NT

Naotoshi Takaoka

ES Energy Support: 2 patents #1 of 13Top 8%
TW Takamatsu Electric Works: 1 patents #8 of 16Top 50%
Overall (All Time): #1,669,779 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4879509 Zero-phase-sequence voltage sensing apparatus Taro Sometani, Mitsuo Aida, Mitsuharu Kudomi, Yasuhiro Tanahashi, Katsunori Aoki 1989-11-07
4804922 Voltage sensor Taro Sometani, Mitsuo Aida, Mitsuharu Kudomi, Yasuhiro Tanahashi, Katsunori Aoki 1989-02-14
4559530 Overcurrent condition display Masao Ishigure, Mitsuo Ota, Mitsuharu Kudomi 1985-12-17