Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5338178 | Embossing metal hold | Keizo Kato, Ryo Suzuki, Masaru Ito | 1994-08-16 |
| 5330880 | Process for producing optical disks | Yoshinori Miyamura, Yumiko Anzai, Keizo Kato, Hiroshi Shiraishi | 1994-07-19 |
| 5314734 | Information-recording medium | Tetsuya Nishida | 1994-05-24 |