Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10455919 | Pen and pen refill having a longitudinally extending groove for transferring decorative particles | — | 2019-10-29 |
| 10415010 | Cell observation device, electrostimulation device, and cell observation method | Taira Ito, Takuji Kataoka | 2019-09-17 |
| 10172431 | Pen and Pen Refill | Katsuhiro Sasaki | 2019-01-08 |