Japan's Top Inventions
S4 · E6 — Sushi Robots / Refractometers
S4:E6 · Sushi Robots / Refractometers
8 episodes in this season
Planetariums
15 min
Handheld Digital Pets
Home Gaming Console / Smartphone Springs
28 min
Neurosurgical Instruments / Weather Meters
Body Fat Scales / Luggage Rack Mirrors
Sushi Robots / Refractometers
Camera Phones / Electron Microscopes
Radio Controlled Watches / Encrusting Machines
