Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681448 | Electrochemical process and system for etching semiconductor substrates | Makoto Uchiyama, Hidetoshi Nojiri | 1997-10-28 |
| 5614753 | Semiconductor device with leakage current prevention | Susumu Uchikoshi, Shigeyuki Kiyota, Takatoshi Noguchi, Makoto Uchiyama | 1997-03-25 |