Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330778 | Device for detecting broken filaments in lamps | Kazuo Yamazaki, Osafumi Takemoto | 1982-05-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330778 | Device for detecting broken filaments in lamps | Kazuo Yamazaki, Osafumi Takemoto | 1982-05-18 |