Born 1964, Mr. Nagahama received his B.C. in Chemistry from Tohoku University in 1987 and qualified as a patent attorney in 1995.
He is a member of Japanese Patent Attorneys Association (JPAA).
He specializes in prosecutions and opinions in the Pharmaceutical, Petrochemical, Organic Materials, Metallic Materials, Optical Materials, Electrochemical and Biotechnology fields.
Prior to establishing his own office in 2003, he was with Soei Patent & Law Firm (1995 to 2003), Itoh & Company (another patent firm, 1988 to 1994) and Nippon Steel Corporation (1987 to 1988). He has been a visiting professor of Intellectual Property on Chemistry at Tohoku University since 2006.

Born 1968, Mr. Hashimoto received Master of Science from Tohoku University in 1993 and qualified as a patent attorney in 1995.
He specializes in prosecutions and opinions in the Pharmaceutical and Biotechnology fields.
He was with Shimizu Patent Office from 1996 to 2005. He has been an visiting Associate Professor of Intellectual Property on Life Science Technology at Tokyo Medical and Dental University since 2005.

Born in 1963, Mr. Osawa received Master of Science in Biochemistry from Saitama University in 1987. He was qualified as a patent attorney (Japan) in 1992 and also admitted to the NY bar (U.S.) in 2001 and the DC bar (U.S.) in 2002. He was registered to practice before the U.S. Patent and Trademark Office in 2002 under limited recognition. He specializes in litigation, opinions, patent prosecutions, and patent consulting in the Pharmaceutical, Biotechnology and Organic Material fields. He was with Hoechst Japan Co., Ltd. (1987 to 1993), with Matsui & Associates (1994 to 1996), with Soei Patent & Law Firm (1997 to 2000), Morgan & Finnegan, LLP (2000 to 2003), Eisai Co., Ltd. (2003 to 2006), and Banyu Pharmaceutical Co., & Ltd. (Merck & Co., Inc.) (2006 to 2009). He has been a visiting professor of Tohoku University Translational Research Center since 2008. He has been a partner of Ditthavong, Mori & Steiner, P.C. since 2009.

Born 1972, Mr. Miyakawa received his B.C. in Chemistry from Rikkyo University in 1996 and qualified as a patent attorney in 2003.
He is a member of Japanese Patent Attorneys Association (JPAA).
He specializes in prosecutions and opinions in the Organic Chemistry, Electrochemistry, and Inorganic Chemistry.

Born 1970, Mr. Horie received Ph.D. in Chemical Engineering from Osaka University in 1998.
He specialized in assistance of patent prosecutions in the Reaction Engineering, Organic Chemistry and Electronic Materials.

Born 1977, Mr. Konishi received Master of Technology in Biotechnology from Tokyo Institute of Technology in 2002. He specialized in patent prosecutions in the Molecular Biology, Biochemistry, Biotechnology, Genetic Engineering and Organic Chemistry.