Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8013695 | Electronic overload relay | Kenichirou Suzuki, Tomoyuki Kamiyama, Tsuyoshi Sekiguchi | 2011-09-06 |
| 6252389 | Current detector having magnetic core for concentrating a magnetic flux near a hall-effect sensor, and power switch apparatus incorporating same | Satoru Inoue | 2001-06-26 |
| 4661883 | Electromagnet apparatus with shortened armature release time | Shizutaka Nishizako, Toshikazu Kitou, Shinki Shoji | 1987-04-28 |
| 4439803 | Power interruption device | — | 1984-03-27 |
| 4272750 | Power breaker apparatus | Shigenori Hotta | 1981-06-09 |
| 4216456 | Current limiting apparatus | Shigenori Hotta, Masaru Takahashi | 1980-08-05 |