Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8897862 | Fetal cardiac potential signal extraction program, fetal cardiac potential signal discriminating apparatus, and pregnancy monitoring system using the same | Hiroshi Kobayashi, Hisashi Yoshida | 2014-11-25 |
| 5581363 | Method and apparatus for recording and reproducing video signal | Mitsunori Takahashi | 1996-12-03 |
| 4607297 | Apparatus for detecting clogging of head gap | Masakazu Sonoda, Koichi Nakayama | 1986-08-19 |