Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887732 | Easy-open lid in which score cut edge can be covered and process for preparation thereof | Masanori Aizawa, Michio Watanabe, Takashi Shimizu, Tamotsu Ikegami | 1989-12-19 |
| 4863063 | Metal vessel having circumferential side seam | Katsuhiro Imazu, Makoto Horiguchi, Seishichi Kobayashi, Kazuo Taira, Hiroshi Ueno | 1989-09-05 |
| 4840304 | Butt-welded cans and process for manufacturing the same | Nobuyuki Sato, Seishichi Kobayashi, Minoru Mitsuhashi, Kenji Matsuno, Kazuhisa Ishibashi | 1989-06-20 |
| 4805795 | Butt-welded cans and process for manufacturing the same | Nobuyuki Sato, Seishichi Kobayashi, Minoru Mitsuhashi, Kenji Matsuno, Kazuhisa Ishibashi | 1989-02-21 |