Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376437 | Laminated three-layer film | Katsuhiro Tsuchiya, Katsuya Ogawa | 1994-12-27 |
| 4539260 | Magnetic recording material | Koichi Abe, Toshiya Yoshii, Toshihide Inoue | 1985-09-03 |