Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5023739 | Tape cassette with a trapping layer having a corrosiveness which is equal to or higher than that of the magnetic recording layer on the tape | Koichi Shinohara, Takashi Suzuki, Masao Kawagishi, Takeshi Murakami, Takashi Fujita | 1991-06-11 |