About us

By creating new data values, we will continue to increase the potential of people.

Our mission


Message from the CEO 

​Company profile

Company Name

​Nextremer Co.,Ltd.

Our Bussines

  • Research and Development of AI Dialogue System

  • Remosis Services


Kochi HQ

Nangoku Office Park Center separate building 3rd Floor 1-1-2 Hotarugaoka, Nangoku-shi, Kochi 783-0060, Japan

Tokyo HQ

Narimasu Tosei BLD. 10th Floor 1-30-13, Narimasu, Itabashi-ku, Tokyo 175-0094 , Japan 

Date of Establishment



100 milion Yen


President & CEO Hisahiro Mukai​

Board Members

CFO, Member of the Board Kosuke Sumiyoshi

Board members

President & CEO 

​Hisahiro Mukai

CFO, Member of the Board 

Kosuke Sumiyoshi

Technical Advisor
Research Fellow, Mitsubishi Research Institute, Inc. General Manager, AI Innovation Laboratory

Kazuo Hiyane

Outside Director
Director, venture growth investment division, INCJ, Ltd. 

Daisuke Kaihoku

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