Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853817 | Magnetic disk cartridge | Morio Fujiwara | 1989-08-01 |
| 4839953 | Magnetic disk cartridge assembly system | — | 1989-06-20 |
| 4814927 | Magnetic disk cartridge | Shoji Iwamoto, Tadashi Irie, Masanori Ishiguro | 1989-03-21 |
| 4773293 | Method of and apparatus for manufacturing liner for magnetic disk | Shozi Iwamoto, Yasushi Hatano | 1988-09-27 |
| 4696087 | Magnetic tape cassette assembling method and apparatus | — | 1987-09-29 |