Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6473255 | Information storage device having transducers operating in a pulse mode in synchronism with a timing clock | Noriaki Hatanaka, Takeshi Maeda | 2002-10-29 |
| 5175545 | Data coding system in a magnetic recording apparatus | Takamasa Uchiyama | 1992-12-29 |
| 4914438 | Digital information coding system | — | 1990-04-03 |