Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6747745 | Displacement sensor | Nobuharu Ishikawa, Hirotaka Nakashima, Masahiro Kawachi, Koji Shimada, Hitoshi Oba | 2004-06-08 |
| 6705830 | Vacuum pump | Yoshiyuki Sakaguchi, Yasushi Maejima | 2004-03-16 |
| 6672827 | Vacuum pump | Manabu Nonaka, Takashi Kabasawa | 2004-01-06 |