Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5766766 | Magnetic recording medium having a protective carbon film which contains a material which fluoresces | Katsumi Sasaki, Noriyuki Kitaori, Osamu Yoshida, Junko Ishikawa | 1998-06-16 |