Here is result from first round of Japaneese championships:

Mugen/Ninja take three first in qualifying and in the final.

Last Sunday the Japan Offroad cup was held in Osaka; and going by the results it was a Mugen/Ninja/GRP walkover!

Top 3 Qualifying
1. YOSHIO OTSUKA - Mugen/Ninja/GRP
2. YUICHI AJISHI - Mugen/Ninja/GRP
3. KENJI OSAKA - Mugen/Ninja/GRP

Final Results:
1 KENJI OSAKA - Mugen/Ninja/GRP
2 YUITI AJISHI - Mugen/Ninja/GRP
3 YOSHIO OTSUKA - Mugen/Ninja/GRP
4 DAISUKE ENDO - Mugen/OS/Pro-Line
5 KAZUYA TANAKA - Kyosho/Sirio/Pro-Line
6 MAKOTO MOGI - Kyosho/Sirio/Pro-Line
7 TAMOTU KUZUYA - Mugen/Novarossi/Pro-Line
8 KENJI KITANO - Kyosho/OS/Pro-Line
9 YASUHISA TAKEUTI - Mugen/JP/Pro-Line
10 ATUSHI KAWAMOTO - Kyosho/Sirio/Pro-Line

Source: Zenigata