Patents by Inventor Tetsuro Shingu

Tetsuro Shingu 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).

  • Novel nitrogen-containing monoterpene derivatives
    Patent number: 4347356
    Abstract: Novel nitrogen-containing monoterpene derivatives having pyrindine skeleton and dimers, trimers and higher polymers thereof as low toxic and efficient dyestuffs. Their pharmacological effects are expected.
    Type: Grant
    Filed: March 31, 1980
    Date of Patent: August 31, 1982
    Assignee: Taito Co., Ltd.
    Inventors: Ryousuke Touyama, Hiroyuki Inouye, Tetsuro Shingu, Yoshio Takeda, Takeshi Ikumoto, Hidetoshi Okuyama, Osamu Yamamoto
  • Red coloring composite and the method for its production
    Patent number: 4247698
    Abstract: PCT No. PCT/JP78/00054 PCT Filed Dec. 14, 1978 Sec. 371 Date Aug. 9, 1979 Sec. 102(e) Date Aug. 9, 1979 PCT Pub. No. WO79/00394 PCT Pub. Date Jul. 12, 1979.Novel reddish coloring compounds of varying hue and the method for its production, obtained by reaction between iridoid compounds contained in biological substances, where if necessary, by pretreatment with chemical or enzymic means to form --COOH at the C-4 position, and in the case of glycosides by hydrolysis of iridoid compounds to aglycones with chemical or microbial or enzymic means, and a substance possessing a primary amino group under acidic condition.
    Type: Grant
    Filed: August 9, 1979
    Date of Patent: January 27, 1981
    Assignee: Taito Co., Ltd.
    Inventors: Ryosuke Toyama, Hiroyuki Inoue, Tetsuro Shingu, Yoshio Takeda, Takeshi Ikumoto, Hidetoshi Okuyama, Osamu Yamamoto
  • Nitrogen-containing monoterpene derivatives
    Patent number: 4232159
    Abstract: Novel nitrogen-containing monoterpene derivatives having pyrindine skeleton synthesized by, for example, substitution of an oxygen atom in an iridoid skeleton for a nitrogen atom as low toxic and efficient dyestuffs. Their pharmacological effects are expected.
    Type: Grant
    Filed: October 20, 1978
    Date of Patent: November 4, 1980
    Assignee: Taito Co., Ltd.
    Inventors: Ryousuke Touyama, Hiroyuki Inouye, Tetsuro Shingu, Yoshio Takeda, Takeshi Ikumoto, Hidetoshi Okuyama, Osamu Yamamoto