Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647551 | Tape cassette having reduced drop-out error by selected sizing of gaps between a clamper and an engagement cavity in the hub | Haruomi Enomoto, Tomoaki Shimazu | 1997-07-15 |
| 5173829 | Projection on retaining element of tape cassette | Takahisa Kawaguchi, Haruomi Enomoto | 1992-12-22 |