Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055738 | Low-pressure mercury vapor discharge lamp having a folded tube | Takashi Yorifuji | 1991-10-08 |
| D304241 | Fluorescent lamp tube | Taketo Kamei | 1989-10-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055738 | Low-pressure mercury vapor discharge lamp having a folded tube | Takashi Yorifuji | 1991-10-08 |
| D304241 | Fluorescent lamp tube | Taketo Kamei | 1989-10-24 |