Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D301498 | Toy microscope | Toshinori Tabata | 1989-06-06 |
| 4445868 | Apparatus for producing rubbings | Shoji Yamamoto | 1984-05-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D301498 | Toy microscope | Toshinori Tabata | 1989-06-06 |
| 4445868 | Apparatus for producing rubbings | Shoji Yamamoto | 1984-05-01 |