• We shall contribute to the growth of the industries and societies by protecting intellectual properties and new businesses.

NEWS

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  • Patents, Trademarks and Designs
  • Firm Updates

About RYUKA

For more information about our history, mission and branch office.

Message from Managing Partner  Firm Overview  Philosophy and Mission  

Practices

For more information about our practices.

Patent 
Trademark 
Design 

Professionals

We are committed to thoroughly understanding our client business and utilizing our expertise to provide the top-level solutions.

Japanese Patent Attorneys 
U.S. Attorneys  Chinese Attorneys  PhD 

Contact Us

Please feel free to contact us if you have any questions or inquiries.

Questions on Japanese Patents, Designs, or Trademarks 
Other Inquiries 
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Career

We offer Invitation Program for overseas associates.