Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5289931 | Pilfer-proof synthetic resin cap | — | 1994-03-01 |
| 5060818 | Heat-resistant liner-provided vessel closure and process for preparation thereof | Junichi Itsubo, Hiroaki Kikuchi | 1991-10-29 |
| 4880127 | Composite vessel lid | — | 1989-11-14 |
| 4260478 | Apparatus for classifying particles | Masuo Hosokawa, Tohei Yokoyama, Katsuya Mizui, Haruhisa Yamashita | 1981-04-07 |