Yusuke Watanuki

Title: Yusuke Watanuki and His Work on Single-Polymer Particles.

Introduction

Yusuke Watanuki is an inventor associated with Tokyo, Japan, and the National Institutes for Quantum Science and Technology. His patent work addresses the design and production of single-macromolecule particles with carefully controlled properties, alongside potential applications in biological imaging and tumor measurement.

Latest Patents

Watanuki is named on 1 patent: “Single-polymer particles, active molecular complex, method for producing single-polymer particles, method for measuring tumor size, method for measuring fine structure within tumor, method for imaging biological tissue, drug delivery system, and contrast agent kit.”

The invention describes particles formed from a single macromolecule and characterized by a molecular weight distribution of no more than 1.5. This approach is intended to enable more accurate control of particle hydrodynamic diameter. The disclosed macromolecule may consist of a single hydrophilic polymer, or of a hydrophilic polymer main chain bearing one or more hydrophilic polymer side chains. The patent also describes related methods and applications, including biological tissue imaging, tumor measurement, drug delivery, and contrast-agent kits.

Career Highlights

A key highlight of Watanuki’s patent record is its focus on connecting polymer design with biomedical applications. The invention’s controlled particle dimensions may support techniques for imaging tissue and assessing tumor size and fine structure.

Collaborations

The patent lists Kensuke Osada and Kazuaki Rikiyama among Watanuki’s coworkers. The work is associated with the National Institutes for Quantum Science and Technology.

Conclusion

Yusuke Watanuki’s patent presents a single-macromolecule particle design intended to improve control over hydrodynamic diameter and support biomedical imaging, tumor measurement, and drug-delivery applications.