Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683231 | Blood pump having magnetic attraction force adjuster | Tadashi Nakazawa, Yoshiyuki Takami, Kenzo Makinouchi | 1997-11-04 |
| 5601418 | Blood pump | Yasuhisa Ohara, Kenzo Makinouchi | 1997-02-11 |