Patents by Inventor Shiro Tachikawa

Shiro Tachikawa 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).

  • Memory enhancer containing 2-(7-indenyloxymethyl-morpholine
    Patent number: 4297356
    Abstract: A memory enhancer comprising a composition containing 2-(7-indenyloxymethyl)-morpholine or an acid addition salt thereof as the effective component.
    Type: Grant
    Filed: August 25, 1980
    Date of Patent: October 27, 1981
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Minoru Yamamoto, Shiro Tachikawa, Hiroo Maeno
  • N-1-Benzyl-3-pyrrolidinyl-4-dimethylamino benzamide derivatives
    Patent number: 4197243
    Abstract: The compounds of this invention are strong central nervous system depressants, in particular strong antipsychotics.
    Type: Grant
    Filed: May 15, 1978
    Date of Patent: April 8, 1980
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Masuo Murakami, Kozo Takahashi, Yasufumi Hirata, Mutsuo Takashima, Sumio Iwanami, Osamu Hasegawa, Yoshihisa Nozaki, Shiro Tachikawa, Masaaki Takeda, Shinji Usuda
  • 4-(Alkylamino-2-hydroxypropoxy)-indenes and method of use
    Patent number: 4127675
    Abstract: Novel indene derivatives represented by the general formula ##STR1## wherein R represents lower alkyl, phenylloweralkyl or lower cycloalkyl, and acid addition salts thereof useful as .beta.-receptor antagonists.
    Type: Grant
    Filed: October 21, 1976
    Date of Patent: November 28, 1978
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Masuo Murakami, Kiyoshi Murase, Kunihiro Niigata, Shiro Tachikawa, Toichi Takenaka
  • 2-(Indenyloxymethyl) morpholine derivatives
    Patent number: 4109088
    Abstract: 2-(Indenyloxymethyl) morpholine derivatives are disclosed. These derivatives are excellent in methamphetamine stereotyped increasing and antireserpine activities which are useful as antidepression agents.
    Type: Grant
    Filed: February 25, 1977
    Date of Patent: August 22, 1978
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Masuo Murakami, Kozo Takahashi, Yuji Kawashima, Tadao Kojima, Kunihiro Niigata, Takashi Fujikura, Yoshihisa Nozaki, Shiro Tachikawa, Shinji Usuda, Soichi Kagami
  • Pyrrolidinyl and piperidinyl benzamide derivatives
    Patent number: 4097487
    Abstract: The compounds of this invention are strong central nervous system depressants, in particular strong antipsychotics.
    Type: Grant
    Filed: March 29, 1976
    Date of Patent: June 27, 1978
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Masuo Murakami, Kozo Takahashi, Yasufumi Hirata, Mutsuo Takashima, Sumio Iwanami, Osamu Hasegawa, Yoshihisa Nozaki, Shiro Tachikawa, Masaaki Takeda, Shinji Usuda
  • 4-(3-Isopropylamino-2-hydroxypropoxy indene
    Patent number: 4045482
    Abstract: Novel indene derivatives represented by the general formula ##STR1## wherein R represents lower alkyl, phenylloweralkyl or lower cycloalkyl, and acid addition salts thereof useful as .beta.-receptor antagonists.
    Type: Grant
    Filed: April 14, 1975
    Date of Patent: August 30, 1977
    Assignee: Yamanouchi Pharmaceutical Co. Ltd.
    Inventors: Masuo Murakami, Kiyoshi Murase, Kunihiro Niigata, Shiro Tachikawa, Toichi Takenaka