Ms. Hamada is a Representative Partner of Eikoh Patent Firm since 2011. She received her degree in Chemistry from the University of Tokyo, and after graduation, worked for Sagami Chemical Research Center. She registered as a patent attorney in 1983, and then worked for a Japanese patent firm. She has been with Eikoh Patent Firm since 1985, with a three-year hiatus from 2006 to 2009, when she was selected by Japanese Patent Attorneys Association (JPAA) as one of seven judicial research officials having technical backgrounds in the Intellectual Property Division of Tokyo District Court. She was an Executive Director of Japanese Patent Attorneys Association (JPAA) from 2013 to 2015 and was a Vice President of JPAA in 2020-2021. Membership: Japanese Patent Attorneys Association (JPAA), The Asian Patent Attorney Association (APAA) , AIPPI

Mr. Kitajima joined Eikoh Patent Firm in 2013 and is a Partner since 2015. He received his degree in Electrical Engineering from Waseda University. He registered as a Patent Attorney in 2013. Before he joined Eikoh Patent Firm in 2013, he worked at the JPO, initially as a Patent Examiner, an Appeal Examiner, and a Director in the Appeals Department of the JPO.

Mr. Hashimoto received his master's degree in Physics/Material Engineering from Yokohama National University. He joined NGB Corporation, Patent Department directly after graduation, where he worked exclusively on cases related to foreign IP. He registered as a Patent Attorney in 2001. He moved from NGB Corporation, Patent Department to Eikoh Patent Firm in 2004.He is also a Registered Management Consultant.

Dr. Furudate received her doctorate in Biochemistry from Tokyo Institute of Technology. She registered as a Patent Attorney in 2003, and worked for a Japanese patent firm. She joined Eikoh Patent Firm in 2006.

Mr. Yoshida received his master's degree in Electronic and Information Engineering from Graduate School of Osaka Prefecture University. After he worked for several major Japanese electronics manufacturers, and registered as a Patent Attorney in 2005. He joined Eikoh Patent Firm in 2009.

Ms. Yamashita graduated from Keio University, Department of English and American Literature, and received a master's degree in Intellectual Property from Graduate School of International Corporate Strategy, Hitotsubashi University. She registered as a Patent Attorney in 2006. After she worked for a Japanese patent firm, she joined Eikoh Patent Firm in 2013, where she represents primarily trademark-related issues before the JPO.

Ms. Bando graduated from Chuo University, Faculty of Law, Department of Law. She registered as a Patent Attorney in 2007. After she worked for NGB Corporation, Trademark Department, where she handled cases related to foreign trademarks, she joined Eikoh Patent Firm in 2016, where she represents primarily trademark-related issues before the JPO.

Mr. TAKATA graduated from Soka University, Faculty of Economics, Department of Economics. He registered as a Patent Attorney in 2009. He joined Eikoh Patent Firm in 2018, where he represents primarily trademark-related issues before the JPO.

Ms. Yamazaki received her master's degree in Chemical/Material Science from Nagoya University. She joined Eikoh Patent Firm directly after graduation, and registered as a Patent Attorney in 2011.

Ms. Goto received her master's degree in Micro Systems Engineering from Nagoya University. She joined Eikoh Patent Firm directly after graduation. Then, after she worked for NGB Corporation, Patent Department exclusively on cases related to foreign IP, she rejoined Eikoh Patent Firm in 2016. She registered as a Patent Attorney in 2011.

Ms. Kondo received her master's degree in law from Graduate School of Law, Nihon University. She registered as a Patent Attorney in 2020. Having worked for a Japanese patent law firm for 5 years, she joined Eikoh P.C. in 2024. Her prosecution practice mainly focuses on trademark and its related matters. She also has considerable experiences in handling design applications before the JPO.

Mr. Miki received his master's degree in Chemistry from Graduate School of Engineering Science, Osaka University. He worked for IP department of major Japanese automotive company directly after graduation, and registered as a Patent Attorney in 2007. He joined Eikoh Patent Firm in 2017.

Mr. Morino received his master's degree in Micro Systems Engineering from Nagoya University. He joined NGB Corporation, Patent Department directly after graduation, where he worked exclusively on cases related to foreign IP. He registered as a Patent Attorney in 2012. He joined Eikoh Patent Firm, P.C. in 2015 after working for other patent firm.

Ms. Homma received a master's degree in Material Science and Engineering from Graduate School of Engineering, Yokohama National University. She joined Eikoh Patent Firm after graduation, and registered as a Patent Attorney in 2013.

Mr. Hanasaka received his master's degrees in Electrical and Communication Engineering from Tohoku University and Electrical Engineering from Columbia University. After he worked for a Japanese patent firm, he joined NGB Corporation, Patent Department, where he worked exclusively on cases related to foreign IP. He registered as a Patent Attorney in 2013. He moved from NGB Corporation, Patent Department to Eikoh Patent Firm in 2014.

Mr. Yokokawa received his master's degree in Material Chemistry from Graduate School of Engineering, Kyoto University. He joined NGB Corporation, Patent Department directly after graduation, where he worked exclusively on cases related to foreign IP. He received training at Sughrue Mion, PLLC in the United States and passed the U.S. Patent Agent examination in 2011. He registered as a Patent Attorney in 2013. He moved from NGB Corporation, Patent Department to Eikoh Patent Firm in 2014.

Mr. Takeshita graduated from Kyoto University, Faculty of Agriculture, Department of Bioresource Science. He worked as a public employee directly after graduation, and then joined Eikoh Patent Firm in 2014. He registered as a Patent Attorney in 2014.