Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648150 | Magnetic recording medium having a backcoat layer containing carbon black and platelet inorganic powder | Yasushi Nagayama, Osamu Kobayashi | 1997-07-15 |
| 5611129 | Method of making a packaged piezoelectric oscillator | Hisaya Yoshimoto, Shigeru Kambara | 1997-03-18 |