Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6557533 | Fuel vapor emission system | Goichi Katayama, Masaki Okazaki | 2003-05-06 |
| 6502559 | Fuel vapor emission system | Goichi Katayama, Masaki Okazaki | 2003-01-07 |
| 6408835 | Fuel vapor emission system | Goichi Katayama, Masaki Okazaki | 2002-06-25 |
| 6077983 | Method for reactivating ruthenium catalyst | Mitsuji Ono | 2000-06-20 |