(Shizuoka) -(2002) It carries the introduction of the fields keeping warm spring, the unicycle club and so on and H/P of the individual. (unicycle, spa, izu, navi)
(Shiga) -(2002) Suspensyon device with crank type axle US PAT.6,059,304 (PAT, Supension)
(Hokkaido) -(2001) This is Hokkaido Unicycle Association. If you are interested in playing with unicycle, come and see our website!! (unicycle, association, hokkaido, ichirinsya, kyoukai, sapporo)