Nakai; Ryozo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Nakai; Ryozo.The latest application filed is for "dentifrice composition".
- Nakai; Ryozo - Tochigi-ken JP
- Nakai; Ryozo - Utsunomiya JP
| Patent | Date |
|---|---|
| Dentifrice composition Grant 5,700,449 - Katayama , et al. December 23, 1 | 1997-12-23 |
| Composition for use in oral cavity Grant 5,374,418 - Oshino , et al. * December 20, 1 | 1994-12-20 |
| Composition for use in oral cavity Grant 5,370,865 - Yamagishi , et al. December 6, 1 | 1994-12-06 |
| Method of desensitizing hypersensitive dentin Grant 5,244,651 - Kayane , et al. September 14, 1 | 1993-09-14 |
| Wood preservative composition Grant 4,510,074 - Nakai , et al. April 9, 1 | 1985-04-09 |
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