
Representative Partner
Patent Attorney
Hirohito YAMAJI
After engaging in international sales and marketing at a general electronics manufacturer, he joined Mizoi International Patent Firm in 1998.
Technical field:
Machinery, Software, and Computer
Education:
Bachelor’s Degree, School of International Politics, Economics and Communication, Bachelor’s Degree, College of Engineering, Shibaura Institute of Technology
Professional Career:
International sales and marketing of semiconductor devices
Certifications:
U.S.Patent Bar(not registered), and EIKEN Grade 1

Representative Partner
Patent Attorney
Mitsutaka YAMAKI
After engaging in system design at an IT consulting company, he joined Mizoi International Patent Firm in 2004.
Technical field:
Software, Computer and Network
Education:
Master’s Degree, Graduate School of Science and Engineering, Chuo University
Professional Career:
System engineer at an IT consulting company
Certifications:
Class 1 Information Technology Engineer, and Specific Infringement Litigation Representation Examination

Representative Partner
Patent Attorney
Hirohito YAMAJI
After engaging in international sales and marketing at a general electronics manufacturer, he joined Mizoi International Patent Firm in 1998.
Technical field:
Machinery, Software, and Computer
Education:
Bachelor’s Degree, School of International Politics, Economics and Communication, Bachelor’s Degree, College of Engineering, Shibaura Institute of Technology
Professional Career:
International sales and marketing of semiconductor devices
Certifications:
U.S.Patent Bar(not registered), and EIKEN Grade 1

Representative Partner
Patent Attorney
Mitsutaka YAMAKI
After engaging in system design at an IT consulting company, he joined Mizoi International Patent Firm in 2004.
Technical field:
Software, Computer and Network
Education:
Master’s Degree, Graduate School of Science and Engineering, Chuo University
Professional Career:
System engineer at an IT consulting company
Certifications:
Class 1 Information Technology Engineer, and Specific Infringement Litigation Representation Examination
Patent Attorney
Shoji MIZOI
After engaging in software design, being stationed in the United States, and working on intellectual property practice at a general electronics manufacturer, he established Mizoi International Patent Firm in 1990.
Technical field:
Structure, Mechanism, Hardware, and Software
Education:
Bachelor’s Degree, Faculty of Engineering, Keio University, Master’s Degree, Graduate School of administrative engineering, Keio University, Bachelor’s Degree, Faculty of Law, Keio University.
Professional Career:
Programmer, and System Engineer
Certifications:
Class 1 Information Technology Engineer, and Specific Infringement Litigation Representation Examination
Patent Attorney
Yasuko HASEGAWA
After engaging in software design at a general electronics manufacturer, she joined Mizoi International Patent Firm in 2000.
Technical field:
Structure, Mechanism, Software, Computer, and Network
Education:
Bachelor’s Degree, Faculty of Science Division I, Tokyo University of Science
Professional Career:
System engineer at a general electronics manufacturer
Patent Attorney
Noritake KANESHIRO
After engaging in software development at a general electronics manufacturer, he joined Mizoi International Patent Firm in 2019.
Technical field:
Software, and Computer
Education:
Bachelor’s Degree, Faculty of Science, Tokyo Institute of Technology, Master’s Degree, Graduate School of Information Science and Technology, Tokyo Institute of Technology
Professional Career:
System engineer at a general electronics manufacturer
Patent Attorney
Shoji MIZOI
After engaging in software design, being stationed in the United States, and working on intellectual property practice at a general electronics manufacturer, he established Mizoi International Patent Firm in 1990.
Technical field:
Structure, Mechanism, Hardware, and Software
Education:
Bachelor’s Degree, Faculty of Engineering, Keio University, Master’s Degree, Graduate School of administrative engineering, Keio University, Bachelor’s Degree, Faculty of Law, Keio University.
Professional Career:
Programmer, and System Engineer
Certifications:
Class 1 Information Technology Engineer, and Specific Infringement Litigation Representation Examination
Patent Attorney
Yasuko HASEGAWA
After engaging in software design at a general electronics manufacturer, she joined Mizoi International Patent Firm in 2000.
Technical field:
Structure, Mechanism, Software, Computer, and Network
Education:
Bachelor’s Degree, Faculty of Science Division I, Tokyo University of Science
Professional Career:
System engineer at a general electronics manufacturer
Patent Attorney
Noritake KANESHIRO
After engaging in software development at a general electronics manufacturer, he joined Mizoi International Patent Firm in 2019.
Technical field:
Software, and Computer
Education:
Bachelor’s Degree, Faculty of Science, Tokyo Institute of Technology, Master’s Degree, Graduate School of Information Science and Technology, Tokyo Institute of Technology
Professional Career:
System engineer at a general electronics manufacturer
Cross-Border Patent Firm
3F 2-17-10 Ofuna, Kamakura, Kanagawa 247-0056 Japan
TEL:81-467-46-6654
FAX:81-467-46-6694