Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D298838 | Cassette for tape of paper punching hole reinforcing piece | Hiroyasu Hoshino | 1988-12-06 |
| 4746394 | Paper punch with punched-hole reinforcing piece sticking mechanism | Hiroyasu Hoshino | 1988-05-24 |