Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4375024 | Apparatus for welding base pins of fluorescent lamp | Masatoshi Hayakawa | 1983-02-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4375024 | Apparatus for welding base pins of fluorescent lamp | Masatoshi Hayakawa | 1983-02-22 |