Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882225 | Modified powder or particulate material | Hiroshi Fukui, Ryujiro Namba, Tsutomu Saito, Yutaka Ohtsu, Motokiyo Nakano +11 more | 1989-11-21 |
| 4818614 | Modified powder | Hiroshi Fukui, Ryujiro Namba, Tsutomu Saito, Yutaka Ohtsu, Motokiyo Nakano +11 more | 1989-04-04 |
| 4801445 | Cosmetic compositions containing modified powder or particulate material | Hiroshi Fukui, Ryujiro Namba, Tsutomu Saito, Yutaka Ohtsu, Motokiyo Nakano +11 more | 1989-01-31 |