Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5588197 | Method of manufacturing metallic vacuum double-walled container | Seiichi Itoh, Eiji Otsuka, Jun-ichi Yamaki, Takashi Kato | 1996-12-31 |
| 5573140 | Metallic vacuum double-walled container | Seiichi Itoh, Eiji Otsuka, Jun-ichi Yamaki, Takashi Kato | 1996-11-12 |
| 5392967 | Plug device for sealing liquid container | Seiichi Itoh, Isao Watanabe, Toru Goto, Shoji Sekihara | 1995-02-28 |