Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5617338 | Method of and system for electrically processing vacuum pressure information suitable for use in vacuum unit | Shigeru Sugano, Takashi Takebayashi, Shigekazu Nagai, Yoshiharu Ito, Hiroshi Matsushima +1 more | 1997-04-01 |