Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300144 | Vacuum packaging machine | Junsaku Yamada | 1989-03-07 |
| 4754596 | Vacuum packaging method and apparatus | Junsaku Yamada | 1988-07-05 |
| 4640081 | Automatic packaging apparatus | Masashi Kawaguchi | 1987-02-03 |
| 4546595 | Method and apparatus for packaging articles of various sizes with a continuous length of heat sealable film | Junsaku Yamada, Sumiaki Kurokawa | 1985-10-15 |