Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6431725 | Bulb-shaped fluorescent lamp | Shiro Iida, Takeshi Matsumura, Kenji Itaya | 2002-08-13 |
| 6367947 | Fluorescent lamp having excellent light distribution and high impact-resistance | Kenji Itaya, Takeshi Matsumura, Shiro Iida | 2002-04-09 |