Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348809 | Sheet steel easy open can lid superior in can openability and not requiring repair coating of inner and outer surfaces | Yashichi Oyagi, Kiyonori NAKAMURA | 1994-09-20 |
| 5174706 | Process for producing a safe opening container lid | — | 1992-12-29 |
| 5105977 | Safe opening container lid | — | 1992-04-21 |
| 4759464 | Safe opening container lid | — | 1988-07-26 |
| 4565298 | Safe opening container lid | — | 1986-01-21 |