Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7479616 | Compound laser beam welding | Pei-Chung Wang, Fujiko Matsuda, Masami Takeshi, Masatake Saito | 2009-01-20 |
| 6817788 | Diaphragm device | Shigeto Negishi, Takashi Tomaru | 2004-11-16 |