Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6443873 | Exercise therapy device | — | 2002-09-03 |
| 6344789 | Voltage non-linear resistor unit and arrester unit | Takeshi Udagawa, Masahiro Kan, Yoshihiro Ishizaki, Nobuyuki Shimizu, Hiroyoshi Narita +8 more | 2002-02-05 |