Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6626673 | Root canal filling material remover | Kimihiko Sato, Takaharu Takeshita | 2003-09-30 |
| 6585514 | Solubilizing agent of carbonated calcium hydroxide-based root canal filler and solubilizing method | Yohji Imai, Kimihiko Sato | 2003-07-01 |
| 6566418 | Calcium hydroxide-based root canal filling material | Yohji Imai | 2003-05-20 |
| 6220863 | Root canal filling material | Hiroshi Kamohara, Nobutaka Watanabe | 2001-04-24 |
| 4959220 | Antiseptic-containing alginate impression material | Tameyuki Yamamoto | 1990-09-25 |
| 4838789 | Material packs for preparing plate dentures | Hisatoshi Tanaka | 1989-06-13 |
| 4768951 | Dental tray | Bunsaku Yoshida, Shiro Kono | 1988-09-06 |