YM

Yasuhiro Murai

Tdk: 5 patents #1,099 of 3,796Top 30%
HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
NA Nachi-Fujikoshi: 1 patents #16 of 136Top 15%
Overall (All Time): #733,310 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9788410 Printed circuit board and power supply device Tomohiko Uchiyama 2017-10-10
7638564 Low dielectric loss tangent-resin varnish, prepreg, laminated sheet, and printed wiring board using the varnish Satoru Amou, Haruo Akahoshi, Yoshihiro Nakamura, Nobuyuki Minami 2009-12-29
7313003 Switching power supply unit Wataru Nakahori 2007-12-25
6598453 Tooth rolling flat dies and method for forming teeth Takahiro Kumagai, Soiti Kakutani, Masaru Sumitani 2003-07-29
6567285 Switching power supply unit Hisanori Cho, Masahiko Hirokawa 2003-05-20
6532160 Switching power supply Masahiko Hirokawa, Tomomi Yamada 2003-03-11
5909107 Step up switching power unit and filter circuit Kenichi Aonuma 1999-06-01