Koei Igarashi

Patent Attorney, Patent Attorney Qualified to Serve in Infringement Proceedings

Practice Area
Technical Field

Chemistry, Biotechnology, Pharmaceuticals

Mr. Igarashi specializes in organic and polymeric materials. He handles prosecution, expert opinions, and licensing in the field of organic materials, inorganic materials, and metal materials for Japanese and foreign clients. He also has experience in the research and development of amorphous polyesters and cellulose particles for liquid chromatography fillers.


Prosecution, oppositions, expert opinions, and trials for invalidation


M.S., Department of Organic and Polymeric Materials, Tokyo Institute of Technology

Professional Background

Kanebo, Ltd.; Ohara, Inc.; Private patent firm