Company Overview

Since our founding in 1976, Chizai Corporation has built a strong track record as a leading patent translation company. Today, in addition to translation, we have expanded into AI solutions, drawing creation, and IP searches, offering comprehensive services that support all aspects of intellectual property operations.

Company Overview

Company Name
Chizai Corporation
Established
December 6, 1976
Capital
10 million yen
Representative
President and Representative Director: Akiko Kiyono
Number of Employees
50 (including 10 English translators and 3 Chinese translators)
As of April 2026
Annual Sales
960 million yen (Fiscal year ending March 2026)
Main Banking Partners
Resona Bank, Limited
Sumitomo Mitsui Banking Corporation
MUFG Bank, Ltd.
Mizuho Bank, Ltd.
Main Clients
Domestic corporations
Overseas corporations
Domestic and international law firms
Domestic patent law firms

Network

Design & Patent Drawing Creation Subsidiary
studio ZUu Inc.

Access

1-minute walk from Shinjuku-gyoemmae Station (Tokyo Metro Marunouchi Line)
7-minute walk from Shinjuku-sanchome Station (Tokyo Metro Marunouchi Line, Fukutoshin Line, and Toei Shinjuku Line)

Message

President and Representative Director Akiko Kiyono

President and Representative Director
Akiko Kiyono

Since our founding in 1976, our company has centered its efforts on intellectual property, bridging languages to serve as a connection point for global innovation.

The world of patent translation is a complex realm where language, technology, and law intersect. Within this delicate domain, we have pursued high expertise and cultivated outstanding talent, supporting corporate global IP activities and contributing to the advancement of society.

Today, as new technological waves arrive, advancements in AI and other tools are bringing significant transformations to our industry. Embracing this change, we intelligently combine our long-cultivated expertise with cutting-edge technology, enhancing our support capabilities and expanding our service scope.

Chizai Corporation remains dedicated to serving as a trusted partner that supports your business beyond the conventional boundaries of translation. Guided by a spirit of continuous learning and challenge, we will keep creating new value through the power of language and technology as we grow alongside our clients.

Mission Statement

On the occasion of our 40th anniversary, Chizai Corporation established our Mission and Values to serve as a strategic compass guiding our future.
Every employee acts with a constant awareness of these principles as members of Chizai Corporation.

Mission

At Chizai Corporation,
We value people and society.
With a spirit of learning and challenge,
we forge the future together.
By combining professional expertise with technology,
we contribute to global development through the power of language.

Value

  1. We provide every client with sincere, attentive, and respectful service.
  2. We proactively embrace difficult challenges and deliver high-quality services that meet client expectations.
  3. We always think from the client's perspective and act with responsibility and integrity.
  4. We maintain a spirit of gratitude toward everyone around us, fostering mutual understanding and respect.
  5. Based on strong relationships of trust, we help one another and strive for mutual growth.
  6. We share information effectively, moving forward together as one company in the same direction.
  7. We respect our business partners and collaborators as dedicated professionals.
  8. We maintain professional awareness, carrying out our work with speed and accuracy.
  9. We continuously pursue self-improvement to achieve ever-better ways of working.
  10. We take continuous pride and joy in supporting our clients and contributing to society.

History

  • December 1976

    Business Associates Co., Ltd. was established in Niban-cho, Chiyoda-ku, Tokyo by Munetake Hamaguchi (currently Senior Advisor), specializing in multilingual translation.

  • December 1991

    Company name changed to "Intellectual Property Translation Institute Co., Ltd."

  • July 1992

    Relocated head office to Shinjuku-ku, Tokyo due to business expansion.

  • November 1992

    Held the 1st Patent Translation Seminar.

  • July 1994

    Relocated head office to 1-chome, Shinjuku, Shinjuku-ku, Tokyo. Established field-specific in-house translation structure (Electrical/Electronic Engineering, Mechanical Engineering, and Chemical/Biochemical Translation Departments).

  • November 1996

    Established the "Patent Translators Association" and published the inaugural issue of its journal, "Patent Translator."

  • February 1997

    Published the first company publication, the Japanese edition of Irving Kayton's "Patent Practice."

  • December 1997

    Launched the "Translation Internship" system, an in-house OJT program.

  • December 1998

    Published the book "CAFC Yearbook" (co-authored by US Patent Attorneys Kenichi Hattori and Alex Chartove).

  • January 2001

    Edited and published the book "Study of US Business Method Patent Specifications in English" (published by Diamond, Inc.).

  • December 2001

    Established "Chizai Academy" as an education and information division.

  • July 2004

    Entrusted with the administrative secretariat of the NPO Japan Intellectual Property Translation Association (NIPTA).

  • September 2004 to January 2005

    Jointly conducted the "Japan-China Intellectual Property Translator Training Project" in Beijing, China, under the FY2004 ODA Pilot Program for Improvement of Trade and Investment Environment together with NIPTA.

  • July 2005

    Transferred the "Patent Translators Association (PTA)" to NIPTA.

  • March 2007

    Co-edited and published "Japanese-Chinese-Korean-English Intellectual Property Dictionary" via the Nikkan Kogyo Shinbun, Ltd.

  • April 2009

    Obtained ISO 9001:2000 certification for Quality Management Systems.

  • June 2013

    Changed company name to "Chizai Corporation."

  • December 2018

    Established "studio ZUu Inc." as a subsidiary specializing in patent and design drawing creation.

  • June 2024

    Executive Director Akiko Kiyono appointed as President.

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