Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4482245 | Apparatus for measuring the color of a brilliant-cut diamond | Hideki Makabe, Toyoji Yamamoto, Yasunori Ito, Katsuto Yamada | 1984-11-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4482245 | Apparatus for measuring the color of a brilliant-cut diamond | Hideki Makabe, Toyoji Yamamoto, Yasunori Ito, Katsuto Yamada | 1984-11-13 |