Issued Patents 2024
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12163493 | Malfunction diagnosis device for leakage diagnosis device | Keiichirou Ishihara, Taiki Yasuzaka, Tomohiro Itoh | 2024-12-10 |
| 12116516 | Metallic structure for optical semiconductor device, method for producing the same, and optical semiconductor device using the same | Kazuya Matsuda | 2024-10-15 |
| 12018679 | Vane pump | Keiichirou Ishihara, Tomohiro Itoh, Masahiro Satou | 2024-06-25 |
| 11869746 | Multi-beam writing method and multi-beam writing apparatus | Hiroshi Matsumoto | 2024-01-09 |