Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5182103 | Magnesium aluminometasilicate coated composite powder and use thereof | Toshihiko Nakane, Masumi Koishi, Hiroshi Fukui, Yutaka Okunuki, Yoshio Yahata +13 more | 1993-01-26 |
| 5165915 | Spherical clay mineral powder, process for production thereof and composition containing the same | Kazuo Tokubo, Michihiro Yamaguchi, Jyunko Suzuki, Toshio Yoshioka, Minoru Fukuda +3 more | 1992-11-24 |
| 5122418 | Composite powder and production process | Toshihiko Nakane, Masumi Koishi, Hiroshi Fukui, Yutaka Okunuki, Yoshio Yahata +11 more | 1992-06-16 |