Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5326618 | Magnetic recording medium and process for production thereof | Katsumi Ryoke, Yutaka Kakuishi, Toshiyuki Kitahara | 1994-07-05 |
| 5318838 | Magnetic recording medium comprising ferromagnetic particles, binder resins and phenyl phosphonic acid | Kiyomi Ejiri, Mikihiko Kato, Takao Ohya | 1994-06-07 |