Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5883013 | Method of producing semiconductor device | Norihiko Kiritani | 1999-03-16 |
| 5827756 | Method of manufacturing semiconductor device | Manabu Sugino, Susumu Uchikoshi | 1998-10-27 |
| 5804090 | Process for etching semiconductors using a hydrazine and metal hydroxide-containing etching solution | Yasukazu Iwasaki, Norihiko Kiritani, Makiko Mitamura, Makoto Uchiyama | 1998-09-08 |
| 5614753 | Semiconductor device with leakage current prevention | Susumu Uchikoshi, Shigeyuki Kiyota, Yasukazu Iwasaki, Makoto Uchiyama | 1997-03-25 |