Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4614952 | Pen type multi-color recording device | Kimihiro Kosugi, Kazunori Uryo | 1986-09-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4614952 | Pen type multi-color recording device | Kimihiro Kosugi, Kazunori Uryo | 1986-09-30 |