YY

Yukio Yamanaka

PA Panasonic: 4 patents #6,180 of 21,108Top 30%
SC Stanley Electric Co.: 2 patents #339 of 1,072Top 35%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
Overall (All Time): #747,317 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8337062 LED lighting unit and vehicle lamp Hidemi Tanaka, Kunihiko Seki 2012-12-25
7159785 Core piece and non-contact communication type information carrier using the core piece Saburo Takano 2007-01-09
6943502 Electronic ballast for a discharge lamp Nobukazu Miki, Tadahiro Kono, Toshihiro Nishida, Yoshikazu Kado 2005-09-13
5517399 Power supply having a chopper with an improved power factor Tokushi Yamauchi, Masahiro Yamanaka, Kazuhiro Nishimoto 1996-05-14
5406471 AC-to-DC converter incorporating a chopper and charge-pump circuit combination 1995-04-11
5182702 Inverter device Akinori Hiramatsu, Futoshi Okamoto, Hiroshi Kido, Hiroyuki Sako, Koji Yamada 1993-01-26
4682072 Headlamp for vehicle Takeo Ichihara, Akihiko Tsurumaru 1987-07-21