Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7324024 | High frequency compensator and reproducing device | Naoya Iwasaki, Yumi Hirasawa, Yutaka Yamamoto | 2008-01-29 |
| 6620554 | Etching substrate material, etching process, and article obtained by etching | Takayasu Komatsu, Daisuke Hashimoto, Akira Makita | 2003-09-16 |