Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653770 | Lamp with internally attached eyelet lead, and method therefor | Takeshi Matsumura, Shinichiro Ishitsuka | 2003-11-25 |
| 6607290 | Tubular light bulb device | Makoto Inoue | 2003-08-19 |
| 6547582 | Lampholder | Yoshinori Kakuno | 2003-04-15 |
| 6525455 | Bulb-form lamp and its manufacturing method | Shinichiro Ishitsuka, Takenori Shibata, Takeshi Matsumura | 2003-02-25 |