JAPAN TENRYU TEI
Japan TENRYU TEI Co., Ltd. is a technology and culture company based in Okinawa, connecting people and everyday life through software and sound.
We invest continuously in real-time communication, AI voice, audio processing, and cross-platform software development — turning these capabilities into products that people actually use and that can grow over time. Technology is the means; human connection is the purpose.
Where we start
When family members are far apart, when language becomes a barrier, when devices grow more complex — the value of technology lies not in spectacle, but in helping a single message arrive faster, making it easier to understand each other, and reducing every unnecessary step for those who need help. We start from these real-world challenges to design our products and choose the work we commit to for the long term.
First understand how people connect, wait, and help each other — then decide where technology should step in.
Use software, voice, and device integration to reduce operational burden — making products intuitive and accessible to people of all ages.
We don't package unverified data as achievements. We start with small-scale validation, improve continuously, and take responsibility for our product's boundaries.
Core capabilities
We bring technology R&D, product design, and continuous delivery into a single pipeline — so that ideas don't stop at demos, but become stable, clear, and maintainable product experiences.
Continuous optimization around multi-device connectivity, real-time voice, and network adaptation — making communication faster and more reliable.
Research in voice interaction, noise reduction, echo cancellation, subtitles, and multilingual assistance — making sound clearer and easier to understand.
Covering product planning, front-end and back-end development, device adaptation, API integration, and release operations — a complete engineering loop.
Connecting phones, tablets, browsers, and compatible devices or services — so that reminders, contacts, and follow-up actions form a seamless experience.
From capabilities to products
Communication delivers voices to one another; music carries culture across time. We address different needs through different products, while continuously building on a shared foundation of technology and creative capability.
Core communication product
A smart voice communication app for families and everyday scenarios. Starting from text, photo, voice and video calls, and file transfer, iTalkGo continues to explore one-phrase calling, cross-language communication, authorized assistance, and device integration.
Visit the iTalkGo product websiteMusic & culture product
An independent product for music content and cultural expression. We believe technology not only improves efficiency, but can also help creative works be seen, heard, and preserved for the long term.
Visit TENRYU MUSIC
Okinawa & us
Okinawa bridges East Asia and the world, giving us a direct sense of distance, language, and cultural convergence. Japan TENRYU TEI Co., Ltd. is headquartered in Naha, serving users in Japan, China, and the broader international community — advancing multilingual products and cross-regional collaboration.
Rooted in Okinawa, facing the world — creating connections through technology, enriching life through culture.
Continuous operation
Japan TENRYU TEI Co., Ltd. is based on the beautiful island of Okinawa. We devote ourselves to reliable, efficient, and confidential trusted-communications technology, and continue advancing frontier AI-powered audio and video processing for communications.
The company was founded, beginning R&D in advanced audio processing, AI voice software, and related systems.
Developed next-generation noise reduction and speech enhancement, and launched desktop and portable 3D surround microphones.
With iTalkGo as the primary growth driver, we are also advancing our music content business and technology partnership validation.
Company overview
We are still in a phase of continuous building and validation, so we only present confirmed facts, capabilities, and directions. For partners, this means clear communication boundaries. For users, this means product commitments that stand up to scrutiny.
Contact
Whether you're interested in product partnerships, voice technology, device and service integration, contract development, or validating a real-world scenario together — we'd love to hear about your needs.
