Issued Patents 1997
Showing 1–2 of 2 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, Mitsuhiro Saito, Hiroshi Matsushima +1 more | 1997-04-01 |
| 5601415 | Fluid pressure device | Shigekazu Nagai, Hiroshi Matsushima, Akio Saitoh | 1997-02-11 |