Keiichi Yoshihara

Extended release of a large amount of highly water-soluble diltiazem hydrochloride by utilizing counter polymer in polyethylene oxides (PEO)/polyethylene glycol (PEG) matrix tablets

Hiroyuki Kojima, Keiichi Yoshihara, Toyohiro Sawada et al. · European Journal of Pharmaceutics and Biopharmaceutics · 2008 · 81 citations

Pharmacy, Pharmaceutics, Pharmacology +15

Aminoalkyl methacrylate copolymers for improving the solubility of tacrolimus. I: Evaluation of solid dispersion formulations

Takatsune Yoshida, Ippei Kurimoto, Keiichi Yoshihara et al. · International Journal of Pharmaceutics · 2012 · 52 citations

Pharmacy, Pharmaceutics, Pharmacokinetics +12

Timed‐release formulation to avoid drug–drug interaction between diltiazem and midazolam

Toyohiro Sawada, Kazuhiro Sako, Keiichi Yoshihara et al. · Journal of Pharmaceutical Sciences · 2003 · 33 citations

Pharmacy, Pharmaceutics, Pharmacology +14

Oral sustained-release suspension based on a lauryl sulfate salt/complex

Yuuki Kasashima, Shinya Uchida, Keiichi Yoshihara et al. · International Journal of Pharmaceutics · 2016 · 17 citations

Pharmacy, Pharmaceutics, Bioavailability +13

Binding Constants of Symmetric or Antisymmetric Electrolytes and Aggregation Numbers of Oil-in-Water Type Microemulsions with a Nonionic Surfactant

Keiichi Yoshihara, Hiroyuki Ohshima, Nobuyuki Momozawa et al. · Langmuir · 1995 · 10 citations

Natural Sciences, Chemistry, Electrochemistry +14