| Affiliation | Japanese Communist Party |
|---|---|
| Terms served | Nine terms (from July 23, 1993 to present) |
| Committees | Committee on Economic Affairs,Port and Harbor |
| Contact | Address:11-25 Sumiyoshi-cho, Shinjuku-ku, Tokyo 162-0065 Phone:+81-(0)3-3232-3629 |
| Electoral district | Shinjuku |
| Website | https://ohyamatomoko.com/ |
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Tokyo Metropolitan Assembly All Rights Reserved.