SY

Shigeharu Yamashita

Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
FD Fdk: 1 patents #147 of 324Top 50%
FD Fujitsu Denso: 1 patents #15 of 34Top 45%
Overall (All Time): #997,299 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9287783 Power supply device Tsunehiro Ohno, Kazuomi Watanabe 2016-03-15
7236381 Current balancing circuit Tsunehiro Ohno, Kazuhiko Itakura 2007-06-26
6169675 DC/DC converter with improved operation of plural parallel synchronous rectifiers Hiroshi Shimamori, Kazutoshi Fuchigami 2001-01-02
6040987 DC-DC converter unit Kenji Kudo, Kohji Kuwabara, Kazutoshi Fuchigami, Norikazu Katsuyama 2000-03-21
5726869 Synchronous rectifier type DC-to-DC converter in which a saturable inductive device is connected in series with a secondary-side switching device Kazutoshi Fuchigami, Tetsuya Yamamoto, Shinichi Otsu, Hiroshi Shimamori, Sentarou Tokimi 1998-03-10