WATARI CROSS

JA/EN

Crossing boundaries,
building useful products.

Using AI and software to turn ideas into products worth using.

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Why WATARI CROSS

Technology becomes valuable when it crosses boundaries.

AI, software, and product thinking—each has its own strengths. WATARI CROSS connects them into something that works in practice. Small experiments, recorded learning, and steady iteration toward better products: this site is where that process lives.

  1. 01INPUT

    Collect diverse information

    TEXT · IMAGE · SENSOR · LOGS

  2. 02REASONING

    Structure and reason with AI

    SUMMARIZE · ANALYZE · PREDICT · PLAN

  3. 03TOOL USE

    Use external tools and APIs

    SEARCH · API · CODE · TEST

  4. 04OUTCOME

    Deliver it as a useful product

    USE · LEARN · IMPROVE

Selected Projects

The GYOSUN app icon showing a dotted fish and measurement axis
In Development

GYOSUN

Making fishing records more accurate—and more fun—with AR.

  • AR
  • Mobile
  • Image Processing
  • Records
View GYOSUN details
BUILDING

Build

Facing real problems through design, implementation, and verification.

EXPERIMENTING

Experiment

Trying new ideas and technologies at a small scale, and learning from them.

DOCUMENTING

Document

Recording decisions and lessons to make progress repeatable.

Current Focus

  • Product Development

    Finding real problems and shaping products people keep using.

  • Practical AI

    Embedding AI into real workflows to create practical value.

  • Engineering Decisions

    Making technology and design decisions, backed by verification.

  • Forward Deployed Engineering

    Building close to users, learning fast, and delivering value.

Field Notes

View all notes

No Field Notes have been published yet.

Notes from product development and applied AI practice will be shared here.

About

Engineer / Project Manager

Working as an engineer, I build software professionally while running WATARI CROSS as a personal practice in product development and applied AI.

Moving between understanding real problems, choosing technology, implementing, and verifying—this site records that practice on the way toward Forward Deployed Engineering.

Contact

Interested in building something that crosses boundaries?

I welcome conversations about products and applied AI, feedback, and collaboration enquiries.
info@wataricross.comSend an email