YK

Yosuke Kawakubo

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
Overall (All Time): #859,097 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
RE43946 Digital control switching power-supply device and information processing equipment Takashi Sase 2013-01-29
7990122 Digital control switching power-supply device and information processing equipment Takashi Sase 2011-08-02
7615980 Marginal check voltage setting means built-in power-supply device Takashi Sase, Akihiko Kanouda 2009-11-10
7557461 Power supply device and power supply method Tetsuya Inoue, Masahiro Sone, Hiroshi Suzuki 2009-07-07
7403365 Over-current detection circuit and method for power-supply device Takashi Sase, Akihiko Kanouda, Kozaburo Kurita 2008-07-22
7089435 Storage unit having normal and backup power sources for use in retaining data when normal power fails 2006-08-08