MY

Masayuki Yasumura

SO Sony: 62 patents #310 of 25,231Top 2%
Overall (All Time): #36,063 of 4,157,543Top 1%
63
Patents All Time

Issued Patents All Time

Showing 1–25 of 63 patents

Patent #TitleCo-InventorsDate
7656686 Switching power supply circuit 2010-02-02
7447048 Switching power supply circuit 2008-11-04
7423887 Switching power supply circuit 2008-09-09
7388760 Switching power supply circuit 2008-06-17
7388762 Switching power supply circuit 2008-06-17
7339801 Switching power supply circuit 2008-03-04
7310249 Switching power supply circuit 2007-12-18
7301785 Switching power supply circuit 2007-11-27
7298634 Switching power supply circuit 2007-11-20
7298633 Switching power supply circuit 2007-11-20
7285875 Resonant converter with outputs of different polarities 2007-10-23
7286374 Switching power supply circuit 2007-10-23
7242595 Switching power supply circuit 2007-07-10
7218534 Switching power supply circuit 2007-05-15
7209369 Switching power supply circuit 2007-04-24
7193868 Switching power supply circuit 2007-03-20
7170761 Switching power supply circuit 2007-01-30
7167384 Switching power circuit 2007-01-23
7158389 Switching power supply circuit 2007-01-02
7145785 Switching power supply circuit 2006-12-05
7110268 Switching power supply circuit 2006-09-19
7095629 Switching power supply circuit 2006-08-22
7054167 Switching power supply circuit 2006-05-30
6956749 Switching power supply circuit 2005-10-18
6839245 Switching power supply circuit 2005-01-04