Design engineer · Japan

Design as a business decision, not a deliverable.

Ten years turning design into how companies operate. I lead the strategy and ship the production code, so decisions survive the build.

Latest

Writing

How the receptive field of a CNN neuron grows as you stack convolutional layers, why that's the real...

A from-scratch walkthrough of how convolutional layers actually compute their output — kernels vs. f...

AI has made producing design assets trivial. What it hasn't touched is the harder, more valuable hal...

A close read of Claude, ChatGPT, and Google AI Mode's onboarding against Microsoft's evidence-based ...

The ROC curve's name is a WWII radar relic, and its \"random guessing\" diagonal is trickier than it...

Timestamp-proximity matching between attack ground truth and Wazuh alerts wasn't reliable enough for...

Portfolio

LingoBun was born out of this frustration—and out of a belief that **serious learning** still works,...

Walking or riding rather than driving offers the two-fold benefit of increasing mental and physical ...

The new and upgraded avatar for my wife who is a content creator.

This is an experimental vector illustration inspired by the American pop-art style.