Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7310550 | Electrocardiograph and display method for electrocardiograph | Junichi Ishida, Norihito Yamamoto, Kazuhisa Tanabe, Masahiro Umeda | 2007-12-18 |
| 7197351 | Portable electrocardiograph | Masahiro Umeda, Norihito Yamamoto, Kazuhisa Tanabe, Junichi Ishida | 2007-03-27 |