TO

Takafumi Ohtsuka

Sumitomo Electric Industries: 4 patents #41 of 570Top 8%
Overall (2016): #33,853 of 481,213Top 8%
4
Patents 2016

Issued Patents 2016

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9482822 Wavelength selector switch Masaki Suzuki, Hidehisa Tazawa, Takeshi Inoue 2016-11-01
9372311 Wavelength selective switch Hidehisa Tazawa, Kenichiro Takahashi, Manabu Shiozaki, Masaki Suzuki 2016-06-21
9326050 Wavelength selective switch and method of manufacturing same Masaki Suzuki, Takeshi Inoue 2016-04-26
9277301 Optical unit and optical device 2016-03-01