Patents by Inventor Ayako Kawashima

Ayako Kawashima 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).

  • Ophthalmic preparations
    Patent number: 6232343
    Abstract: An ophthalmic preparation which exhibits excellent pharmacological effects for various ophthalmic diseases is disclosed. The ophthalmic preparation according to the present invention contains a 4,8-inter-m-phenylene prostaglandin I2 derivative represented by the formula (I): or a pharmaceutically acceptable salt thereof as an effective ingredient.
    Type: Grant
    Filed: March 9, 1998
    Date of Patent: May 15, 2001
    Assignee: Toray Industries, Inc.
    Inventors: Takashi Ikari, Yuzuru Matsumura, Tsutomu Nakamura, Motoyuki Yajima, Hajimu Kurumatani, Ayako Kawashima, Masafumi Isogaya, Hisanori Wakita
  • Ocular depressor
    Patent number: 6127413
    Abstract: This invention relates to an agent for decreasing ocular tension comprising as an effective ingredient a 4,8-inter-m-phenylene PGI.sub.2 derivative represented by the formula: ##STR1## or a pharmaceutically acceptable salt thereof. The agent for decreasing ocular tension according to the present invention is useful as a therapeutic agent for treating various high ocular tension states such as glaucoma, ocular hypertension and high ocular tension which occurs after surgery.
    Type: Grant
    Filed: October 15, 1997
    Date of Patent: October 3, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Hajimu Kurumatani, Ayako Kawashima, Masafumi Isogaya, Hisanori Wakita