AI

Akihiko Ishibashi

Sumitomo Electric Industries: 4 patents #212 of 4,178Top 6%
Overall (2004): #17,199 of 270,089Top 7%
4
Patents 2004

Issued Patents 2004

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6806109 Method of fabricating nitride based semiconductor substrate and method of fabricating nitride based semiconductor device Hiroyuki Furuya, Toshiya Yokogawa, Yoshiaki Hasegawa 2004-10-19
6777253 Method for fabricating semiconductor, method for fabricating semiconductor substrate, and semiconductor light emitting device Ayumu Tsujimura, Yasutoshi Kawaguchi, Nobuyuki Otsuka, Kiyoshi Ohnaka 2004-08-17
6764871 Method for fabricating a nitride semiconductor device Yasutoshi Kawaguchi, Ayumu Tsujimura 2004-07-20
6720586 Method of fabricating nitride semiconductor, method of fabricating nitride semiconductor device, nitride semiconductor device, semiconductor light emitting device and method of fabricating the same Isao Kidoguchi, Ryoko Miyanaga, Gaku Sugahara, Masakatsu Suzuki, Masahiro Kume +4 more 2004-04-13