Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12337407 | Copper alloy assembly and production method therefor | Osamu TAKAKUWA, Hisao MATSUNAGA, Takahiro Ishikawa, Masato Sakakibara, Masaaki AKAIWA | 2025-06-24 |
| 6777720 | Semiconductor light-emitting element having first and second epitaxial layer group II-VI semiconductor compounds on a substrate | Takafumi Yao, Takaharu Iwadachi | 2004-08-17 |
| 5015007 | Damping force control system for shock absorber variable with amplitude of vehicle height difference exceeding limit value | Masayuki Kawamoto, Yoriko Inada | 1991-05-14 |
| 4984820 | Damping force control system for shock absorber variable with frequency of vehicle height difference exceeding limit value | Masayuki Kawamoto, Yoriko Inada | 1991-01-15 |