Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889715 | Composition containing organogermanium compound and immunity adjusting agent comprising the composition | Kiichi Sawai, Masayasu Kurono, Akio Kojima, Hideaki Ninomiya | 1989-12-26 |