Inventor · disambiguated record
Akitomo Oba
Also filed as: OBA AKITOMO
3 granted patents·1 pending application·53 citations·filing 1994–2011
74Inventor score
Files withNEC CORP4
Top patents by PatentIndex Score
4 records- 0176US5659531AOptical head device and birefringent diffraction grating polarizer and polarizing hologram element used thereinNEC CORP·Filed 1996·Granted Aug 19, 1997·24 cites·4 claims
- 0268US5535055AOptical head device and birefringent diffraction grating polarizer and polarizing hologram element used thereinNEC CORP·Filed 1994·Granted Jul 9, 1996·14 cites·2 claims
- 0365US5883741AOptical head device and birefringent diffraction grating polarizer and polarizing hologram element used thereinNEC CORP·Filed 1997·Granted Mar 16, 1999·15 cites·11 claims
- 0435US2013027342A1Pointed position determination apparatus of touch panel, touch panel apparatus, electronics apparatus including the same, method of determining pointed position on touch panel, and computer program storage mediumNEC CORP·Filed 2011·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →