Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7800474 | Bond magnet for direct current reactor and direct current reactor | Takao Yabumi | 2010-09-21 |
| 6288530 | Apparatus and method for measuring resonance frequency of electric circuit | Koushi Murata, Naobumi Suzuki, Hideki Nakajima | 2001-09-11 |
| 6173900 | IC card | Hiroshi Yoshigi, Takehiro Ookawa, Ryouzou Yoshino, Kimiaki Andou, Tadashi Oonishi +4 more | 2001-01-16 |