Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6197282 | Fine ultraviolet screening particles, process for preparing the same, and cosmetic preparation | Kentaro Oshima, Yoshinobu Imaizumi, Toshio Miyake, Keiichi Tsuto, Kazuhiro Yamaki +1 more | 2001-03-06 |
| 6090373 | Ultraviolet-screening composite particulate and process for the production thereof | Kentaro Oshima, Yoshinobu Imaizumi, Toshio Miyake, Keiichi Tsuto | 2000-07-18 |
| 5902569 | Ultraviolet shielding composite fine particles, method for producing the same, and cosmetics | Kentaro Oshima, Yoshinobu Imaizumi, Toshio Miyake, Toru Nishimura, Keiichi Tsuto +2 more | 1999-05-11 |
| 5827507 | Ultraviolet shielding composite fine particles, method for producing the same, and cosmetics | Kentaro Oshima, Toru Nishimura, Yoshinobu Imaizumi, Keiichi Tsuto, Satoshi Sugawara +2 more | 1998-10-27 |