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 | Yoshiaki Ikemoto, Mitsuhiro Maehama, Toshiki Oyanagi, Tsugio Matsubara | 1996-12-24 |
| 4931420 | Temperature history indicator and its manufacturing method | Makoto Asano, Eishi Tanaka, Yoshiro Fuseya, Kiyoharu Hasegawa, Hiroyuki Akahori | 1990-06-05 |