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About us


We offer all services ranging from filing applications for patents, utility models, industrial designs and trademarks in Japan and foreign countries to obtaining and maintaining patent rights. Our practice also focuses on litigation, search and assessment related to intellectual property, including trials for correction, trials for invalidation and other trials (including opposition to registration), as well as counseling clients on these issues.

Technical fields


  We cover a wide range of technical fields including chemistry, structural engineering, mechanics and mechanical control.
We have, in particular, strong knowledge in the fields of chemistry and mechanics, and a large number of applications in these fields have been offered by leading companies over the years.

Field of chemistry (synthetic polymer materials, organic industrial chemicals, inorganic catalysts, wiring circuit boards, chemical apparatuses, etc.)
Field of mechanics (image forming apparatuses, automotive structures, mechanical control, etc.)

Our office

Our office building (as viewed from the entrance)
Our office entrance (entrance to our office)
Building Entrance
Conference Room