Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789919 | Circular fluorescent lamp unit and lighting apparatus | Shuji Yamamura, Hiroyuki Takahashi | 2004-09-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789919 | Circular fluorescent lamp unit and lighting apparatus | Shuji Yamamura, Hiroyuki Takahashi | 2004-09-14 |