Inventor

OHTANI KEITA

JP3 patents

⚠️ This page may combine multiple inventors who share the name “OHTANI KEITA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV TOHOKU

2 patents

US6703645B2Mar 9, 2004

Spin filter

UNIV TOHOKU45 citations90

US6476411B1Nov 5, 2002

Intersubband light emitting element

UNIV TOHOKU27 citations90

JAPAN SCIENCE & TECH AGENCY

1 patent

US6812483B2Nov 2, 2004

Optical semiconductor element utilizing optical transition between ZnO heterostructure sub-bands

JAPAN SCIENCE & TECH AGENCY8 citations72