Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5153977 | Method for making double-walled insulating metal container | Shouji Toida, Shigeru Tsuchiya, Seiichi Itoh, Hidetoshi Ohta | 1992-10-13 |
| 4709578 | Method and apparatus for determinating a vacuum degree within a flexible vacuum package | Tadayoshi Iwasaki, Makoto Sato | 1987-12-01 |