
Representative Partner
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

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
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

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
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
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
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
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
MAIL:contact@cross-border.or.jp
Cross-Border Patent Firm
3F 2-17-10 Ofuna, Kamakura, Kanagawa 247-0056 Japan
TEL:81-467-46-6654
FAX:81-467-46-6694
MAIL:contact@cross-border.or.jp