Driver Bio
| Nationality | Japanese |
| Birthplace | Shizuoka, Japan |
| Born | 12 February 1974 |
| First Grand Prix | 1998 Australian Grand Prix |
| Last Grand Prix | 1999 Japanese Grand Prix |
| Years Active | 1998–1999 |
| Current/Last Team | Arrows |
Grand Prix Stats
| Race Entries | 32 |
| Race Starts | 32 |
| Did Not Start | 0 |
| Best Race Start | 13th |
| Best Race Finish | 7th |
| Retirements | 19 |
| First-Lap Retirements | 3 |
| Not Classified | 0 |
| Disqualified | 1 |
| Did Not Qualify | 0 |
Qualifying
| Qualifying Sessions | 32 |
| Reached Q3 | – |
| Q2 Eliminations | – |
| Q1 Eliminations | – |
| Did Not Qualify | 0 |
Stats by Season
| Year | Constructor | Entries | Starts | Wins | Podiums | Poles | Fastest Laps | Front Rows | DNF | Best Start | Best Result | Pts Finishes | Points | Championship |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1998 | Tyrrell | 16 | 16 | 0 | 0 | 0 | 0 | 0 | 8 | 13 | 9 | 0 | 0 | NC |
| 1999 | Arrows | 16 | 16 | 0 | 0 | 0 | 0 | 0 | 11 | 17 | 7 | 0 | 0 | NC |
Stats by Constructor
| Constructor | Years | Entries | Starts | Wins | Podiums | Poles | Fastest Laps | Front Rows | DNF | Best Start | Best Result | Pts Finishes | Points |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tyrrell | 1998 | 16 | 16 | 0 | 0 | 0 | 0 | 0 | 8 | 13 | 9 | 0 | 0 |
| Arrows | 1999 | 16 | 16 | 0 | 0 | 0 | 0 | 0 | 11 | 17 | 7 | 0 | 0 |
Teammates & Qualifying Head-to-Head
| Teammate | Years | Races | Qualifying H2H |
|---|---|---|---|
| Ricardo Rosset | 1998 | 16 | 14-2 |
| Pedro de la Rosa | 1999 | 16 | 8-8 |
