Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8072145 | Extra high pressure mercury lamp with each electrode held by a sealing portion | Takuya Tsukamoto, Nobuhiko Sugihara, Toyohiko Kumada | 2011-12-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8072145 | Extra high pressure mercury lamp with each electrode held by a sealing portion | Takuya Tsukamoto, Nobuhiko Sugihara, Toyohiko Kumada | 2011-12-06 |