Patents by Inventor Tomoyuki Hasegawa

Tomoyuki Hasegawa 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: 20050004096
    Abstract: Indole derivatives represented by formula (I) wherein all symbols represent the same as that in specification), production methods thereof, and DP receptor antagonist comprising them as active ingredients. Since the compounds of formula (I) binds and antagonizes to DP receptor, they are useful for the prevention and/or treatment against allergic diseases, diseases accompanied with itching, secondary diseases generated by behaviors caused by itching, inflammation, chronic obstructive pulmonary disease, ischemic reperfusion disorder, cerebrovascular disorder, pleuritis complicated by rheumatoid arthritis, ulcerative colitis.
    Type: Application
    Filed: September 6, 2002
    Publication date: January 6, 2005
    Inventors: Kazuhiko Torisu, Tomoyuki Hasegawa, Kaoru Kobayashi, Fumio Nambu
  • Publication number: 20040092750
    Abstract: 2-Methylindole-4-acetic acid, which is represented by the formula (I) and is an intermediate for an important indole derivative as medicines; and a process for producing the compound and the synthetic intermediates.
    Type: Application
    Filed: August 29, 2003
    Publication date: May 13, 2004
    Inventors: Tomoyuki Hasegawa, Yasufumi Kawanaka
  • Publication number: 20030036921
    Abstract: The consultant server and the consultation method are provided for fixing a user's fee and a rating for each service, notifying the user of the information, and allocating the user's fee among service providers based on the rating when a user obtains a service via the Internet. The consultant server includes a sending/receiving device by which evaluation information input by a user who has obtained a service, a information-processing device which fixes a user's fee and a rating for each service based on the evaluation information, a sending/receiving device which sends information about the above described user's fee and rating for each service to a user's personal computer and the like, an information-processing device which allocates user's fees for services among service providers based on the rating.
    Type: Application
    Filed: August 15, 2002
    Publication date: February 20, 2003
    Inventors: Atsushi Ito, Tomoyuki Hasegawa, Iwao Kawashima, Kanji Nakanishi, Koki Okamura, Norihisa Haneda