Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6017258 | Filament attaching method | Yumiko Sakurai | 2000-01-25 |
| 5984749 | Method of sealing a lamp | Yumiko Nishibori | 1999-11-16 |
| 5984750 | Method of sealing halogen lamp | Yumiko Nishibori | 1999-11-16 |