Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372843 | Process for producing a magnetic recording medium using a patterned diffusion barrier | Masaaki Futamoto, Yoshibumi Matsuda | 1994-12-13 |
| 5330880 | Process for producing optical disks | Shinkichi Horigome, Yumiko Anzai, Keizo Kato, Hiroshi Shiraishi | 1994-07-19 |
| 5325244 | Magnetic recording data storage system | Hisashi Takano, Kyo Akagi, Mikio Suzuki, Yoshibumi Matsuda, Takeshi Nakao +8 more | 1994-06-28 |