RT

Ryo Tokumaru

SL Semiconductor Energy Laboratory: 33 patents #273 of 1,113Top 25%
Overall (All Time): #105,817 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
8916425 Method for forming microcrystalline semiconductor film and method for manufacturing semiconductor device Ryota Tajima, Tetsuhiro Tanaka, Takashi Ohtsuki, Yuji Egi, Erika Kato +1 more 2014-12-23
8828859 Method for forming semiconductor film and method for manufacturing semiconductor device Tetsuhiro Tanaka, Takashi Ohtsuki, Ryota Tajima, Erika Kato 2014-09-09
8629445 Semiconductor device, manufacturing method thereof, and electronic appliance Tetsuhiro Tanaka 2014-01-14
8557687 Method for forming microcrystalline semiconductor film and method for manufacturing thin film transistor Ryota Tajima, Tetsuhiro Tanaka, Hidekazu Miyairi, Mitsuhiro Ichijo, Taichi Nozawa 2013-10-15
8476638 Plasma CVD apparatus Satoshi Toriumi, Ryota Tajima, Takashi Ohtsuki, Tetsuhiro Tanaka, Mitsuhiro Ichijo +4 more 2013-07-02
8252669 Method for manufacturing microcrystalline semiconductor film by plasma CVD apparatus Satoshi Toriumi, Ryota Tajima, Takashi Ohtsuki, Tetsuhiro Tanaka, Mitsuhiro Ichijo +4 more 2012-08-28
8158517 Method for manufacturing wiring substrate, thin film transistor, display device and television device Hiroko Yamamoto 2012-04-17
7777232 Display device and electronic device using the same Masahiko Hayakawa, Shuhei YOSHITOMI 2010-08-17