Never-ending mmWave signals.
That’s our vision.

MmWave signals everywhere, outside and inside. Fewer base stations so less energy is used. Longer battery life for mobile devices on the network. The end of dead spots. This is our mission.

The Fastest Possible Connections — Unbroken. This Is the Future.

Join Our Team

At Visban, we’re not just imagining the future—we’re building it. Our mission is to create a world where wireless signals never falter, no matter where you are. A world where connectivity is reliable, sustainable, and everywhere—where your work, life, and experiences flow seamlessly between the digital and physical realms without interruption. Join us in unlocking the true potential of millimeter waves.

Founders

S.B. Cha, PhD

CEO/Co-Founder

S.B. has over 25 years of business creation experience and has launched several category-shaping products in the display and smart products markets. He is a founder of Suiso Ltd and Cambridge Touch Technology Ltd. He holds a Ph.D. from Imperial College in London and an MBA from the University of Chicago.

Arokia Nathan, PhD

CTO/Co-Founder

Arokia has 30 years experience in developing display technologies, semiconductors, and heterogenous integration. Formerly the Professorial Chair of Photonic Systems and Displays at Cambridge University where he is currently a Bye-Fellow and Tutor at Darwin College, he is a Fellow of IEEE and Fellow of IET. He has authored 600+ publications and holds over 150 patents.

Ryosuke Kuwada

Director/Co-Founder

Ryosuke has over 35 years of experience with large corporations and startups. He was formerly VP of Sals & Marketing  for E Ink Corporation in US and senior Management jobs at Toppan Printing as well as Du Pont. He is currently an Advisor to Tokyo National University Venture Capital (IPC) and serves on the Board of Directors for Japan Display Inc. which is listed on the Tokyo Prime Stock Exchange. He is also elected in May, 2024 as Executive Board Member of International Electronics Display Academic Conference (SID) in San Jose, USA.

Careers

Our offices are just two minutes from Todai-mae Station in Tokyo. If you’re a passionate and talented individual looking to join an exciting startup, we invite you to connect with us. Even if you don’t see a current opening that matches your skills, we encourage you to reach out. Your talents might be exactly what we need to grow together.