Inventor · disambiguated record
Keita Ohtani
Also filed as: OHTANI KEITA
3 granted patents·80 citations·filing 2000–2002
73Inventor score
Top patents by PatentIndex Score
3 records- 0189US6703645B2Spin filterUNIV TOHOKU·Filed 2002·Granted Mar 9, 2004·45 cites·17 claims
- 0273US6476411B1Intersubband light emitting elementUNIV TOHOKU·Filed 2000·Granted Nov 5, 2002·27 cites·12 claims
- 0356US6812483B2Optical semiconductor element utilizing optical transition between ZnO heterostructure sub-bandsJAPAN SCIENCE & TECH AGENCY·Filed 2002·Granted Nov 2, 2004·8 cites·8 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →