Hiroki Tanisaka

Title: Hiroki Tanisaka: Pharmaceutical Formulation Inventor

Introduction

Hiroki Tanisaka is an inventor based in Kanagawa, Japan, associated with Fujifilm Corporation. His patent work includes pharmaceutical formulations designed to address stability, composition, and manufacturing considerations. The supplied information lists 3 patents.

Latest Patents

- **Liquid medicinal preparation.** This invention describes a liquid preparation containing 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl)cytosine, or a salt thereof, a low-molecular-weight polyhydric alcohol, and water. Its stated aim is to prevent precipitate formation and support mass production. Preferred polyhydric alcohols include glycerin, propylene glycol, and butanediol.

- **Pharmaceutical composition.** This invention concerns a composition containing at least 8% fulvestrant by mass, an aqueous solvent, and a pharmaceutically acceptable nonaqueous carrier. The specified formulation includes ethanol and propylene glycol or 1,3-butylene glycol, while limiting benzyl alcohol and benzyl benzoate. It also sets ranges for the aqueous solvent and nonaqueous carrier.

Career Highlights

Tanisaka’s listed inventions focus on pharmaceutical formulation, including liquid medicinal preparations and compositions containing fulvestrant. The supplied patent information emphasizes ingredient selection and concentration limits as key features of these formulations.

Collaborations

The supplied information identifies Kyoko Senga and Tatsuya Murakami as Tanisaka’s coworkers. No specific co-inventorship or collaboration details were provided.

Conclusion

Hiroki Tanisaka’s listed patent work reflects a focus on pharmaceutical formulations, with attention to precipitation control, ingredient proportions, and production suitability.