Expertise

Imaging Device, Image Processing, Medical Device, Analyzing Device, Illuminating Device, Semiconductor Device, Wireless Communication, Traffic Management, Business Method, Computer Memory Management, Numerical Control, Industrial Robot, Fuel Battery, Automated Control, Resin Molding, Material Engineering, etc.

Takeshi Takamatsu is a representative partner of the firm, and represents several large multinational companies in Japanese patent prosecution matters, encompassing a wide variety of technologies. He earned a bachelor's degree in Electrical Engineering at Tohoku University in 1974 and worked from 1976 to 1999 at the Japan Patent Office as a Patent Examiner and a Senior Appeal Examiner. He registered as a Patent Attorney in 1999 and joined in Koh-Ei Patent Firm in 2008.

Expertise

Mechanical Engineering, Production Engineering, Motor, Battery, Power Control Unit, Intelligent Power Unit, Hybrid System, Transmission, Control System, Motorbike, etc.

Shinya Motoyama, a partner of the firm, specializes in Mechanical Engineering. He became knowledgeable on patent systems abroad during his career on foreign patent prosecution. He earned a master's degree in Mechanical Engineering at Yokohama National University in 2003, and registered as a Patent Attorney that same year. He joined in Koh-Ei Patent Firm in 2014.

Expertise

Medical Device, Imaging Device, Metallic Heat Treatment, General Industrial Machinery, etc.

Toshiyuki Ozawa represents prosecution matters for several multinational clients. He specializes in Mechanical Engineering. He earned a master's degree in Mechanical Engineering at Tokyo Institute of Technology in 2003. He registered as a Patent Attorney in 2007. He joined in Koh-Ei Patent Firm in 2008.

Expertise

Polymer Material, Novel Compound, Inorganic Catalyst, Semiconductor Resist Material, Surface Treatment Material, Toner for Development, Optical Film, Glass, Lubricant Oil, Fibrous Material, etc.

Hidetaka Ota has more than 15-years experience in preparing and prosecuting patent applications both in Japan and foreign countries. He specializes in Chemistry and Material Engineering. He earned a master's degree in Osaka University in 1998, and registered as a Patent Attorney in 2015. He joined in Koh-Ei Patent Firm in 2015.

Expertise

Automotive, Motorbike, Outboard Marine, Engine, Motor, Transmission, Powertrain, Hybrid System, Battery, Pump, etc.

Hiroyuki Oikawa specializes in Mechanical Engineering and has long-term experience with patent searching. He earned a master's degree in the Tohoku University Graduate School of Engineering in 2005, and registered as a Patent Attorney in 2017. He joined in Koh-Ei Patent Firm in 2017.