Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824373 | Swaged metal denture base | Minoru Okada, Yoshiaki Shida, Tomio Nishikawa, Kazuyuki Nakano, Ryozo Isomura | 1989-04-25 |
| 4822567 | Antibiotic alloys | Sadayuki Yuhda, Naoki Oda, Masahiro Suganuma | 1989-04-18 |