Toshiyuki Niwa

Title: The Innovative Contributions of Toshiyuki Niwa

Introduction

Toshiyuki Niwa is a notable inventor based in Gifu, Japan. He has made significant contributions to the field of medicine, particularly in the development of innovative drug delivery systems. With a total of 3 patents to his name, Niwa's work focuses on enhancing the efficacy of medications through advanced formulations.

Latest Patents

One of Niwa's latest patents is for a hollow granular medicine and its preparation. This granular medicine features slow drug-release characteristics, ensuring that it is sufficiently absorbed in the intestines. The unique design includes a hollow spherical structure, with the drug dispersed in a shell primarily composed of an enteron-soluble polymer. The preparation method involves mixing a hydrophilic or hydrophobic drug with an enteron-soluble polymer in a mixture of an aliphatic alcohol and a chlorohydrocarbon. This mixture is then poured into water or an aqueous medium, followed by stirring the solution to precipitate the medicine.

Career Highlights

Throughout his career, Toshiyuki Niwa has worked with prominent companies in the pharmaceutical industry. Notable among these are Showa Yakuhin Kako Co., Ltd. and Showa Shinyaku Co., Ltd. His experience in these organizations has contributed to his expertise in drug formulation and delivery systems.

Collaborations

Niwa has collaborated with several professionals in his field, including Yoshiaki Kawashima and Hirofumi Takeuchi. These collaborations have likely enriched his research and development efforts, leading to innovative solutions in medicine.

Conclusion

Toshiyuki Niwa's contributions to the field of medicine through his innovative patents demonstrate his commitment to improving drug delivery systems. His work continues to influence the pharmaceutical industry, paving the way for more effective treatments.