Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882225 | Modified powder or particulate material | Hiroshi Fukui, Ryujiro Namba, Tsutomu Saito, Yutaka Ohtsu, Asa Kimura +11 more | 1989-11-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882225 | Modified powder or particulate material | Hiroshi Fukui, Ryujiro Namba, Tsutomu Saito, Yutaka Ohtsu, Asa Kimura +11 more | 1989-11-21 |