Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5323185 | Recording apparatus | Hitoshi Nagato, Yuzo Koike, Shuzo Hirahara, Masafumi Mori | 1994-06-21 |
| 5296878 | Apparatus for generating ions in solid ion recording head with improved stability | Hideyuki Nakao, Hitoshi Nagato, Shuzo Hirahara | 1994-03-22 |