Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5587246 | Water-resistant surface coating formulations and paper coated therewith | Haruki Tsutsumi, Yoshiaki Ikemoto, Toshiki Oyanagi, Tsugio Matsubara | 1996-12-24 |
| 5470918 | Water-resistant surface coating formulations and paper coated therewith | Haruki Tsutumi, Yoshiaki Ikemoto, Toshiki Oyanagi, Tsugio Matsubara | 1995-11-28 |