He has been involved with various patent matters and is well-versed in international and domestic patent filing, prosecution and litigation. He specialises in biochemistry, pharmaceuticals and agrochemistry. He acts as a technical advisor in intellectual property lawsuits at the Tokyo District Court and IP High Court. He graduated from the University of Tokyo in 1987, and was admitted in 1999. He received a Ph.D. degree in Biochemistry from the University of Tokyo in 1999. He is fluent in English.