Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4606951 | Water-resisting and oil-resisting laminated sheet | Yuji Fujita, Ryoichi Kaneko | 1986-08-19 |
| 4543280 | Heat resistant ovenable paperboard | Yuji Fujita, Ryoichi Kaneko | 1985-09-24 |