HY

Hirofumi Yudahira

PA Panasonic: 7 patents #3,841 of 21,108Top 20%
Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
TO Toyota: 6 patents #4,786 of 26,838Top 20%
Overall (All Time): #386,913 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
7710120 Abnormal voltage detector apparatus for detecting voltage abnormality in assembled battery Toshiaki Nakanishi 2010-05-04
7557585 Abnormal voltage detection apparatus for detecting voltage abnormality in assembled battery 2009-07-07
7521896 Abnormal voltage detector apparatus for detecting voltage abnormality in assembled battery Toshiaki Nakanishi 2009-04-21
7388351 Capacity equalizing apparatus for secondary batteries 2008-06-17
7242196 Power supply controller apparatus for detecting welding of contactors Yasushi Matsukawa 2007-07-10
6919726 Leakage detection apparatus and motor car 2005-07-19
6762590 Battery power source device and current detection method therefor 2004-07-13
6677758 Multiplex voltage measurement apparatus Ichiro Maki 2004-01-13
6664761 Battery voltage detection device Naohisa Morimoto 2003-12-16
6639408 Battery voltage measurement device Ichiro Maki, Naohisa Morimoto 2003-10-28
6639409 Battery voltage measurement device Naohisa Morimoto, Ichiro Maki 2003-10-28
6570387 Multiplex voltage measurement apparatus Ichiro Maki 2003-05-27
6462550 Battery voltage detection apparatus and detection method 2002-10-08