Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7121116 | Method and device for producing oxygen | Tomoyoshi Kamoshita, Mikihiko Matsuda | 2006-10-17 |
| 6641377 | Linear compressor with a plurality of support springs and a dual compression unit | Kentaro Toyama, Yukio Yasukawa | 2003-11-04 |