Yoshiyuki HIRAKAWA

An Organic Acid-Induced Sigmoidal Release System for Oral Controlled-Release Preparations

Shinji Narisawa, Minako Nagata, Chieko Danyoshi et al. · Pharmaceutical Research · 1994 · 103 citations

An Organic Acid-Induced Sigmoidal Release System for Oral Controlled-Release Preparations. 2. Permeability Enhancement of Eudragit RS Coating Led by the Physicochemical Interactions with Organic Acid

Shinji Narisawa, Minako Nagata, Yoshiyuki HIRAKAWA et al. · Journal of Pharmaceutical Sciences · 1996 · 91 citations

Design and Preparation of Pulsatile Release Tablet as a New Oral Drug Delivery System.

Ryuzo ISHINO, Hiroyuki Yoshino, Yoshiyuki HIRAKAWA et al. · Chemical and Pharmaceutical Bulletin · 1992 · 54 citations · Full text

Site Specific Delivery, Pharmaceutical Science, Medicine +12

Drug release behavior in gastrointestinal tract of beagle dogs from multiple unit type rate-controlled or time-controlled release preparations coated with insoluble polymer-based film

Shinji Narisawa, Minako Nagata, Takahiro Ito et al. · Journal of Controlled Release · 1995 · 44 citations

Medicine, Gastroenterology, Veterinary Science +7

Porosity-controlled ethylcellulose film coating. II. Spontaneous porous film formation in the spraying process and its solute permeability

Shinji Narisawa, Hiroyuki Yoshino, Yoshiyuki HIRAKAWA et al. · International Journal of Pharmaceutics · 1994 · 39 citations

Materials Science, Thermal Spray Coating, Chemical Engineering +6