Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5743983 | Forming method for interior trim material made of corrugated cardboard | Mitsutoshi Ogata, Yutaka Sato | 1998-04-28 |
| 5656357 | Molded corrugated cardboard and method for producing same | Mitsutoshi Ogata, Yutaka Sato | 1997-08-12 |