Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D542426 | Fluorescent lamp | Kenji Itaya, Shiro Iida | 2007-05-08 |
| 6984926 | Compact self-ballasted fluorescent lamp resistant to heat deformation | Hiroki Nakagawa, Akiko Nakanishi, Kenji Itaya, Kenji Nakano, Kohhei Iwase +3 more | 2006-01-10 |