1. The technology development on speed-up and improvement of ride quality of Shinkansen and narrow gauge lines.
(1) Improvement of ride quality of Shinkansen bolsterless trucks
(2) Development of high performance Shinkansen truck for next generation
(3) Development of new carbody tilting system
(4) Development of new link-type forced wheel-set steering truck
2. The technology development on new vehicle systems
(1) Development of narrow gauge Shinkansen vehicle
(2) Development of wheel mounted direct drive traction motor
3. The technology development on drive and brake system
4. The technology development on vehicle maintenance