Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698284 | Optical recording medium | Takeshi Kubota, Hachiro Saito, Seiichi Nishikawa | 1997-12-16 |
| 4415392 | Method for producing foamed plastic sheet | — | 1983-11-15 |
| 4217319 | Process for producing polyolefin foams | — | 1980-08-12 |