GS

Gaku Sugahara

Sumitomo Electric Industries: 8 patents #30 of 3,632Top 1%
📍 Nara, JP: #2 of 307 inventorsTop 1%
Overall (2005): #2,159 of 245,428Top 1%
8
Patents 2005

Issued Patents 2005

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6977186 Method for manufacturing semiconductor laser optical device Yoshiaki Hasegawa, Ryoko Miyanaga 2005-12-20
6958493 Method for fabricating semiconductor light emitting device Yoshiaki Hasegawa, Toshitaka Shimamoto 2005-10-25
6927149 Nitride semiconductor device and fabrication method thereof, and method for forming nitride semiconductor substrate Yasutoshi Kawaguchi, Akihiko Ishibashi, Toshiya Yokogawa, Atsushi Matsubara 2005-08-09
6921678 Method for fabricating nitride semiconductor, method for fabricating nitride semiconductor device, and nitride semiconductor device Akihiko Ishibashi, Ayumu Tsujimura, Yoshiaki Hasegawa, Nobuyuki Otsuka, Ryoko Miyanaga +4 more 2005-07-26
6911351 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, Akihiko Ishibashi, Ryoko Miyanaga, Masakatsu Suzuki, Masahiro Kume +4 more 2005-06-28
6884648 Method for fabricating semiconductor light emitting device Yoshiaki Hasegawa, Toshitaka Shimamoto 2005-04-26
6861316 Semiconductor device and method for fabricating the same Yoshihiro Hara, Akira Asai, Haruyuki Sorada, Teruhito Ohnishi 2005-03-01
6855571 Method of producing GaN-based semiconductor laser device and semiconductor substrate used therefor Atsushi Yamada, Akihiko Ishibashi, Toshiya Yokogawa 2005-02-15