Stories from BrachistaLog.
Product updates, stories from the studio and notes on E-Paper.
Patented: how LogCase draws without a battery
The way LogCase refreshes its E-Paper with energy borrowed from your iPhone is now protected by Japanese Patent No. 7901397. Here is the idea, in three steps.
LogCase App update 5.20
Favourites now stay on your iPhone, you can make pictures for your case with Apple Intelligence, and the app has a cleaner look.
LogCase Full Colour on Kickstarter
In March 2026, 88 backers funded LogCase Full Colour on Kickstarter at 245% of our goal. What we built, and what happened next.
Understanding E-Paper: how it works and why we use it
How E-Paper keeps a picture with no power, the two ways it adds colour, and why LogCase uses E Ink Spectra 6.
Talk to us on LINE
BrachistaLog has a LINE Official Account, @brachistalog. Add us for help with your LogCase, news and app updates.
Introducing BrachistaLog: the shortest path from idea to invention
Who we are, where our name comes from, and what we make: devices that run without a battery, starting with LogCase.