Toru Takeshita

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Hino, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vitamin D.sub.3 derivatives, process for preparation thereof, and a...
- Patent number 4,456,553
- Issue date Jun 26, 1984
- Teijin Limited
- Jun-ichi Oshida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aminocarboxylic acids, amino alcohols, or the derivatives thereof,...
- Patent number 4,402,975
- Issue date Sep 6, 1983
- Teijin Limited
- Toru Takeshita
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the preparation of active-type vitamin D.sub.3 compounds
- Patent number 4,388,243
- Issue date Jun 14, 1983
- Teijin Limited
- Osamu Nishikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing steroid compounds having an oxo group in the...
- Patent number 4,298,537
- Issue date Nov 3, 1981
- Teijin Limited
- Osamu Nishikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
25-Hydroxy-24-oxocholestane derivatives and preparation thereof
- Patent number 4,292,249
- Issue date Sep 29, 1981
- Teijin Limited
- Osamu Nishikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel 1.alpha.-hydroxy-24-oxovitamin D.sub.3, its preparing process...
- Patent number 4,199,577
- Issue date Apr 22, 1980
- Teijin Limited
- Toru Takeshita
- C07 - ORGANIC CHEMISTRY