Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4908590 | Chip-like LC filter | Yukio Sakamoto, Shingo Okuyama | 1990-03-13 |
| 4801904 | Chip-like LC filter | Yukio Sakamoto, Shingo Okuyama | 1989-01-31 |
| 4700440 | LC filter manufacturing method | Yukio Sakamoto, Shingo Okuyama | 1987-10-20 |
| 4675629 | Noise filter | Yukio Sakamoto | 1987-06-23 |