Prosecution, opinions, trials for invalidation, oppositions, and suits against trial decisions. Mr. Jitsuhiro specializes in organic synthetic chemistry, pharmaceuticals, cosmetics, polymer chemistry, polymer processing, molding techniques, xerography, lithography, rapid prototyping methods, and plastic recycling. He was an examiner in the Polymer Processing Division (JPO), 1993 - 1997, and a consultant at the Center for Intellectual Property Rights in Saga Prefecture, 1997 - 1998. He has served as a lecturer for a training course at the Japan Intellectual Property Association since 2006.