Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676176 | Bellows pipe | — | 1997-10-14 |
| 5667875 | Exhaust gas cleaning metallic substrate | — | 1997-09-16 |
| 5655904 | Dental mirror | Yoshiki Oshida | 1997-08-12 |
| 5620666 | Exhaust gas cleaning metallic substrate | — | 1997-04-15 |