KM

Ken Matsuura

Tdk: 28 patents #152 of 3,796Top 5%
Overall (All Time): #131,159 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
6956360 Switching power supply controller and switching power supply Takeshi Uematsu, Hiroshi Kawasaki, Takakazu Imai, Koichiro Miura 2005-10-18
6717390 Switching power supply Hiroshi Miyazaki, Masahiko Hirokawa 2004-04-06
6683798 Switching power supply with transfer function control circuit Hiroshi Miyazaki, Masahiko Hirokawa 2004-01-27
6511007 Double-bearing type reel 2003-01-28