Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6023947 | Jewel holding device | Akira Koitabashi | 2000-02-15 |
| 5974831 | Jewel holding device | Akira Koitabashi | 1999-11-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6023947 | Jewel holding device | Akira Koitabashi | 2000-02-15 |
| 5974831 | Jewel holding device | Akira Koitabashi | 1999-11-02 |