Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698145 | Method for producing Mn-Zn ferrites | Tetsu Narutani, Masakatsu Yamazaki, Keizou Okuno, Katsunobu Okutani | 1997-12-16 |
| 4710481 | Method for melting Ti or a high-Ti alloy in CaO refractories | Toru Degawa, Gen Okuyama, Akio Hashimoto, Seiju Uchida, Makoto Ebata +2 more | 1987-12-01 |