Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12324717 | Dental restorative set and method of restoring tooth | Koji Tanaka | 2025-06-10 |
| 11752073 | Dental gypsum powder | Kenji Kojima, Masatoshi YOSHINAGA | 2023-09-12 |
| 11583376 | Dental gypsum slurry | Masatoshi YOSHINAGA, Kenji Kojima, Kaori Watanabe, Tsukasa Kaneko | 2023-02-21 |
| 9408783 | Dental gypsum powder | Emiko Fukushima, Haruhiko Horiuchi | 2016-08-09 |
| 9198837 | Dental gypsum-bonded investment material powder | Emiko Fukushima, Haruhiko Horiuchi | 2015-12-01 |
| D617455 | Angulus oris dilating implement | Shin Yamaguchi, Masayuki Takayama | 2010-06-08 |