Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6128181 | Electric component unit | Koji Ito | 2000-10-03 |
| 5929745 | High-voltage electric component | Ichiro Tsunezawa | 1999-07-27 |
| 5912613 | High-voltage resistor unit and high-voltage variable resistor unit | Hirokazu Kotani, Shinichi Kamata, Susumu Harada | 1999-06-15 |
| 5508678 | High-voltage variable resistor unit | Ichiro Tsunezawa | 1996-04-16 |