Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11101391 | Screen printing apparatus, screen printing method, and electrode formation method of solar battery | Shintarou Tsukigata, Norifumi Takahashi | 2021-08-24 |
| 11087934 | Arc-quenching device for direct current switch | Koji Omori, Makito Morii | 2021-08-10 |
| 10964493 | Arc-quenching device for direct current switch | Koji Omori, Makito Morii | 2021-03-30 |