Kamochi is from Warabi, Saitama. He began Sumo at the age of 3rd grader and won the championship consecutively for six years.[1] He also began judo at his junior high school days and when he was a student of Nihon University, he was trained by former world champion, Chonosuke Takagi.[1]
In 1991, he participated in the World Championships held in Barcelona. He also participated Asian Championships in Osaka and won a gold medal at the half-heavyweight category.
Kamochi belonged to JRA after graduation from university in 1992. He retired in 1999 after All-Japan Teams Championships.[1]
- All-Japan Selected Championships (-95 kg) 3rd
- Kodokan Cup (-95 kg) 3rd
- Jigoro Kano Cup (-95 kg) 2nd
- All-Japan Selected Championships (-95 kg) 3rd
- All-Japan University Championships (-95 kg) 3rd
- Asian Championships (-95 kg) 1st
- Kodokan Cup (-95 kg) 1st
- All-Japan Selected Championships (-95 kg) 2nd
- All-Japan University Championships (-95 kg) 1st
- All-Japan Selected Championships (-95 kg) 3rd
- Kodokan Cup (-95 kg) 3rd
- All-Japan Selected Championships (-95 kg) 2nd
- All-Japan Selected Championships (-95 kg) 1st
- Kodokan Cup (-95 kg) 3rd
- Kodokan Cup[2] (-95 kg) 1st
- Kodokan Cup (-95 kg) 3rd
- All-Japan Championships (Openweight only) 3rd
- All-Japan Selected Championships (-95 kg) 2nd
- Kodokan Cup (-95 kg) 3rd