KO

Keita Ohtani

TU Tohoku University: 2 patents #330 of 1,680Top 20%
JA Japan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
Overall (All Time): #1,603,028 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6812483 Optical semiconductor element utilizing optical transition between ZnO heterostructure sub-bands Hideo Ohno, Masashi Kawasaki 2004-11-02
6703645 Spin filter Hideo Ohno 2004-03-09
6476411 Intersubband light emitting element Hideo Ohno 2002-11-05