


クライアントの
未来を拓く権利を、愚直に
Earnestly pursuing the rights
to shape our clients’ future

To Foreign Proprietor,
Applicants
and Patent Firms
If you or your clients are considering filing patent applications in Japan, having a reliable partner to ensure a smooth and efficient rights acquisition process is essential. Our firm, led by patent attorneys with extensive expertise in Japanese patent practice, offers prompt and precise services tailored to your needs.
Expertise and Experience in Japanese Patent Practice
Our patent attorney has in-depth experience as a former examiner at the Japan Patent Office and as an Intellectual Property Rights Specialist at customs. This unique background allows us to navigate the entire process of prosecution, ensuring high-quality service aligned with the needs of foreign partners.
Seamless Support for Rights Registration
We focus on clear and efficient communication with foreign partners, streamlining processes to minimize delays. Our guidance on Japan-specific legal and procedural requirements ensures smooth and stress-free operations for you.
A Trusted Partner for Your Success
More than just acting as an agent, we aim to empower your business in the Japanese market. By providing strategic insights and maximizing the value of intellectual property rights, we help optimize your success.
At our firm, we are committed to being your trusted partner in Japan. Contact us today to discuss how we can assist you.
Takahiro SATO
Representative, Patent Attorney
1999: Completed Master’s Program (Aerospace Engineering), Graduate School of Engineering, Tohoku University
1999: Joined Hitachi Zosen Corporation
2004: Joined the Japan Patent Office
2014: Joined Suma Patent Office
2017: Joined Washida International Patent Office
2022: Joined Tokyo Customs
2024: Established SATO-TA IP OFFICE
Zenichi KAKINUMA
Patent Attorney
Graduated from the Faculty of Engineering, Gunma University
Joined Sanyo Electric Co., Ltd.
2004: Joined the Japan Patent Office
2024: Joined SATO-TA IP OFFICE


SERVICE
Intellectual Property Support Leveraging Experience as a Patent Examiner and Senior Intellectual Property Rights Specialist at Tokyo Customs
We leverage our experience as a patent examiner and a Senior IPR Specialist at Customs to assist in obtaining “valuable” patents and contribute to protecting our clients’ businesses through the acquired intellectual property rights.
1. We bring a background as patent examiners and provide amendments and arguments backed by our extensive experience.
2. Drawing on our experience as an IPR Specialist at customs, we work to prevent counterfeit versions of our foreign clients’ brands from infiltrating the Japanese market.
OUR OFFICE
- Name:
- SATO-TA Intellectual Property Office
- Location:
- Hills 884 Ochanomizu Building 4F-09,
3-4-3 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
- TEL:
- +81-70-9195-0310
- Email:
- info@sato-ta.com
- Representative:
- Takahiro SATO, Patent Attorney
- Transportation:
- 8 to 9 minutes walk from Ochanomizu station or Hongo-sanchome station