Co., Ltd.
    Inventors: Jiro Tsuji, Takashi Takahashi, Masao Tsuji, Naoshi Nakagawa, Tetsuo Takigawa
  • Patent number: 5112998
    Abstract: There are provided pregnane derivatives represented by formula ##STR1## wherein A.sup.1 represents a hydrogen atom or a hydroxyl group, A.sup.2 represents a substituent such as a hydroxyl group when A.sup.1 represents a hydrogen atom, or A.sup.2 represents a hydrogen atom when A.sup.1 represents a hydroxyl group, or A.sup.1 and A.sup.2 are combined together to form an oxo group; D.sup.1 represents a substitutent such as a hydroxyl group, and D.sup.2 represents a hydrogen atom, or D.sup.1 and D.sup.2 are combined together to form an epoxy group or a single bond; D.sup.3, D.sup.5 and D.sup.7 each represents a hydrogen atom, D.sup.4 represents a hydroxyl group, and D.sup.6 represents a substitutent such as a hydroxyl group, or D.sup.3 and D.sup.4 may be combined together to form an epoxy group or a single bond, or D.sup.4 and D.sup.5 may be combined together to form a single bond, or D.sup.5 and D.sup.6 may be combined together to form an epoxy group or a single bond, or D.sup.6 and D.sup.
    Type: Grant
    Filed: June 15, 1990
    Date of Patent: May 12, 1992
    Assignee: Kuraray Co., Ltd.
    Inventors: Jiro Tsuji, Takashi Takahashi, Masao Tsuji, Naoshi Nakagawa, Tetsuo Takigawa
  • Patent number: D319167
    Type: Grant
    Filed: June 29, 1988
    Date of Patent: August 20, 1991
    Assignee: North American Philips Corp.
    Inventors: Duane D. Adams, Masao Tsuji
  • Patent number: D319752
    Type: Grant
    Filed: December 27, 1990
    Date of Patent: September 10, 1991
    Assignee: North American Philips Corp.
    Inventors: Duane D. Adams, Masao Tsuji
  • Patent number: D319944
    Type: Grant
    Filed: December 27, 1990
    Date of Patent: September 17, 1991
    Assignee: North American Philips Corp.
    Inventors: Duane D. Adams, Masao Tsuji
  • Patent number: D326206
    Type: Grant
    Filed: January 30, 1991
    Date of Patent: May 19, 1992
    Assignee: North American Philips Corp.
    Inventors: William J. Rakocy, Ronald L. Muller, Masao Tsuji
  • Patent number: D326386
    Type: Grant
    Filed: January 30, 1991
    Date of Patent: May 26, 1992
    Assignee: North American Philips Corp.
    Inventors: William J. Rakocy, Ronald L. Muller, Masao Tsuji
  • Patent number: D349336
    Type: Grant
    Filed: October 29, 1993
    Date of Patent: August 2, 1994
    Assignee: Hunter Fan Company
    Inventor: Masao Tsuji
  • Patent number: D349337
    Type: Grant
    Filed: December 2, 1993
    Date of Patent: August 2, 1994
    Assignee: Hunter Fan Company
    Inventor: Masao Tsuji
  • Patent number: D350191
    Type: Grant
    Filed: October 27, 1993
    Date of Patent: August 30, 1994
    Assignee: Hunter Fan Company
    Inventor: Masao Tsuji
  • Patent number: D350531
    Type: Grant
    Filed: October 29, 1993
    Date of Patent: September 13, 1994
    Assignee: Hunter Fan Company
    Inventor: Masao Tsuji
  • Patent number: D352930
    Type: Grant
    Filed: October 29, 1993
    Date of Patent: November 29, 1994
    Assignee: Hunter Fan Company
    Inventor: Masao Tsuji
  • Patent number: D352931
    Type: Grant
    Filed: October 29, 1993
    Date of Patent: November 29, 1994
    Assignee: Hunter Fan Company
    Inventor: Masao Tsuji
  • Patent number: D354804
    Type: Grant
    Filed: March 30, 1994
    Date of Patent: January 24, 1995
    Assignee: Hunter Fan Company
    Inventor: Masao Tsuji
  • Patent number: D355028
    Type: Grant
    Filed: March 24, 1994
    Date of Patent: January 31, 1995
    Assignee: Hunter Fan Company
    Inventor: Masao Tsuji
  • Patent number: D356176
    Type: Grant
    Filed: October 27, 1993
    Date of Patent: March 7, 1995
    Assignee: Hunter Fan Company
    Inventor: Masao Tsuji
  • Patent number: D358877
    Type: Grant
    Filed: July 7, 1994
    Date of Patent: May 30, 1995
    Assignee: Hunter Fan Company
    Inventor: Masao Tsuji