Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885651 | Tape cassette with low friction slide member for guiding movement of a lid thereon | Haruo Shiba, Kenji Hashizume | 1989-12-05 |
| 4865265 | Magnetic tape cassette | Kenji Hashizume, Masaru Ikebe | 1989-09-12 |
| 4863116 | Guide member in a cassette for data carrying material | Michio Iizuka, Haruo Shiba | 1989-09-05 |
| 4858849 | Tape cassette housing | Haruo Shiba, Kenji Hashizume, Yoshiya Sakata | 1989-08-22 |