Professionals

Our patent attorneys possess diverse technical backgrounds and extensive practical experience across all areas of intellectual property.

Partner/Patent Attorney

ATSUSHI ITO

Patent Attorney (Reg. No. 12560)
Certified for Specific Infringement Litigation

TECHNICAL FIELD

• Control Engineering, Mechanical Engineering, Legal Proceedings (e.g., Invalidation Trials, Arbitration, Mediation), Appraisals, IP Consulting, Design, Trademarks, and other fields
• Experienced in infringement lawsuits
• Extensive experience as an IP lecturer for corporate clients

EDUCATION AND CAREER

• Master’s degree in Production Systems Engineering, School of Nagoya Institute of Technology
• Worked in the Intellectual Property Department of a major housing equipment manufacturer
• Registered as a Patent Attorney in Japan (2002)
• Certified as a Specific Infringement Lawsuit Counsel (2005)
• Joined GRANDOM Patent Law Firm (2006)
• Vice President of Japan Patent Attorneys Association (JPAA) Tokai Branch (2018)
• Adjunct Lecturer at Nagoya Institute of Technology (2024)

MEMBERSHIP

Japan Patent Attorneys Association (JPAA)

Partner/Patent Attorney

YOSHINORI HAGINO

Patent Attorney (Reg. No. 11713)
Certified for Specific Infringement Litigation

TECHNICAL FIELD

• Chemistry, Mechanical Engineering, and other fields
• Experienced in infringement lawsuits and litigation for rescinding trial decisions
• Extensive experience as an IP lecturer for corporate clients

EDUCATION AND CAREER

• Bachelor’s degree in Chemistry, School of Science, The University of Tokyo
• Engaged in R&D at a machinery manufacturer (1992)
• Visiting Fellow at University of Connecticut (1993–1995)
• Joined a patent law firm in Nagoya (2000)
• Registered as a Patent Attorney in Japan (2000)
• Certified as a Specific Infringement Lawsuit Counsel (2006)
• Practical Training Lecturer at JPAA Training Institute (2009–)
• In-house Patent Attorney at the National Institute of Advanced Industrial Science and Technology (AIST) (2015–2019)
• Joined GRANDOM Patent Law Firm (2016)

MEMBERSHIP

Japan Patent Attorneys Association (JPAA)

Partner/Patent Attorney

YASUHIRO WATANABE

Patent Attorney (Reg. No. 13666)

TECHNICAL FIELD

• Pharmacy, Food Chemistry, Materials Science, Mechanical Engineering, Design, Trademarks, and other fields

EDUCATION AND CAREER

• Master’s Degree in Pharmaceutical Sciences, Nagoya City University
• Passed the National Pharmacist Exam (1989)
• Worked at a manufacturer
• Joined a patent law firm in Gifu (1998)
• Joined a patent law firm in Nagoya (2002)
• Registered as a Patent Attorney in Japan (2004)
• Joined GRANDOM Patent Law Firm (2006)

MEMBERSHIP

Japan Patent Attorneys Association (JPAA)

Patent Attorney

HIROTAKA MATSUI

Patent Attorney (Reg. No. 20101)

TECHNICAL FIELD

• Electrical Engineering, Electronic Engineering, Mechanical Engineering, Control Engineering, Design, and other fields

EDUCATION AND CAREER

• Master’s Degree in Materials, Physics and Energy Engineering, Nagoya University
• Joined a patent law firm (2010)
• Registered as a Patent Attorney in Japan (2015)
• Joined GRANDOM Patent Law Firm (2016)

MEMBERSHIP

Japan Patent Attorneys Association (JPAA)

Patent Attorney

YUKIO KAMIYA

Patent Attorney (Reg. No. 19152)

TECHNICAL FIELD

• Control Engineering, Mechanical Engineering, Construction Engineering, Trademarks, and other fields

EDUCATION AND CAREER

• Bachelor’s Degree in Architecture, Kansai University
• Joined a construction company (2005)
• Worked in IP at an information equipment manufacturer (2006)
• Registered as a Patent Attorney in Japan (2009)
• Joined a patent law firm (2013)
• Established a patent law firm (2015)
• Joined GRANDOM Patent Law Firm (2017)

MEMBERSHIP

Japan Patent Attorneys Association (JPAA)

Patent Attorney

SAEKO KUME

Patent Attorney (Reg. No. 17200)

TECHNICAL FIELD

• Mechanical Engineering, Chemistry, and other fields

EDUCATION AND CAREER

• Master’s Degree in Informatics for Material Sciences, Nagoya University
• Worked as a high school teacher, then served as a local government officer
• Registered as a Patent Attorney in Japan (2010)
• Joined a patent law firm (2010)
• Worked in IP at an IP-related company, then joined a patent law firm (2016–2018)
• Joined GRANDOM Patent Law Firm (2018)

MEMBERSHIP

Japan Patent Attorneys Association (JPAA)