This Japanese manufacturer provided cars for the Japanese Championship between 1979 and 1982. In 1979 the Toyota powered 78B woks car of Iida had a best finish of fifth at Fuji. The 78B continued into 1980 and Sakae Obata took a third at Fuji and a fourth at Suzuka finishing seventh in the Chasmpionship. Two new cars arrived in 1980, the 813 and the 813B, still Toyota powered results were generally poor except for a fifth at Tsukuba. The 813B continued into 1982 only racing in a couple of events taking a seventh at Tsukuba.
   
Drivers:  
   
1979

78B
Takeshi Iida, Sakae Obata.

   
1980

78B
Sakae Obata.

   
1981

813B
Sakae Obata,
Hiroshi Takayama.

813
Sakae Obata,
Yasuo Shinoda.

   
1982

813B
Tsugiaki Ogura, Yasuo Shinoda.

   
1984 813
Eliji Iwata.