Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849236 | Method for maintaining freshness of vegetables by increasing germanium content | Teizou Sakai, Yoshinori Sasaki | 1989-07-18 |
| 4822817 | Remedy for bone disease | Hajime Orimo, Kohei Miyao | 1989-04-18 |