KS

Koji Sonobe

FC Fuji Electric Co.: 14 patents #204 of 2,643Top 8%
MC Mean Well Enterprises Co.: 1 patents #1 of 8Top 15%
Overall (All Time): #344,089 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
11411498 Controller of switching power supply apparatus 2022-08-09
11005373 Switching power supply control circuit with bottom point detection Yu-Wei Chung 2021-05-11
10512137 LED drive circuit 2019-12-17
10277134 Switching power supply device 2019-04-30
9627977 Quasi-resonant switching power supply 2017-04-18
9461115 Junction field effect transistor, integrated circuit for switching power supply, and switching power supply Masaru Saito 2016-10-04
8879281 Switching power source device 2014-11-04
8411469 Switching power source device and switching power source control circuit Jian Chen 2013-04-02
8283705 Junction field effect transistor, integrated circuit for switching power supply, and switching power supply Masaru Saito 2012-10-09
8243473 Switching power supply device and switching power supply control circuit Jian Chen 2012-08-14
8098501 Switching power supply control circuit 2012-01-17
7982248 Junction field effect transistor, integrated circuit for switching power supply, and switching power supply Masaru Saito 2011-07-19
7948780 Semiconductor device for switching power supply control, startup circuit, and startup method for switching power supply device 2011-05-24
7859860 Switching power source device, switching power source control circuit, and switching power source device control method Jian Chen 2010-12-28