Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6164945 | Vacuum pump rotor and method of manufacturing the same | Katsuaki Usui, Satoshi Arai | 2000-12-26 |
| 6088508 | Method of operating vacuum pump | Katsuaki Usui | 2000-07-11 |
| 5876502 | Glue gun type gluing apparatus | Hirofumi SUGIMURA, Katsuhiko Koike, Hideaki Miyaoka | 1999-03-02 |
| 5005473 | Press roll elevator in a double facer | — | 1991-04-09 |