Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300144 | Vacuum packaging machine | Masaru Yasumune | 1989-03-07 |
| 4754596 | Vacuum packaging method and apparatus | Masaru Yasumune | 1988-07-05 |
| 4546595 | Method and apparatus for packaging articles of various sizes with a continuous length of heat sealable film | Masaru Yasumune, Sumiaki Kurokawa | 1985-10-15 |