Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618762 | Light-weight antibacterial ceramic and antibacterial ceramic filter | Hiroshi Shirakawa, Osamu Yamakawa, Kiminori Atsumi | 1997-04-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618762 | Light-weight antibacterial ceramic and antibacterial ceramic filter | Hiroshi Shirakawa, Osamu Yamakawa, Kiminori Atsumi | 1997-04-08 |