Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628061 | Synthesizer receiver | — | 1997-05-06 |
| 5618762 | Light-weight antibacterial ceramic and antibacterial ceramic filter | Osamu Yamakawa, Hiroaki Nihonmatsu, Kiminori Atsumi | 1997-04-08 |