Hayami; Masaaki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hayami; Masaaki.The latest application filed is for "novel skin-whitening agent".
- Hayami; Masaaki - Okayama JP
| Patent | Date |
|---|---|
| Novel skin-whitening agent Grant 4,771,060 - Nakagawa , et al. September 13, 1 | 1988-09-13 |
| Styryl-like compounds showing a color-developing and bleaching behavior with improved stability and prolonged lifetime Grant 4,380,629 - Yamashita , et al. April 19, 1 | 1983-04-19 |
| Indolins styryl-like compounds Grant 4,314,058 - Hayami , et al. February 2, 1 | 1982-02-02 |
| Method of preparing styryl-like compounds Grant 4,147,862 - Hayami , et al. April 3, 1 | 1979-04-03 |
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