Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9177706 | Method of producing an amorphous transformer for electric power supply | Kazuyuki Fukui, Koji Yamashita, Yuichi Ogawa, Yoshihito Yoshizawa | 2015-11-03 |
| 8021498 | Magnetic core and applied product making use of the same | Yuichi Ogawa, Yoshihito Yoshizawa | 2011-09-20 |
| 7473325 | Current transformer core, current transformer and power meter | Yoshihito Yoshizawa | 2009-01-06 |
| 7425239 | Fe-based amorphous alloy ribbon | Yuichi Ogawa, Yoshihito Yoshizawa | 2008-09-16 |