Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7259507 | Low pressure discharge lamp having external electrodes provided with heat equalizing members | Takayoshi Kurita, Yuji Takeda | 2007-08-21 |
| 6914391 | Illuminating device | Yuji Takeda, Masami Takagi, Hiroki Nakano, Takayoshi Kurita | 2005-07-05 |