Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6031694 | Magnetic head with protective film comprising amorphous CaMgSi.sub.2 b. O.su6, Mg.sub.2 SiO.sub.4 and/or MgAl.sub.2 O.sub.4 | Takuo Tamura, Asao Nakano, Kazufumi Suenaga, Kiyoshi Ogata, Noriyuki Kumasaka | 2000-02-29 |
| 5157569 | Thin film magnetic head | Noriyuki Kumasaka, Kenkichi Inada, Ikuo Shinta, Sigeo Imai | 1992-10-20 |