OT

Osamu Tadanaga

NT NTT: 28 patents #66 of 4,871Top 2%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
NE Ntt Electronics: 1 patents #160 of 358Top 45%
Overall (All Time): #135,214 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
6846685 Vertical-cavity surface-emitting semiconductor laser Hiroyuki Uenohara, Kouta Tateno, Toshiaki Kagawa, Chikara Amano, Takashi Kurokawa 2005-01-25
6806986 Wavelength converter and wavelength converting apparatus Masaki Asobe, Hiroshi Miyazawa, Yoshiki Nishida, Hiroyuki Suzuki 2004-10-19
6549553 Vertical-cavity surface-emitting semiconductor laser Hiroyuki Uenohara, Kouta Tateno, Toshiaki Kagawa, Chikara Amano, Takashi Kurokawa 2003-04-15