Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5260128 | Electromagnetic shielding sheet | Hiroyoshi Ishii | 1993-11-09 |
| 4992329 | Magnetic-shielding sheet | Hiroyoshi Ishii, Kenzo Suzuki, Noboru Ishikawa | 1991-02-12 |
| 4938219 | Electrocardiographic electrode | Hiroyoshi Ishii, Kenzo Suzuki, Hiroshi Kawamoto, Chuji Shimizu, Yasuaki Onodera | 1990-07-03 |