TO

Takahiko Oohara

Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
NT NTT: 2 patents #2,095 of 4,871Top 45%
Overall (All Time): #2,310,716 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5145793 Manufacturing a gallium arsenide solar cell on a silicon substrate Yoshiro Ohmachi, Yoshiaki Kadota, Kotaro Mitsui, Nobuyoshi Ogasawara, Takashi Nishimura 1992-09-08
5131956 Photovoltaic semiconductor device Masaaki Usui, Nobuyoshi Ogasawara, Kotaro Mitsui 1992-07-21