Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33129 | Vacuum pump | Takashi Nagaoka, Yoshitsugu Tsutsumi, Minoru Taniyama, Makoto Terajima | 1989-12-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33129 | Vacuum pump | Takashi Nagaoka, Yoshitsugu Tsutsumi, Minoru Taniyama, Makoto Terajima | 1989-12-12 |