Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12186802 | Casting equipment and casting method | Umihiko Suzuki, Atsushi Oiwa | 2025-01-07 |
| 5285085 | Photo-coupling device with improved light shading plate holding means | — | 1994-02-08 |