Customized Intellectual Property Services Tailored to Your Business

Our firm provides intellectual property services to clients of various sizes, ranging from large corporations listed on the First Section of the Tokyo Stock Exchange to small and medium-sized enterprises, local companies, and venture businesses. We leverage techniques for drafting patent specifications that meet the stringent quality control of large corporate intellectual property departments, to benefit small and medium-sized enterprises’ patent application processes. Additionally, we offer outsourcing services for intellectual property tasks to small and medium-sized enterprises and venture companies that do not have their own IP departments. Particularly for companies unfamiliar with intellectual property, we provide close and empathetic support to make intellectual property more approachable and help solve their problems.

Services Provided

We offer a variety of intellectual property-related services including patent applications in the fields of machinery and software, design registration applications, trademark registration applications, foreign applications for these, evaluations, translations, research, and other intellectual property services.
Furthermore, to prevent intellectual property-related issues in your business, we offer detailed, long-term support through advisory contracts.

Patent Attorneys

Representive/Patent Attorney: Hiromoto Kashima
Patent Attorney: Hideto Furuya
Patent Attorney: Takahiro Imai


2nd Floor, Kouhou Building(紅萌ビル), 1-11-8 Nihonbashi Kayabacho, Chuo-ku, Tokyo 103-0025

1 minute walk from Exit 3 of Kayabacho Station on the Tokyo Metro Tozai and Hibiya Lines
7 minutes walk from Exit D1 of Nihonbashi Station on the Tokyo Metro Ginza and Tozai Lines, and Toei Asakusa Line
8 minutes walk from Hatchobori Station on JR East and Tokyo Metro Hibiya Line

First, head to the Kayabacho intersection. You will see the Kao Corporation building in front of you. If you are coming by subway (Tokyo Metro), exit at either Exit 3 or Exit 6 to reach the surface.

Then, move to the front of Pronto.

With Pronto directly in front of you, turn right and you will soon see the Kouhou Building. To the right of the entrance, there is an art gallery.

Enter the building and go up the stairs. You will find an elevator right in front of you. Press the button for the 2nd floor in the elevator, and our office will be right in front of you when you arrive.