Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6524397 | Method for removing an acidic deposit | Shigeru Sakurai, Masaharu Emoto, Hachiro Hirano, Makoto Yoshida, Hiroaki Noda | 2003-02-25 |
| 6387741 | Manufacturing a semiconductor device with isolated circuit-element formation layers of different thicknesses | — | 2002-05-14 |