Toshiki Sakai


Patent attorney

Area of Practice

Organic chemistry, polymer materials, fibers, pharmaceuticals, medical treatments, metallic materials


  • Kobe University (Bachelor of Agriculture , Plant Resource Science , 2006)
  • Nara Institute of Science and Technology Graduate University (Master of Biological Science, Cell Proliferation , 2008)


  • Toshiki SAKAI started working in the Intellectual Property field with joining U’sfi Patent Attorneys International Office in 2012.


  • Patent attorney (2017)


I am involved in interesting inventions in various fields such as organic chemistry, polymer materials, and fibers, etc. I always strive to support our clients so that they can acquire broad and strong rights. Of course, I wish to do my best to support our clients while considering examination trends, etc. in each country so that they can acquire broad and strong rights not only in Japan but also in foreign countries.